{
  "id": "LB-en-acumen-027",
  "slug": "acumen",
  "title": {
    "en": "ACUMEN · 敏锐的判断力／洞察力",
    "zh-Hans": "ACUMEN · 敏锐的判断力／洞察力"
  },
  "languages": [
    {
      "role": "source",
      "code": "en",
      "name": "English",
      "word": "acumen",
      "pronunciation": "not recorded",
      "part_of_speech": "noun · 名词"
    },
    {
      "role": "standard-translation",
      "code": "zh-Hans",
      "name": "Chinese",
      "word": "敏锐／洞察力",
      "pronunciation": "mǐnruì / dòngchálì"
    }
  ],
  "primary_mapping": {
    "mapping_id": "MAP-acumen-primary",
    "source": {
      "language": "English",
      "word": "acumen",
      "pronunciation": "not recorded"
    },
    "target": {
      "language": "Chinese",
      "word": "洞察力／敏锐的判断力",
      "pronunciation": "mǐnruì / dòngchálì"
    },
    "gloss": {
      "en": "keenness and depth of perception, discernment or judgment",
      "zh-Hans": "敏锐而深入的洞察、辨别或判断能力"
    },
    "meaning": {
      "en": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
      "zh-Hans": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
    },
    "mapping_type": "Standard / Modern Semantic Mapping; Featured independently selected",
    "rationale": {
      "en": "Ordinary meaning is primary; word history, sound comparison, cognition and speculation are evaluated on separate tracks.",
      "zh-Hans": "普通词义为主；词史、声音比较、认知与推测分轨评价。"
    }
  },
  "entry_status": "Reviewed",
  "mapping_status": "Reviewed",
  "mapping_level": "Unrated",
  "historical_relation_status": "Not claimed",
  "evidence": {
    "Historical": {
      "status": "Established",
      "confidence": "High",
      "summary": {
        "en": "Acumen is Latin for ‘point, sharpness’, from acuere ‘to sharpen’. The letters cum do not form a morpheme meaning gather in this word.",
        "zh-Hans": "acumen 来自拉丁语“尖端、敏锐”，源于 acuere“使锋利”；其中字母 cum 并不是表示“聚集”的语素。"
      },
      "items": [
        {
          "evidence_id": "HIST-ACUMEN-001",
          "claim": {
            "en": "Acumen is Latin for ‘point, sharpness’, from acuere ‘to sharpen’. The letters cum do not form a morpheme meaning gather in this word.",
            "zh-Hans": "acumen 来自拉丁语“尖端、敏锐”，源于 acuere“使锋利”；其中字母 cum 并不是表示“聚集”的语素。"
          },
          "status": "Established",
          "confidence": "High",
          "source_refs": [
            "REF-MW-ACUMEN"
          ]
        }
      ],
      "source_refs": [
        "REF-MW-ACUMEN"
      ]
    },
    "Phonetic-Semantic": {
      "status": "Candidate",
      "confidence": "Low",
      "summary": {
        "en": "cum and 聚 jù do not closely match in ordinary pronunciation and no historical relation is established.",
        "zh-Hans": "cum 与“聚”jù 的通常读音并不紧密对应，也无已证历史关系。"
      },
      "items": [
        {
          "evidence_id": "PHONSEM-ACUMEN-001",
          "claim": {
            "en": "cum and 聚 jù do not closely match in ordinary pronunciation and no historical relation is established.",
            "zh-Hans": "cum 与“聚”jù 的通常读音并不紧密对应，也无已证历史关系。"
          },
          "status": "Candidate",
          "confidence": "Low",
          "source_refs": [
            "REF-LANGUAGESBOOK-ACUMEN",
            "REF-MW-ACUMEN"
          ]
        }
      ],
      "source_refs": [
        "REF-LANGUAGESBOOK-ACUMEN",
        "REF-MW-ACUMEN"
      ]
    },
    "Cognitive": {
      "status": "Interpretive",
      "confidence": "Medium",
      "summary": {
        "en": "SHARP POINT → KEEN PERCEPTION is the documented semantic development; gathering clues is a separate mnemonic.",
        "zh-Hans": "尖端／锋利 → 敏锐洞察是有文献的语义发展；“聚集线索”只是另一个记忆联想。"
      },
      "items": [
        {
          "evidence_id": "COG-ACUMEN-001",
          "claim": {
            "en": "SHARP POINT → KEEN PERCEPTION is the documented semantic development; gathering clues is a separate mnemonic.",
            "zh-Hans": "尖端／锋利 → 敏锐洞察是有文献的语义发展；“聚集线索”只是另一个记忆联想。"
          },
          "status": "Interpretive",
          "confidence": "Medium",
          "source_refs": [
            "REF-LANGUAGESBOOK-ACUMEN"
          ]
        }
      ],
      "source_refs": [
        "REF-LANGUAGESBOOK-ACUMEN"
      ]
    },
    "Speculative": {
      "status": "Unestablished",
      "confidence": "High",
      "summary": {
        "en": "The proposed a/cum/en segmentation is not the word’s historical morphology.",
        "zh-Hans": "所提 a／cum／en 切分不是该词的历史形态结构。"
      },
      "items": [
        {
          "evidence_id": "SPEC-ACUMEN-001",
          "claim": {
            "en": "The proposed a/cum/en segmentation is not the word’s historical morphology.",
            "zh-Hans": "所提 a／cum／en 切分不是该词的历史形态结构。"
          },
          "status": "Unestablished",
          "confidence": "High",
          "source_refs": [
            "REF-LANGUAGESBOOK-ACUMEN",
            "REF-MW-ACUMEN"
          ]
        }
      ],
      "source_refs": [
        "REF-LANGUAGESBOOK-ACUMEN",
        "REF-MW-ACUMEN"
      ]
    }
  },
  "phonetic_observation": [
    {
      "observation_id": "PHON-ACUMEN-001",
      "claim": {
        "en": "cum and 聚 jù do not closely match in ordinary pronunciation and no historical relation is established.",
        "zh-Hans": "cum 与“聚”jù 的通常读音并不紧密对应，也无已证历史关系。"
      },
      "status": "Candidate",
      "limitations": {
        "en": "Surface resemblance is not a regular cross-language sound correspondence and does not prove cognacy.",
        "zh-Hans": "表面音近不是规律跨语言音变，也不能证明同源。"
      }
    }
  ],
  "semantic_structure": {
    "concepts": [
      "ACUMEN",
      "ACUTE",
      "ACUITY",
      "敏锐"
    ],
    "relation": "acumen → acute → acuity → 敏锐",
    "status": "Interpretive"
  },
  "related_words": [
    {
      "word": "acute",
      "language": "English",
      "relationship_type": "historical relative",
      "family": "Latin acuere/acutus",
      "relation_to_entry": {
        "en": "Documented relation in the stated historical family.",
        "zh-Hans": "在所列历史词族内有文献支持的关系。"
      },
      "status": "Established",
      "source_refs": [
        "REF-MW-ACUMEN"
      ]
    },
    {
      "word": "acuity",
      "language": "English",
      "relationship_type": "historical relative",
      "family": "Latin acuere/acuitas",
      "relation_to_entry": {
        "en": "Documented relation in the stated historical family.",
        "zh-Hans": "在所列历史词族内有文献支持的关系。"
      },
      "status": "Established",
      "source_refs": [
        "REF-MW-ACUMEN"
      ]
    },
    {
      "word": "聚 jù",
      "language": "Chinese",
      "relationship_type": "speculative comparison",
      "family": "independent Sinitic history",
      "relation_to_entry": {
        "en": "Author comparison or semantic association only; not historical derivation.",
        "zh-Hans": "仅为作者比较或语义联想；不是历史派生。"
      },
      "status": "Interpretive",
      "source_refs": [
        "REF-LANGUAGESBOOK-ACUMEN",
        "REF-MW-ACUMEN"
      ]
    }
  ],
  "semantic_associations": [
    {
      "association_id": "ASSOC-ACUMEN-001",
      "relation": "SHARP POINT → KEEN PERCEPTION is the documented semantic development; gathering clues is a separate mnemonic.",
      "status": "Interpretive",
      "is_etymological": false
    }
  ],
  "hypotheses": [
    {
      "hypothesis_id": "UNI-LEGACY-ACUMEN-001",
      "type": "Original Author Hypothesis / legacy phonetic-semantic observation",
      "claim": {
        "en": "Jinkai Liu’s original note is preserved verbatim: “acumen，敏锐。聚 ju。cum- 与聚 ju 同音。”",
        "zh-Hans": "Jinkai Liu 原始观察逐字保留：“acumen，敏锐。聚 ju。cum- 与聚 ju 同音。”"
      },
      "status": "Candidate",
      "confidence": "Low",
      "supporting_cases": [
        "acumen",
        "敏锐／洞察力"
      ],
      "counterexamples": [
        "The proposed a/cum/en segmentation is not the word’s historical morphology.",
        "No regular cross-language sound correspondence has been demonstrated."
