"同一" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "zh",
        "3": "同一",
        "lit": "same + one",
        "sort": "とういつ'",
        "tr": "duwng + ʔjit"
      },
      "expansion": "Chinese 同一 (duwng + ʔjit, literally “same + one”)",
      "name": "bor"
    }
  ],
  "etymology_text": "From Chinese 同一 (duwng + ʔjit, literally “same + one”).",
  "forms": [
    {
      "form": "同一",
      "ruby": [
        [
          "同",
          "どう"
        ],
        [
          "一",
          "いつ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "dōitsu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "どういつ"
      },
      "expansion": "同(どう)一(いつ) • (dōitsu)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Chinese terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "english": "identity",
          "roman": "dōitsusei",
          "ruby": [
            [
              "同一性",
              "どういつせい"
            ]
          ],
          "word": "同一性"
        }
      ],
      "examples": [
        {
          "english": "theory that [two people] are actually the same person",
          "roman": "dōitsu jinbutsu-setsu",
          "ruby": [
            [
              "同一",
              "どういつ"
            ],
            [
              "人物説",
              "じんぶつせつ"
            ]
          ],
          "text": "同一人物説",
          "type": "example"
        }
      ],
      "glosses": [
        "identity, sameness"
      ],
      "id": "en-同一-ja-noun-Hb3bwVzX",
      "links": [
        [
          "identity",
          "identity"
        ],
        [
          "sameness",
          "sameness"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "どーいつ"
    },
    {
      "ipa": "[do̞ːit͡sɨ]"
    }
  ],
  "word": "同一"
}

{
  "derived": [
    {
      "english": "identity",
      "roman": "dōitsusei",
      "ruby": [
        [
          "同一性",
          "どういつせい"
        ]
      ],
      "word": "同一性"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "zh",
        "3": "同一",
        "lit": "same + one",
        "sort": "とういつ'",
        "tr": "duwng + ʔjit"
      },
      "expansion": "Chinese 同一 (duwng + ʔjit, literally “same + one”)",
      "name": "bor"
    }
  ],
  "etymology_text": "From Chinese 同一 (duwng + ʔjit, literally “same + one”).",
  "forms": [
    {
      "form": "同一",
      "ruby": [
        [
          "同",
          "どう"
        ],
        [
          "一",
          "いつ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "dōitsu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "どういつ"
      },
      "expansion": "同(どう)一(いつ) • (dōitsu)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Chinese terms with non-redundant manual transliterations",
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms borrowed from Chinese",
        "Japanese terms derived from Chinese",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms with usage examples",
        "Pages with 4 entries",
        "Pages with entries"
      ],
      "examples": [
        {
          "english": "theory that [two people] are actually the same person",
          "roman": "dōitsu jinbutsu-setsu",
          "ruby": [
            [
              "同一",
              "どういつ"
            ],
            [
              "人物説",
              "じんぶつせつ"
            ]
          ],
          "text": "同一人物説",
          "type": "example"
        }
      ],
      "glosses": [
        "identity, sameness"
      ],
      "links": [
        [
          "identity",
          "identity"
        ],
        [
          "sameness",
          "sameness"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "どーいつ"
    },
    {
      "ipa": "[do̞ːit͡sɨ]"
    }
  ],
  "word": "同一"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "同一"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "同一",
  "trace": ""
}