"文献学" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "文献",
        "3": "学",
        "sort": "ふんけんがく'",
        "t1": "literature; documents",
        "t2": "-logy; -graphy",
        "tr1": "bunken",
        "tr2": "gaku"
      },
      "expansion": "文献 (bunken, “literature; documents”) + 学 (-gaku, “-logy; -graphy”)",
      "name": "suf"
    },
    {
      "args": {
        "1": "ja",
        "2": "de",
        "3": "Philologie",
        "nocap": "y",
        "sort": "ふんけんがく'"
      },
      "expansion": "calque of German Philologie",
      "name": "cal"
    }
  ],
  "etymology_text": "文献 (bunken, “literature; documents”) + 学 (-gaku, “-logy; -graphy”), perhaps calque of German Philologie.",
  "forms": [
    {
      "form": "文献学",
      "ruby": [
        [
          "文",
          "ぶん"
        ],
        [
          "献",
          "けん"
        ],
        [
          "学",
          "がく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "bunkengaku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ぶんけんがく"
      },
      "expansion": "文(ぶん)献(けん)学(がく) • (bunkengaku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
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      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
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        },
        {
          "kind": "other",
          "name": "Japanese terms suffixed with 学",
          "parents": [],
          "source": "w"
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        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Linguistics",
          "orig": "ja:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "philology"
      ],
      "id": "en-文献学-ja-noun-37310c3d",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "philology",
          "philology"
        ]
      ],
      "raw_glosses": [
        "(linguistics) philology"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
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        "Daijisen",
        "Iwanami Shoten",
        "Kōjien",
        "Shinmura Izuru",
        "Shogakukan",
        "Tōkyō",
        "ja:大辞泉",
        "ja:広辞苑",
        "ja:文献学",
        "ja:松村明"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ぶんけんがく"
    },
    {
      "ipa": "[bɯ̟̃ᵝŋkẽ̞ŋɡa̠kɯ̟ᵝ]"
    }
  ],
  "word": "文献学"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "文献",
        "3": "学",
        "sort": "ふんけんがく'",
        "t1": "literature; documents",
        "t2": "-logy; -graphy",
        "tr1": "bunken",
        "tr2": "gaku"
      },
      "expansion": "文献 (bunken, “literature; documents”) + 学 (-gaku, “-logy; -graphy”)",
      "name": "suf"
    },
    {
      "args": {
        "1": "ja",
        "2": "de",
        "3": "Philologie",
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        "sort": "ふんけんがく'"
      },
      "expansion": "calque of German Philologie",
      "name": "cal"
    }
  ],
  "etymology_text": "文献 (bunken, “literature; documents”) + 学 (-gaku, “-logy; -graphy”), perhaps calque of German Philologie.",
  "forms": [
    {
      "form": "文献学",
      "ruby": [
        [
          "文",
          "ぶん"
        ],
        [
          "献",
          "けん"
        ],
        [
          "学",
          "がく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "bunkengaku",
      "tags": [
        "romanization"
      ]
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  ],
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      "args": {
        "1": "ぶんけんがく"
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    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
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        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
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        "Japanese terms derived from German",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms suffixed with 学",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with three Han script characters",
        "ja:Linguistics"
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      "glosses": [
        "philology"
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        [
          "linguistics",
          "linguistics"
        ],
        [
          "philology",
          "philology"
        ]
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        "(linguistics) philology"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "wikipedia": [
        "Daijisen",
        "Iwanami Shoten",
        "Kōjien",
        "Shinmura Izuru",
        "Shogakukan",
        "Tōkyō",
        "ja:大辞泉",
        "ja:広辞苑",
        "ja:文献学",
        "ja:松村明"
      ]
    }
  ],
  "sounds": [
    {
      "other": "ぶんけんがく"
    },
    {
      "ipa": "[bɯ̟̃ᵝŋkẽ̞ŋɡa̠kɯ̟ᵝ]"
    }
  ],
  "word": "文献学"
}