      ],
      "testability": {
        "en": "Test phonetic similarity and semantic fit separately with blinded controls and independent historical review.",
        "zh-Hans": "以盲法对照和独立词源核验分别测试声音相似度与语义适配。"
      },
      "experiment_link": null,
      "source_refs": [
        "REF-LANGUAGESBOOK-ACUMEN",
        "REF-MW-ACUMEN"
      ]
    }
  ],
  "counterevidence": [
    {
      "counterevidence_id": "COUNTER-ACUMEN-001",
      "statement": {
        "en": "The proposed a/cum/en segmentation is not the word’s historical morphology.",
        "zh-Hans": "所提 a／cum／en 切分不是该词的历史形态结构。"
      },
      "confidence": "High",
      "source_refs": [
        "REF-LANGUAGESBOOK-ACUMEN",
        "REF-MW-ACUMEN"
      ]
    }
  ],
  "experiments": [],
  "literary_layer": {
    "status": "Preserved from legacy note",
    "is_historical_evidence": false,
    "proposition": {
      "en": "SHARP POINT → KEEN PERCEPTION is the documented semantic development; gathering clues is a separate mnemonic.",
      "zh-Hans": "尖端／锋利 → 敏锐洞察是有文献的语义发展；“聚集线索”只是另一个记忆联想。"
    },
    "essay_prose": [],
    "poem_lyrics": [],
    "translations": [],
    "archival_manuscript_media": [],
    "evidence_boundary": {
      "en": "The legacy image may be developed as literature or mnemonic, but it is not historical evidence.",
      "zh-Hans": "旧站意象可作为文学或记忆法展开，但不是历史证据。"
    }
  },
  "media": [],
  "references": [
    {
      "reference_id": "REF-LANGUAGESBOOK-ACUMEN",
      "title": "languagesbook.com legacy entry: acumen，敏锐。聚 ju。cum- 与聚 ju 同音",
      "type": "legacy author publication",
      "url": "https://languagesbook.com/glossary/a-cum-en%ef%bc%8c%e6%95%8f%e9%94%90/",
      "path": null,
      "provenance": "author-published legacy website; imported 2026-09-01; original observation preserved independently from evaluation"
    },
    {
      "reference_id": "REF-MW-ACUMEN",
      "title": "Merriam-Webster Dictionary: acumen",
      "type": "dictionary",
      "url": "https://www.merriam-webster.com/dictionary/acumen",
      "path": null,
      "provenance": "external lexicographic reference; accessed 2026-09-01"
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-01",
      "title": "Merriam-Webster · acumen",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://www.merriam-webster.com/dictionary/acumen",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-02",
      "title": "汉典 · 锐",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://zdic.net/hans/锐",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-03",
      "title": "识典古籍《汉语大词典》义项摘要 · 穎",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://www.shidianguji.com/character/穎",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-04",
      "title": "汉典 · 慧",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://zdic.net/hans/慧",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-05",
      "title": "汉典 · 快",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://zdic.net/hans/快",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-06",
      "title": "汉典 · 尖",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://zdic.net/hans/尖",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-07",
      "title": "汉典 · 聚",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://zdic.net/hans/聚",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-08",
      "title": "汉典 · 酷",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://zdic.net/hans/酷",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    },
    {
      "reference_id": "TC2-ACUMEN-SRC-09",
      "title": "Oxford Learner’s Dictionaries · acumen",
      "type": "Scoped source inherited from approved Discovery / Editorial Freeze",
      "url": "https://www.oxfordlearnersdictionaries.com/definition/english/acumen",
      "path": null,
      "provenance": "2026-09-20 approved research; Chinese print edition/page Pending; digital transcription is mediated evidence."
    }
  ],
  "author": "Jinkai Liu",
  "version": "Legacy Website Import Batch 001 / Schema v1.0",
  "dates": {
    "created": null,
    "modified": "2026-09-01",
    "published": null
  },
  "editorial_notes": [
    {
      "en": "Legacy Batch 001 disposition: Reviewed; priority 87.6/100 is editorial triage only.",
      "zh-Hans": "旧站 Batch 001 归类：Reviewed；优先分 87.6/100 仅用于编辑分流。"
    },
    {
      "en": "The proposed a/cum/en segmentation is not the word’s historical morphology.",
      "zh-Hans": "所提 a／cum／en 切分不是该词的历史形态结构。"
    },
    {
      "en": "Semantic research value ≠ phonetic match. Featured is optional; independent from evidence. 锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
      "zh-Hans": "Semantic research value ≠ phonetic match. Featured is optional; independent from evidence. 锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
    }
  ],
  "search_terms": [
    "acumen",
    "acute",
    "acuity",
    "敏锐",
    "洞察力",
    "判断力",
    "聚",
    "cum",
    "sharpness",
    "敏锐的判断力／洞察力",
    "锐",
    "颖",
    "慧",
    "快"
  ],
  "page": "words/acumen.html",
  "legacy": {
    "batch_id": "LEGACY-WEBSITE-IMPORT-BATCH-001",
    "source_url": "https://languagesbook.com/glossary/a-cum-en%ef%bc%8c%e6%95%8f%e9%94%90/",
    "additional_source_urls": [],
    "source_page": 1,
    "source_site": "languagesbook.com"
  },
  "source": {
    "type": "author-published legacy website note",
    "author": "Jinkai Liu",
    "status": "Preserved; claims independently classified above",
    "normalization": "Legacy title/body excerpt retained; punctuation normalized only where needed for readability.",
    "raw_note": "acumen，敏锐。聚 ju。cum- 与聚 ju 同音。"
  },
  "batch": {
    "batch_id": "LEGACY-WEBSITE-IMPORT-BATCH-001",
    "ordinal": 4,
    "disposition": "Reviewed",
    "priority_score": 87.6
  },
  "standard_translation": {
    "source": "acumen",
    "target": "敏锐的判断力／洞察力",
    "status": "Supported",
    "is_featured_mapping": false,
    "source_refs": [
      "TC2-ACUMEN-SRC-01"
    ]
  },
  "modern_standard_semantic_mapping": {
    "mapping_id": "MAP-acumen-primary",
    "source": {
      "language": "English",
      "word": "acumen",
      "pronunciation": "not recorded"
    },
    "target": {
      "language": "Chinese",
      "word": "洞察力／敏锐的判断力",
      "pronunciation": "mǐnruì / dòngchálì"
    },
    "gloss": {
      "en": "keenness and depth of perception, discernment or judgment",
      "zh-Hans": "敏锐而深入的洞察、辨别或判断能力"
    },
    "meaning": {
      "en": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
      "zh-Hans": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
    },
    "mapping_type": "Standard / Modern Semantic Mapping; Featured independently selected",
    "rationale": {
      "en": "Ordinary meaning is primary; word history, sound comparison, cognition and speculation are evaluated on separate tracks.",
      "zh-Hans": "普通词义为主；词史、声音比较、认知与推测分轨评价。"
