"考古学" meaning in Japanese

{
  "forms": [
    {
      "form": "考古学",
      "ruby": [
        [
          "考",
          "こう"
        ],
        [
          "古",
          "こ"
        ],
        [
          "学",
          "がく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kōkogaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "kaukogaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "かうこがく",
      "roman": "kaukogaku",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "こうこがく",
        "hhira": "かうこがく"
      },
      "expansion": "考(こう)古(こ)学(がく) • (kōkogaku) ^(←かうこがく (kaukogaku)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 3 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "ja",
          "name": "Archaeology",
          "orig": "ja:Archaeology",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "archaeology"
      ],
      "id": "en-考古学-ja-noun-7YLnmx3y",
      "links": [
        [
          "archaeology",
          "archaeology"
        ]
      ],
      "wikipedia": [
        "ja:考古学"
      ]
    }
  ],
  "sounds": [
    {
      "other": "こーこがく"
    },
    {
      "ipa": "[ko̞ːko̞ɡa̠kɯ̟]"
    }
  ],
  "word": "考古学"
}

{
  "forms": [
    {
      "form": "考古学",
      "ruby": [
        [
          "考",
          "こう"
        ],
        [
          "古",
          "こ"
        ],
        [
          "学",
          "がく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kōkogaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "kaukogaku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "かうこがく",
      "roman": "kaukogaku",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "こうこがく",
        "hhira": "かうこがく"
      },
      "expansion": "考(こう)古(こ)学(がく) • (kōkogaku) ^(←かうこがく (kaukogaku)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with 3 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Pages with 2 entries",
        "Pages with entries",
        "ja:Archaeology"
      ],
      "glosses": [
        "archaeology"
      ],
      "links": [
        [
          "archaeology",
          "archaeology"
        ]
      ],
      "wikipedia": [
        "ja:考古学"
      ]
    }
  ],
  "sounds": [
    {
      "other": "こーこがく"
    },
    {
      "ipa": "[ko̞ːko̞ɡa̠kɯ̟]"
    }
  ],
  "word": "考古学"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "考古学"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "考古学",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "考古学"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "考古学",
  "trace": ""
}