    }
  },
  "diachronic_semantic_mapping": {
    "model_version": "0.1",
    "historical_stages": [
      {
        "stage_id": "AC0",
        "form": "acuere / acū-",
        "variants": [],
        "unit_kind": "lemma",
        "language": {
          "name": "Latin",
          "code": null
        },
        "period": {
          "label": "古典拉丁语；首见未核",
          "start_year": null,
          "end_year": null,
          "basis": "language_period",
          "source_refs": [
            "TC2-ACUMEN-SRC-01"
          ]
        },
        "attestation_status": "attested",
        "meaning": {
          "gloss": "SHARPEN",
          "pos": null,
          "constraints": []
        },
        "pronunciations": [],
        "relations": [],
        "source_refs": [
          "TC2-ACUMEN-SRC-01"
        ],
        "evidence_status": "mediated",
        "mapping_selection": "not_selected",
        "selection_note": "动词干；acū- 与 -men 构成名词; Chinese Mapping: Not selected"
      },
      {
        "stage_id": "AC1",
        "form": "acūmen",
        "variants": [],
        "unit_kind": "lemma",
        "language": {
          "name": "Latin",
          "code": null
        },
        "period": {
          "label": "古典拉丁语；物理义与比喻义的精确先后未核",
          "start_year": null,
          "end_year": null,
          "basis": "language_period",
          "source_refs": [
            "TC2-ACUMEN-SRC-01"
          ]
        },
        "attestation_status": "attested",
        "meaning": {
          "gloss": "尖端、锐利之物",
          "pos": null,
          "constraints": []
        },
        "pronunciations": [],
        "relations": [
          {
            "from_stage_ref": "AC0",
            "relation_type": "derivation",
            "semantic_operation": {
              "type": "derivation",
              "description": "acū- + -men; Chinese Mapping: 锐、颖；快为有限比较",
              "status": "supported"
            },
            "status": "supported",
            "source_refs": [
              "TC2-ACUMEN-SRC-01"
            ]
          }
        ],
        "source_refs": [
          "TC2-ACUMEN-SRC-01"
        ],
        "evidence_status": "mediated",
        "mapping_selection": "selected",
        "selection_note": "acū- + -men; Chinese Mapping: 锐、颖；快为有限比较"
      },
      {
        "stage_id": "AC2",
        "form": "acūmen",
        "variants": [],
        "unit_kind": "lemma",
        "language": {
          "name": "Latin",
          "code": null
        },
        "period": {
          "label": "古典拉丁语，已含心智义",
          "start_year": null,
          "end_year": null,
          "basis": "language_period",
          "source_refs": [
            "TC2-ACUMEN-SRC-01"
          ]
        },
        "attestation_status": "attested",
        "meaning": {
          "gloss": "敏锐的心智",
          "pos": null,
          "constraints": []
        },
        "pronunciations": [],
        "relations": [
          {
            "from_stage_ref": "AC1",
            "relation_type": "sense_continuation",
            "semantic_operation": {
              "type": "sense_continuation",
              "description": "Related physical and mental senses of the same Latin form; not a dated chronology. 精确先后与转义机制未冻结。",
              "status": "supported"
            },
            "status": "supported",
            "source_refs": [
              "TC2-ACUMEN-SRC-01"
            ]
          }
        ],
        "source_refs": [
          "TC2-ACUMEN-SRC-01"
        ],
        "evidence_status": "mediated",
        "mapping_selection": "selected",
        "selection_note": "同一拉丁形式的比喻义，AC1/AC2 是 sense nodes; Chinese Mapping: 锐、颖、快；慧保留"
      },
      {
        "stage_id": "AC3",
        "form": "acumen",
        "variants": [],
        "unit_kind": "lemma",
        "language": {
          "name": "English",
          "code": null
        },
        "period": {
          "label": "1579年左右起，至现代",
          "start_year": null,
          "end_year": null,
          "basis": "language_period",
          "source_refs": [
            "TC2-ACUMEN-SRC-01"
          ]
        },
        "attestation_status": "attested",
        "meaning": {
          "gloss": "洞察/审断能力",
          "pos": null,
          "constraints": []
        },
        "pronunciations": [
          {
            "pronunciation_id": "PR-AC3",
            "value": "/ˈækjəmən/; /əˈkjuːmən/",
            "notation": "source_notation",
            "phonological_layer": "Modern English",
            "period": {
              "label": "Modern reference; exact documentation date not inferred",
              "start_year": null,
              "end_year": null,
              "basis": "modern_reference",
              "source_refs": []
            },
            "variety": "Modern English",
            "system": "Existing entry transcription; see original scoped assessment",
            "status": "documented",
            "source_refs": [
              "TC2-ACUMEN-SRC-09"
            ]
          }
        ],
        "relations": [
          {
            "from_stage_ref": "AC2",
            "relation_type": "borrowing",
            "semantic_operation": {
              "type": "borrowing",
              "description": "直接借入拉丁语；不是英语先物理后心智; Chinese Mapping: 锐、快等；Featured Pending",
              "status": "supported"
            },
            "status": "supported",
            "source_refs": [
              "TC2-ACUMEN-SRC-01"
            ]
          }
        ],
        "source_refs": [
          "TC2-ACUMEN-SRC-01"
        ],
        "evidence_status": "mediated",
        "mapping_selection": "selected",
        "selection_note": "直接借入拉丁语；不是英语先物理后心智; Chinese Mapping: 锐、快等；Featured Pending"
      }
    ],
    "mappings": [
      {
        "stage_mapping_id": "SM-AC1",
        "stage_ref": "AC1",
        "selection_reasons": [
          "explanatory_value"
        ],
        "freeze": {
          "version": "0.1",
          "meaning_note": "尖端、锐利之物",
          "excluded_senses": [
            "No transfer of a different stage’s meaning or pronunciation"
          ],
          "status": "editor_reviewed"
        },
        "search": {
          "status": "candidates_recorded",
          "scope": {
            "lexical_layers": [
              "Historical character sense",
              "Modern Mandarin"
            ],
            "phonological_layers": [
              "Existing documented reference pronunciations only"
            ],
            "semantic_seeds": [
              "尖端、锐利之物"
            ],
            "consonant_hypotheses": [],
            "note": "Bounded migration of existing candidate inventory; not a new Discovery Work search."
          },
          "run_refs": [],
          "stop_reason": "Existing review retained. No forced Chinese winner; unresolved evidence remains Pending."
        },
        "candidates": [
          {
            "candidate_id": "TC2-ACUMEN-02",
            "family_key": "legacy-acumen",
            "target": {
              "form": "颖",
              "lexical_layer": "Historical character sense",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "古汉语义项；首见年代未冻结；读音为现代普通话",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "尖端；才智出众",
                "pos": null,
                "constraints": [
                  "中文演变顺序及首见书证尚未冻结；不能把现代音充古音"
                ]
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-02",
                  "value": "yǐng",
                  "notation": "pinyin",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-03"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-03"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC1",
              "source_pronunciation_ref": null,
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-02",
              "source_span": "acūmen",
              "scope": "semantic_only",
              "hypothesis": {
                "group": null,
                "hit": false,
                "position": "组外",
                "version": "Protocol v0.2: generation only; no scoring bonus"
              }
            },
            "role": "candidate",
            "decision": "shortlisted",
            "semantic_fit": {
              "fit": "direct",
              "confidence": "Medium",
              "rationale": "强：尖端→才智的比喻结构；聪颖不全等于实际判断力",
              "source_refs": [
                "TC2-ACUMEN-SRC-01",
                "TC2-ACUMEN-SRC-03"
              ]
            },
            "phonetic_fit": {
              "fit": "not_evaluated",
              "confidence": "Unknown",
              "rationale": "Historical pronunciation not frozen; not_evaluated. Modern reference only: 弱：无 /k/，韵母韵尾不同",
              "features": {
                "onset": "弱：无 /k/，韵母韵尾不同; historical phonetics not_evaluated; modern tone is not English stress.",
                "vowel": "弱：无 /k/，韵母韵尾不同; historical phonetics not_evaluated; modern tone is not English stress.",
                "coda_other_consonants": "弱：无 /k/，韵母韵尾不同; historical phonetics not_evaluated; modern tone is not English stress.",
                "syllables": "弱：无 /k/，韵母韵尾不同; historical phonetics not_evaluated; modern tone is not English stress.",
                "prosody": "弱：无 /k/，韵母韵尾不同; historical phonetics not_evaluated; modern tone is not English stress."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-03"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-03"
                ],
                "locator": null,
                "note": "Approved concrete online sense; mediated-HDC; print original Pending."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-03"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Mainland print original, edition/page and earliest attestation not obtained."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "中文演变顺序及首见书证尚未冻结；不能把现代音充古音",
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
            ],
            "discovery_priority": "medium",
            "decision_reason": "中文演变顺序及首见书证尚未冻结；不能把现代音充古音; 强：尖端→才智的比喻结构；聪颖不全等于实际判断力",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          },
          {
            "candidate_id": "TC2-ACUMEN-05",
            "family_key": "legacy-acumen",
            "target": {
              "form": "尖",
              "lexical_layer": "Modern Mandarin",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "现代普通话（本轮2026年检索），不倒推古音",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "尖端、锐利的形状",
                "pos": null,
                "constraints": [
                  "人物尖刻不是 acumen 义"
                ]
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-05",
                  "value": "jiān",
                  "notation": "pinyin",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-06"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-06"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC1",
              "source_pronunciation_ref": null,
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-05",
              "source_span": "acūmen",
              "scope": "semantic_only",
              "hypothesis": {
                "group": null,
                "hit": false,
                "position": "不把拼音 j 私自归 g-k-h",
                "version": "Protocol v0.2: generation only; no scoring bonus"
              }
            },
            "role": "meaning_control",
            "decision": "reserved",
            "semantic_fit": {
              "fit": "direct",
              "confidence": "Medium",
              "rationale": "强：物理尖锐控制；不自动指心智敏锐",
              "source_refs": [
                "TC2-ACUMEN-SRC-01",
                "TC2-ACUMEN-SRC-06"
              ]
            },
            "phonetic_fit": {
              "fit": "not_evaluated",
              "confidence": "Unknown",
              "rationale": "Historical pronunciation not frozen; not_evaluated. Modern reference only: 弱：j=[tɕ] 与 /k/ 不同；尾部不合",
              "features": {
                "onset": "弱：j=[tɕ] 与 /k/ 不同；尾部不合; historical phonetics not_evaluated; modern tone is not English stress.",
                "vowel": "弱：j=[tɕ] 与 /k/ 不同；尾部不合; historical phonetics not_evaluated; modern tone is not English stress.",
                "coda_other_consonants": "弱：j=[tɕ] 与 /k/ 不同；尾部不合; historical phonetics not_evaluated; modern tone is not English stress.",
                "syllables": "弱：j=[tɕ] 与 /k/ 不同；尾部不合; historical phonetics not_evaluated; modern tone is not English stress.",
                "prosody": "弱：j=[tɕ] 与 /k/ 不同；尾部不合; historical phonetics not_evaluated; modern tone is not English stress."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-06"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-06"
                ],
                "locator": null,
                "note": "Approved concrete online sense; online-entry; print original Pending."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-06"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Mainland print original, edition/page and earliest attestation not obtained."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "人物尖刻不是 acumen 义",
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
            ],
            "discovery_priority": "none",
            "decision_reason": "人物尖刻不是 acumen 义; 强：物理尖锐控制；不自动指心智敏锐",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          },
          {
            "candidate_id": "TC2-ACUMEN-RUI-AC1",
            "family_key": "legacy-acumen",
            "target": {
              "form": "锐",
              "lexical_layer": "Modern Mandarin",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "Modern Mandarin reference; historical attestations remain in Research",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "锋利（物理）",
                "pos": null,
                "constraints": []
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-RUI-AC1",
                  "value": "ruì",
                  "notation": "source_notation",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-02"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC1",
              "source_pronunciation_ref": null,
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-RUI-AC1",
              "source_span": "acūmen",
              "scope": "semantic_only",
              "hypothesis": {
                "group": null,
                "hit": false,
                "position": "No consonant-group claim",
                "version": "legacy hypothesis; not validated"
              }
            },
            "role": "candidate",
            "decision": "shortlisted",
            "semantic_fit": {
              "fit": "direct",
              "confidence": "Medium",
              "rationale": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
              "source_refs": [
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "phonetic_fit": {
              "fit": "not_evaluated",
              "confidence": "Unknown",
              "rationale": "Modern English acumen vs ruì: Low; different onset, vowels and syllable count. Historical pronunciation not_evaluated.",
              "features": {
                "onset": "Not separately evaluated in existing research; no new rating.",
                "vowel": "Not separately evaluated in existing research; no new rating.",
                "coda_other_consonants": "Not separately evaluated in existing research; no new rating.",
                "syllables": "Not separately evaluated in existing research; no new rating.",
                "prosody": "Not separately evaluated in existing research; no new rating."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-02"
                ],
                "locator": null,
                "note": "Existing entry’s scoped dictionary/platform evidence; original print edition audit unchanged. Migration is not new verification."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-02"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Chinese dated trajectory / original print entry Pending."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
              "Modern Chinese pronunciation is not an ancient reconstruction; resemblance does not establish descent."
            ],
            "discovery_priority": "medium",
            "decision_reason": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          }
        ],
        "review": {
          "status": "reviewed",
          "reviewer": "Jinkai Liu",
          "date": "2026-09-20",
          "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
        }
      },
      {
        "stage_mapping_id": "SM-AC2",
        "stage_ref": "AC2",
        "selection_reasons": [
          "explanatory_value"
        ],
        "freeze": {
          "version": "0.1",
          "meaning_note": "敏锐的心智",
          "excluded_senses": [
            "No transfer of a different stage’s meaning or pronunciation"
          ],
          "status": "editor_reviewed"
        },
        "search": {
          "status": "candidates_recorded",
          "scope": {
            "lexical_layers": [
              "Historical character sense"
            ],
            "phonological_layers": [
              "Existing documented reference pronunciations only"
            ],
            "semantic_seeds": [
              "敏锐的心智"
            ],
            "consonant_hypotheses": [],
            "note": "Bounded migration of existing candidate inventory; not a new Discovery Work search."
          },
          "run_refs": [],
          "stop_reason": "Existing review retained. No forced Chinese winner; unresolved evidence remains Pending."
        },
        "candidates": [
          {
            "candidate_id": "TC2-ACUMEN-01",
            "family_key": "legacy-acumen",
            "target": {
              "form": "锐",
              "lexical_layer": "Historical character sense",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "古汉语义项；首见年代未冻结；读音为现代普通话",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "锋利；敏锐、精明",
                "pos": null,
                "constraints": [
                  "义项并存不等于双方同一路径或同年代演变"
                ]
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-01",
                  "value": "ruì",
                  "notation": "pinyin",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-02"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC2",
              "source_pronunciation_ref": null,
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-01",
              "source_span": "Latin acūmen: physical and mental senses (AC1/AC2); structural comparison only",
              "scope": "semantic_only",
              "hypothesis": {
                "group": null,
                "hit": false,
                "position": "组外",
                "version": "Protocol v0.2: generation only; no scoring bonus"
              }
            },
            "role": "candidate",
            "decision": "shortlisted",
            "semantic_fit": {
              "fit": "direct",
              "confidence": "Medium",
              "rationale": "强：物理锋利及心智敏锐的结构对应",
              "source_refs": [
                "TC2-ACUMEN-SRC-01",
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "phonetic_fit": {
              "fit": "not_evaluated",
              "confidence": "Unknown",
              "rationale": "Historical pronunciation not frozen; not_evaluated. Modern reference only: 弱：ruì 不对应 /ækjəmən/ 或 /əkjuːmən/",
              "features": {
                "onset": "弱：ruì 不对应 /ækjəmən/ 或 /əkjuːmən/; historical phonetics not_evaluated; modern tone is not English stress.",
                "vowel": "弱：ruì 不对应 /ækjəmən/ 或 /əkjuːmən/; historical phonetics not_evaluated; modern tone is not English stress.",
                "coda_other_consonants": "弱：ruì 不对应 /ækjəmən/ 或 /əkjuːmən/; historical phonetics not_evaluated; modern tone is not English stress.",
                "syllables": "弱：ruì 不对应 /ækjəmən/ 或 /əkjuːmən/; historical phonetics not_evaluated; modern tone is not English stress.",
                "prosody": "弱：ruì 不对应 /ækjəmən/ 或 /əkjuːmən/; historical phonetics not_evaluated; modern tone is not English stress."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-02"
                ],
                "locator": null,
                "note": "Approved concrete online sense; online-entry; print original Pending."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-02"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Mainland print original, edition/page and earliest attestation not obtained."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "义项并存不等于双方同一路径或同年代演变",
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
            ],
            "discovery_priority": "medium",
            "decision_reason": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          }
        ],
        "review": {
          "status": "reviewed",
          "reviewer": "Jinkai Liu",
          "date": "2026-09-20",
          "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
        }
      },
      {
        "stage_mapping_id": "SM-AC3",
        "stage_ref": "AC3",
        "selection_reasons": [
          "explanatory_value",
          "phonetic_form_value"
        ],
        "freeze": {
          "version": "0.1",
          "meaning_note": "洞察/审断能力",
          "excluded_senses": [
            "No transfer of a different stage’s meaning or pronunciation"
          ],
          "status": "editor_reviewed"
        },
        "search": {
          "status": "candidates_recorded",
          "scope": {
            "lexical_layers": [
              "Modern Mandarin"
            ],
            "phonological_layers": [
              "Existing documented reference pronunciations only"
            ],
            "semantic_seeds": [
              "洞察/审断能力"
            ],
            "consonant_hypotheses": [
              "g-k-h"
            ],
            "note": "Bounded migration of existing candidate inventory; not a new Discovery Work search."
          },
          "run_refs": [],
          "stop_reason": "Existing review retained. No forced Chinese winner; unresolved evidence remains Pending."
        },
        "candidates": [
          {
            "candidate_id": "TC2-ACUMEN-03",
            "family_key": "legacy-acumen",
            "target": {
              "form": "慧",
              "lexical_layer": "Modern Mandarin",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "现代普通话（本轮2026年检索），不倒推古音",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "聪明、有才智",
                "pos": null,
                "constraints": [
                  "不是规则音变；不以组命中增加评分"
                ]
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-03",
                  "value": "huì",
                  "notation": "pinyin",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-04"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-04"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC3",
              "source_pronunciation_ref": "PR-AC3",
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-03",
              "source_span": "acumen",
              "scope": "semantic_only",
              "hypothesis": {
                "group": "g-k-h",
                "hit": true,
                "position": "g-k-h 扩展探针：现代词内 /k/→h",
                "version": "Protocol v0.2: generation only; no scoring bonus"
              }
            },
            "role": "candidate",
            "decision": "reserved",
            "semantic_fit": {
              "fit": "partial",
              "confidence": "Medium",
              "rationale": "中强：智力相近；不专指审断力",
              "source_refs": [
                "TC2-ACUMEN-SRC-01",
                "TC2-ACUMEN-SRC-04"
              ]
            },
            "phonetic_fit": {
              "fit": "weak",
              "confidence": "Low",
              "rationale": "Low / weak, modern reference only: 弱：h 常实现 [x]，与 /k/ 发音方式不同；元音及尾部不合",
              "features": {
                "onset": "弱：h 常实现 [x]，与 /k/ 发音方式不同；元音及尾部不合; historical phonetics not_evaluated; modern tone is not English stress.",
                "vowel": "弱：h 常实现 [x]，与 /k/ 发音方式不同；元音及尾部不合; historical phonetics not_evaluated; modern tone is not English stress.",
                "coda_other_consonants": "弱：h 常实现 [x]，与 /k/ 发音方式不同；元音及尾部不合; historical phonetics not_evaluated; modern tone is not English stress.",
                "syllables": "弱：h 常实现 [x]，与 /k/ 发音方式不同；元音及尾部不合; historical phonetics not_evaluated; modern tone is not English stress.",
                "prosody": "弱：h 常实现 [x]，与 /k/ 发音方式不同；元音及尾部不合; historical phonetics not_evaluated; modern tone is not English stress."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-04"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-04"
                ],
                "locator": null,
                "note": "Approved concrete online sense; online-entry; print original Pending."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-04"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Mainland print original, edition/page and earliest attestation not obtained."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "不是规则音变；不以组命中增加评分",
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
            ],
            "discovery_priority": "medium",
            "decision_reason": "不是规则音变；不以组命中增加评分; 中强：智力相近；不专指审断力",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          },
          {
            "candidate_id": "TC2-ACUMEN-04",
            "family_key": "legacy-acumen",
            "target": {
              "form": "快",
              "lexical_layer": "Modern Mandarin",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "现代普通话（本轮2026年检索），不倒推古音",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "刀刃锋利；反应灵敏",
                "pos": null,
                "constraints": [
                  "不是 acu- 的历史音译；不可把 pleasure/FAST 全部映成 acumen"
                ]
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-04",
                  "value": "kuài",
                  "notation": "pinyin",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-05"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-05"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC3",
              "source_pronunciation_ref": "PR-AC3",
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-04",
              "source_span": "acumen",
              "scope": "semantic_only",
              "hypothesis": {
                "group": null,
                "hit": false,
                "position": "k baseline；不计扩展新增",
                "version": "Protocol v0.2: generation only; no scoring bonus"
              }
            },
            "role": "candidate",
            "decision": "reserved",
            "semantic_fit": {
              "fit": "partial",
              "confidence": "Medium",
              "rationale": "中强：两义对应值得比较；速度快不保证判断准确",
              "source_refs": [
                "TC2-ACUMEN-SRC-01",
                "TC2-ACUMEN-SRC-05"
              ]
            },
            "phonetic_fit": {
              "fit": "weak",
              "confidence": "Low",
              "rationale": "Low / weak, modern reference only: 有限局部：k=[kʰ] 与英语 /k/ 有软腭塞音共同点；/uaɪ/≠/juː/，缺 /mən/；重音变体也不能消除差异",
              "features": {
                "onset": "有限局部：k=[kʰ] 与英语 /k/ 有软腭塞音共同点；/uaɪ/≠/juː/，缺 /mən/；重音变体也不能消除差异; historical phonetics not_evaluated; modern tone is not English stress.",
                "vowel": "有限局部：k=[kʰ] 与英语 /k/ 有软腭塞音共同点；/uaɪ/≠/juː/，缺 /mən/；重音变体也不能消除差异; historical phonetics not_evaluated; modern tone is not English stress.",
                "coda_other_consonants": "有限局部：k=[kʰ] 与英语 /k/ 有软腭塞音共同点；/uaɪ/≠/juː/，缺 /mən/；重音变体也不能消除差异; historical phonetics not_evaluated; modern tone is not English stress.",
                "syllables": "有限局部：k=[kʰ] 与英语 /k/ 有软腭塞音共同点；/uaɪ/≠/juː/，缺 /mən/；重音变体也不能消除差异; historical phonetics not_evaluated; modern tone is not English stress.",
                "prosody": "有限局部：k=[kʰ] 与英语 /k/ 有软腭塞音共同点；/uaɪ/≠/juː/，缺 /mən/；重音变体也不能消除差异; historical phonetics not_evaluated; modern tone is not English stress."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-05"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-05"
                ],
                "locator": null,
                "note": "Approved concrete online sense; online-entry; print original Pending."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-05"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Mainland print original, edition/page and earliest attestation not obtained."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "不是 acu- 的历史音译；不可把 pleasure/FAST 全部映成 acumen",
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
            ],
            "discovery_priority": "medium",
            "decision_reason": "Downgraded to Research-only coexisting senses; historical sharp→mental trajectory Pending; not selected for Featured.",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          },
          {
            "candidate_id": "TC2-ACUMEN-06",
            "family_key": "legacy-acumen",
            "target": {
              "form": "聚",
              "lexical_layer": "Modern Mandarin",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "现代普通话（本轮2026年检索），不倒推古音",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "聚集",
                "pos": null,
                "constraints": [
                  "acū- + -men 不等于 a/cum/en；集中注意力只是另加的认知桥"
                ]
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-06",
                  "value": "jù",
                  "notation": "pinyin",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-07"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-07"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC3",
              "source_pronunciation_ref": "PR-AC3",
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-06",
              "source_span": "acumen",
              "scope": "semantic_only",
              "hypothesis": {
                "group": null,
                "hit": false,
                "position": "旧 cum 切分不成立",
                "version": "Protocol v0.2: generation only; no scoring bonus"
              }
            },
            "role": "sound_control",
            "decision": "rejected",
            "semantic_fit": {
              "fit": "mismatch",
              "confidence": "Medium",
              "rationale": "不匹配心智敏锐",
              "source_refs": [
                "TC2-ACUMEN-SRC-01",
                "TC2-ACUMEN-SRC-07"
              ]
            },
            "phonetic_fit": {
              "fit": "weak",
              "confidence": "Low",
              "rationale": "Low / weak, modern reference only: 局部弱：j=[tɕ] 与 /k/ 不同，ü=[y]≠/juː/；后续 /mən/ 缺失",
              "features": {
                "onset": "局部弱：j=[tɕ] 与 /k/ 不同，ü=[y]≠/juː/；后续 /mən/ 缺失; historical phonetics not_evaluated; modern tone is not English stress.",
                "vowel": "局部弱：j=[tɕ] 与 /k/ 不同，ü=[y]≠/juː/；后续 /mən/ 缺失; historical phonetics not_evaluated; modern tone is not English stress.",
                "coda_other_consonants": "局部弱：j=[tɕ] 与 /k/ 不同，ü=[y]≠/juː/；后续 /mən/ 缺失; historical phonetics not_evaluated; modern tone is not English stress.",
                "syllables": "局部弱：j=[tɕ] 与 /k/ 不同，ü=[y]≠/juː/；后续 /mən/ 缺失; historical phonetics not_evaluated; modern tone is not English stress.",
                "prosody": "局部弱：j=[tɕ] 与 /k/ 不同，ü=[y]≠/juː/；后续 /mən/ 缺失; historical phonetics not_evaluated; modern tone is not English stress."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-07"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-07"
                ],
                "locator": null,
                "note": "Approved concrete online sense; online-entry; print original Pending."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-07"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Mainland print original, edition/page and earliest attestation not obtained."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "acū- + -men 不等于 a/cum/en；集中注意力只是另加的认知桥",
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
            ],
            "discovery_priority": "none",
            "decision_reason": "acū- + -men 不等于 a/cum/en；集中注意力只是另加的认知桥; 不匹配心智敏锐",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          },
          {
            "candidate_id": "TC2-ACUMEN-07",
            "family_key": "legacy-acumen",
            "target": {
              "form": "酷",
              "lexical_layer": "Modern Mandarin",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "现代普通话（本轮2026年检索），不倒推古音",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "残酷、严酷",
                "pos": null,
                "constraints": [
                  "不换成网络 cool 义营造聪明联想"
                ]
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-07",
                  "value": "kù",
                  "notation": "pinyin",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-08"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-08"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC3",
              "source_pronunciation_ref": "PR-AC3",
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-07",
              "source_span": "acumen",
              "scope": "semantic_only",
              "hypothesis": {
                "group": null,
                "hit": false,
                "position": "k baseline",
                "version": "Protocol v0.2: generation only; no scoring bonus"
              }
            },
            "role": "sound_control",
            "decision": "reserved",
            "semantic_fit": {
              "fit": "mismatch",
              "confidence": "Medium",
              "rationale": "无关",
              "source_refs": [
                "TC2-ACUMEN-SRC-01",
                "TC2-ACUMEN-SRC-08"
              ]
            },
            "phonetic_fit": {
              "fit": "weak",
              "confidence": "Low",
              "rationale": "Low / weak, modern reference only: 局部 /k,u/ 相似却语义错配；仍缺全词其他音节",
              "features": {
                "onset": "局部 /k,u/ 相似却语义错配；仍缺全词其他音节; historical phonetics not_evaluated; modern tone is not English stress.",
                "vowel": "局部 /k,u/ 相似却语义错配；仍缺全词其他音节; historical phonetics not_evaluated; modern tone is not English stress.",
                "coda_other_consonants": "局部 /k,u/ 相似却语义错配；仍缺全词其他音节; historical phonetics not_evaluated; modern tone is not English stress.",
                "syllables": "局部 /k,u/ 相似却语义错配；仍缺全词其他音节; historical phonetics not_evaluated; modern tone is not English stress.",
                "prosody": "局部 /k,u/ 相似却语义错配；仍缺全词其他音节; historical phonetics not_evaluated; modern tone is not English stress."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-08"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-08"
                ],
                "locator": null,
                "note": "Approved concrete online sense; online-entry; print original Pending."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-08"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Mainland print original, edition/page and earliest attestation not obtained."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "不换成网络 cool 义营造聪明联想",
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
            ],
            "discovery_priority": "none",
            "decision_reason": "不换成网络 cool 义营造聪明联想; 无关",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          },
          {
            "candidate_id": "TC2-ACUMEN-RUI-AC3",
            "family_key": "legacy-acumen",
            "target": {
              "form": "锐",
              "lexical_layer": "Modern Mandarin",
              "language_variety": "Modern Mandarin",
              "period": {
                "label": "Modern Mandarin reference; historical attestations remain in Research",
                "start_year": null,
                "end_year": null,
                "basis": "modern_reference",
                "source_refs": []
              },
              "meaning": {
                "gloss": "敏锐/精明（心智）",
                "pos": null,
                "constraints": []
              },
              "pronunciations": [
                {
                  "pronunciation_id": "ZH-TC2-ACUMEN-RUI-AC3",
                  "value": "ruì",
                  "notation": "source_notation",
                  "phonological_layer": "Modern Mandarin",
                  "period": {
                    "label": "Modern reference; exact documentation date not inferred",
                    "start_year": null,
                    "end_year": null,
                    "basis": "modern_reference",
                    "source_refs": []
                  },
                  "variety": "Modern Mandarin",
                  "system": "Existing entry transcription; see original scoped assessment",
                  "status": "documented",
                  "source_refs": [
                    "TC2-ACUMEN-SRC-02"
                  ]
                }
              ],
              "source_refs": [
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "comparison": {
              "source_stage_ref": "AC3",
              "source_pronunciation_ref": "PR-AC3",
              "target_pronunciation_ref": "ZH-TC2-ACUMEN-RUI-AC3",
              "source_span": "acumen",
              "scope": "semantic_only",
              "hypothesis": {
                "group": null,
                "hit": false,
                "position": "No consonant-group claim",
                "version": "legacy hypothesis; not validated"
              }
            },
            "role": "candidate",
            "decision": "shortlisted",
            "semantic_fit": {
              "fit": "direct",
              "confidence": "Medium",
              "rationale": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
              "source_refs": [
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "phonetic_fit": {
              "fit": "weak",
              "confidence": "Low",
              "rationale": "Modern English acumen vs ruì: Low; different onset, vowels and syllable count. Historical pronunciation not_evaluated.",
              "features": {
                "onset": "Not separately evaluated in existing research; no new rating.",
                "vowel": "Not separately evaluated in existing research; no new rating.",
                "coda_other_consonants": "Not separately evaluated in existing research; no new rating.",
                "syllables": "Not separately evaluated in existing research; no new rating.",
                "prosody": "Not separately evaluated in existing research; no new rating."
              },
              "source_refs": [
                "TC2-ACUMEN-SRC-02"
              ]
            },
            "evidence": [
              {
                "claim_scope": "chinese_sense",
                "status": "mediated",
                "source_refs": [
                  "TC2-ACUMEN-SRC-02"
                ],
                "locator": null,
                "note": "Existing entry’s scoped dictionary/platform evidence; original print edition audit unchanged. Migration is not new verification."
              },
              {
                "claim_scope": "comparison_inference",
                "status": "lead",
                "source_refs": [
                  "TC2-ACUMEN-SRC-02"
                ],
                "locator": null,
                "note": "Editorial comparison; previous qualitative levels and unvalidated component scores remain in original Research fields."
              },
              {
                "claim_scope": "chinese_sense",
                "status": "pending",
                "source_refs": [],
                "locator": null,
                "note": "Chinese dated trajectory / original print entry Pending."
              }
            ],
            "historical_relation": {
              "status": "Not claimed",
              "source_refs": [],
              "review_note": "No independent cross-language historical evidence introduced."
            },
            "confounds": [
              "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
              "Modern Chinese pronunciation is not an ancient reconstruction; resemblance does not establish descent."
            ],
            "discovery_priority": "medium",
            "decision_reason": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
            "review": {
              "status": "reviewed",
              "reviewer": "Jinkai Liu",
              "date": "2026-09-20",
              "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
            }
          }
        ],
        "review": {
          "status": "reviewed",
          "reviewer": "Jinkai Liu",
          "date": "2026-09-20",
          "note": "Approved Tier C Batch 2 Editorial Freeze; no new Discovery."
        }
      }
    ],
    "display_selection": {
      "featured_candidate_ref": "TC2-ACUMEN-01",
      "stage_cards": [],
      "review_status": "approved",
      "reviewer": "Jinkai Liu",
      "reason": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
    },
    "historical_path": "acuere / acū- [AC0]; acūmen [AC1]; acūmen [AC2]; acumen [AC3]",
    "semantic_path": "Related meaning nodes, not mechanically chronological: SHARPEN; 尖端、锐利之物; 敏锐的心智; 洞察/审断能力",
    "boundary": {
      "en": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
      "zh-Hans": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
    }
  },
  "featured_mapping": {
    "source": "Latin acūmen physical/mental senses (AC1/AC2)",
    "target": "锐",
    "reading": "ruì",
    "candidate_ref": "TC2-ACUMEN-01",
    "display_label": "Structural-Semantic Candidate",
    "status": "Candidate · Phonetic Fit = Low (modern reference); historical sound not_evaluated",
    "historical_relation": "Not claimed",
    "boundary": {
      "en": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
      "zh-Hans": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。"
    },
    "source_refs": [
      "TC2-ACUMEN-SRC-01"
    ]
  },
  "structural_semantic_mapping": {
    "source_stage_refs": [
      "AC1",
      "AC2"
    ],
    "chinese_candidate_ref": "TC2-ACUMEN-01",
    "fit": "High",
    "phonetic_fit": "Low",
    "phonetic_scope": "Modern acumen compared independently with ruì; see TC2-ACUMEN-RUI-AC3. Historical sound not_evaluated.",
    "claim": "Attested senses are structurally parallel; exact Chinese chronological trajectory Pending.",
    "historical_relation": "Not claimed"
  },
  "featured_mapping_status": "Candidate",
  "publication_status": "Published",
  "research_candidate_discovery": {
    "run_id": "tier-c-discovery-batch-2-2026-09-20",
    "candidates": [
      {
        "id": "ACUMEN-01",
        "entry": "ACUMEN",
        "chinese_form": "锐／銳",
        "reading": "ruì",
        "chinese_layer": "Historical character sense + modern reading",
        "approximate_period": "古汉语义项；首见年代未冻结；读音为现代普通话",
        "target_source_stage": "AC1/AC2/AC3",
        "documented_meaning": "锋利；敏锐、精明",
        "semantic_fit": "强：物理锋利及心智敏锐的结构对应",
        "phonetic_fit": "弱：ruì 不对应 /ækjəmən/ 或 /əkjuːmən/",
        "lexicographic_evidence": {
          "status": "online-entry",
          "url": "https://zdic.net/hans/锐",
          "locator": "基本解释／详细解释；不用國語辭典段充当大陆辞书",
          "paper_original": "Pending"
        },
        "consonant_group_relation": "组外",
        "counterevidence": "义项并存不等于双方同一路径或同年代演变",
        "historical_relation": "Not claimed",
        "decision": "retain",
        "discovery_priority": 1,
        "role": "candidate",
        "expansion_probe": false,
        "confidence": {
          "meaning": "moderate: 在线条目支持；原条/最早书证未核",
          "phonetic": "limited: 仅声明的现代音层",
          "cross_language_history": "not claimed"
        },
        "historical_phonetics": "not_evaluated"
      },
      {
        "id": "ACUMEN-02",
        "entry": "ACUMEN",
        "chinese_form": "颖／穎",
        "reading": "yǐng",
        "chinese_layer": "Historical character sense + modern reading",
        "approximate_period": "古汉语义项；首见年代未冻结；读音为现代普通话",
        "target_source_stage": "AC1/AC2",
        "documented_meaning": "尖端；才智出众",
        "semantic_fit": "强：尖端→才智的比喻结构；聪颖不全等于实际判断力",
        "phonetic_fit": "弱：无 /k/，韵母韵尾不同",
        "lexicographic_evidence": {
          "status": "mediated-HDC",
          "url": "https://www.shidianguji.com/character/穎",
          "locator": "汉语大词典义项摘要",
          "paper_original": "Pending"
        },
        "consonant_group_relation": "组外",
        "counterevidence": "中文演变顺序及首见书证尚未冻结；不能把现代音充古音",
        "historical_relation": "Not claimed",
        "decision": "retain",
        "discovery_priority": 1,
        "role": "candidate",
        "expansion_probe": false,
        "confidence": {
          "meaning": "moderate: 在线条目支持；原条/最早书证未核",
          "phonetic": "limited: 仅声明的现代音层",
          "cross_language_history": "not claimed"
        },
        "historical_phonetics": "not_evaluated"
      },
      {
        "id": "ACUMEN-03",
        "entry": "ACUMEN",
        "chinese_form": "慧",
        "reading": "huì",
        "chinese_layer": "Modern Mandarin",
        "approximate_period": "现代普通话（本轮2026年检索），不倒推古音",
        "target_source_stage": "AC2/AC3",
        "documented_meaning": "聪明、有才智",
        "semantic_fit": "中强：智力相近；不专指审断力",
        "phonetic_fit": "弱：h 常实现 [x]，与 /k/ 发音方式不同；元音及尾部不合",
        "lexicographic_evidence": {
          "status": "online-entry",
          "url": "https://zdic.net/hans/慧",
          "locator": "基本解释／详细解释；不用國語辭典段充当大陆辞书",
          "paper_original": "Pending"
        },
        "consonant_group_relation": "g-k-h 扩展探针：现代词内 /k/→h",
        "counterevidence": "不是规则音变；不以组命中增加评分",
        "historical_relation": "Not claimed",
        "decision": "retain-limited",
        "discovery_priority": 2,
        "role": "candidate",
        "expansion_probe": true,
        "confidence": {
          "meaning": "moderate: 在线条目支持；原条/最早书证未核",
          "phonetic": "limited: 仅声明的现代音层",
          "cross_language_history": "not claimed"
        },
        "historical_phonetics": "not_evaluated"
      },
      {
        "id": "ACUMEN-04",
        "entry": "ACUMEN",
        "chinese_form": "快",
        "reading": "kuài",
        "chinese_layer": "Modern Mandarin",
        "approximate_period": "现代普通话（本轮2026年检索），不倒推古音",
        "target_source_stage": "AC1/AC2/AC3",
        "documented_meaning": "刀刃锋利；反应灵敏",
        "semantic_fit": "中强：两义对应值得比较；速度快不保证判断准确",
        "phonetic_fit": "有限局部：k=[kʰ] 与英语 /k/ 有软腭塞音共同点；/uaɪ/≠/juː/，缺 /mən/；重音变体也不能消除差异",
        "lexicographic_evidence": {
          "status": "online-entry",
          "url": "https://zdic.net/hans/快",
          "locator": "基本解释／详细解释；不用國語辭典段充当大陆辞书",
          "paper_original": "Pending"
        },
        "consonant_group_relation": "k baseline；不计扩展新增",
        "counterevidence": "不是 acu- 的历史音译；不可把 pleasure/FAST 全部映成 acumen",
        "historical_relation": "Not claimed",
        "decision": "retain-limited",
        "discovery_priority": 1,
        "role": "candidate",
        "expansion_probe": false,
        "confidence": {
          "meaning": "moderate: 在线条目支持；原条/最早书证未核",
          "phonetic": "limited: 仅声明的现代音层",
          "cross_language_history": "not claimed"
        },
        "historical_phonetics": "not_evaluated"
      },
      {
        "id": "ACUMEN-05",
        "entry": "ACUMEN",
        "chinese_form": "尖",
        "reading": "jiān",
        "chinese_layer": "Modern Mandarin",
        "approximate_period": "现代普通话（本轮2026年检索），不倒推古音",
        "target_source_stage": "AC1",
        "documented_meaning": "尖端、锐利的形状",
        "semantic_fit": "强：物理尖锐控制；不自动指心智敏锐",
        "phonetic_fit": "弱：j=[tɕ] 与 /k/ 不同；尾部不合",
        "lexicographic_evidence": {
          "status": "online-entry",
          "url": "https://zdic.net/hans/尖",
          "locator": "基本解释／详细解释；不用國語辭典段充当大陆辞书",
          "paper_original": "Pending"
        },
        "consonant_group_relation": "不把拼音 j 私自归 g-k-h",
        "counterevidence": "人物尖刻不是 acumen 义",
        "historical_relation": "Not claimed",
        "decision": "control",
        "discovery_priority": 0,
        "role": "semantic-control",
        "expansion_probe": false,
        "confidence": {
          "meaning": "moderate: 在线条目支持；原条/最早书证未核",
          "phonetic": "limited: 仅声明的现代音层",
          "cross_language_history": "not claimed"
        },
        "historical_phonetics": "not_evaluated"
      },
      {
        "id": "ACUMEN-06",
        "entry": "ACUMEN",
        "chinese_form": "聚",
        "reading": "jù",
        "chinese_layer": "Modern Mandarin",
        "approximate_period": "现代普通话（本轮2026年检索），不倒推古音",
        "target_source_stage": "AC3",
        "documented_meaning": "聚集",
        "semantic_fit": "不匹配心智敏锐",
        "phonetic_fit": "局部弱：j=[tɕ] 与 /k/ 不同，ü=[y]≠/juː/；后续 /mən/ 缺失",
        "lexicographic_evidence": {
          "status": "online-entry",
          "url": "https://zdic.net/hans/聚",
          "locator": "基本解释／详细解释；不用國語辭典段充当大陆辞书",
          "paper_original": "Pending"
        },
        "consonant_group_relation": "旧 cum 切分不成立",
        "counterevidence": "acū- + -men 不等于 a/cum/en；集中注意力只是另加的认知桥",
        "historical_relation": "Not claimed",
        "decision": "reject",
        "discovery_priority": 0,
        "role": "legacy-negative-control",
        "expansion_probe": false,
        "confidence": {
          "meaning": "moderate: 在线条目支持；原条/最早书证未核",
          "phonetic": "limited: 仅声明的现代音层",
          "cross_language_history": "not claimed"
        },
        "historical_phonetics": "not_evaluated"
      },
      {
        "id": "ACUMEN-07",
        "entry": "ACUMEN",
        "chinese_form": "酷",
        "reading": "kù",
        "chinese_layer": "Modern Mandarin",
        "approximate_period": "现代普通话（本轮2026年检索），不倒推古音",
        "target_source_stage": "AC3",
        "documented_meaning": "残酷、严酷",
        "semantic_fit": "无关",
        "phonetic_fit": "局部 /k,u/ 相似却语义错配；仍缺全词其他音节",
        "lexicographic_evidence": {
          "status": "online-entry",
          "url": "https://zdic.net/hans/酷",
          "locator": "基本解释／详细解释；不用國語辭典段充当大陆辞书",
          "paper_original": "Pending"
        },
        "consonant_group_relation": "k baseline",
        "counterevidence": "不换成网络 cool 义营造聪明联想",
        "historical_relation": "Not claimed",
        "decision": "control",
        "discovery_priority": 0,
        "role": "sound-control",
        "expansion_probe": false,
        "confidence": {
          "meaning": "moderate: 在线条目支持；原条/最早书证未核",
          "phonetic": "limited: 仅声明的现代音层",
          "cross_language_history": "not claimed"
        },
        "historical_phonetics": "not_evaluated"
      }
    ],
    "freeze": "锐 ruì是Structural-Semantic Candidate：Latin acūmen兼有物理尖锐与心智敏锐义，锐也用于锋利与精明/敏锐。Phonetic Fit = Low（现代参照）；历史音not_evaluated。中文演变顺序仍Pending，不主张相同词义史或历史同源。",
    "note": "Original 28-row Discovery preserved; active roles in mappings reflect approved Editorial Freeze. No new candidates."
  },
  "legacy_migration": {
    "version": "tier-c-batch2-0.1",
    "baseline_commit": "e6109656fc350375a9719941f720294afb1db2b2",
    "scope": "Exact original record archive; superseded claims remain Research, not current Featured evidence.",
    "previous_fields": {
      "title": {
        "en": "acumen · Legacy Website Import",
        "zh-Hans": "acumen · 旧站导入"
      },
      "primary_mapping": {
        "mapping_id": "MAP-acumen-primary",
        "source": {
          "language": "English",
          "word": "acumen",
          "pronunciation": "not recorded"
        },
        "target": {
          "language": "Chinese",
          "word": "敏锐／洞察力",
          "pronunciation": "mǐnruì / dòngchálì"
        },
        "gloss": {
          "en": "keenness and depth of perception, discernment or judgment",
          "zh-Hans": "敏锐而深入的洞察、辨别或判断能力"
        },
        "meaning": {
          "en": "keenness and depth of perception, discernment or judgment. The standard mapping is independent from the legacy sound hypothesis.",
          "zh-Hans": "敏锐而深入的洞察、辨别或判断能力。标准词义 Mapping 与旧站声音假说独立。"
        },
        "mapping_type": "Standard lexical/semantic mapping with separately graded legacy hypothesis",
        "rationale": {
          "en": "Ordinary meaning is primary; word history, sound comparison, cognition and speculation are evaluated on separate tracks.",
          "zh-Hans": "普通词义为主；词史、声音比较、认知与推测分轨评价。"
        }
      },
      "references": [
        {
          "reference_id": "REF-LANGUAGESBOOK-ACUMEN",
          "title": "languagesbook.com legacy entry: acumen，敏锐。聚 ju。cum- 与聚 ju 同音",
          "type": "legacy author publication",
          "url": "https://languagesbook.com/glossary/a-cum-en%ef%bc%8c%e6%95%8f%e9%94%90/",
          "path": null,
          "provenance": "author-published legacy website; imported 2026-09-01; original observation preserved independently from evaluation"
        },
        {
          "reference_id": "REF-MW-ACUMEN",
          "title": "Merriam-Webster Dictionary: acumen",
          "type": "dictionary",
          "url": "https://www.merriam-webster.com/dictionary/acumen",
          "path": null,
          "provenance": "external lexicographic reference; accessed 2026-09-01"
        }
      ],
      "editorial_notes": [
        {
          "en": "Legacy Batch 001 disposition: Reviewed; priority 87.6/100 is editorial triage only.",
          "zh-Hans": "旧站 Batch 001 归类：Reviewed；优先分 87.6/100 仅用于编辑分流。"
        },
        {
          "en": "The proposed a/cum/en segmentation is not the word’s historical morphology.",
          "zh-Hans": "所提 a／cum／en 切分不是该词的历史形态结构。"
        }
      ],
      "search_terms": [
        "acumen",
        "acute",
        "acuity",
        "敏锐",
        "洞察力",
        "判断力",
        "聚",
        "cum",
        "sharpness"
      ],
      "page": null
    },
    "previously_absent_fields": [
      "standard_translation",
      "modern_standard_semantic_mapping",
      "diachronic_semantic_mapping",
      "featured_mapping",
      "structural_semantic_mapping",
      "featured_mapping_status",
      "publication_status",
      "research_candidate_discovery"
    ]
  }
}
