"東歐" meaning in Japanese

{
  "forms": [
    {
      "form": "東歐",
      "ruby": [
        [
          "東",
          "とう"
        ],
        [
          "歐",
          "おう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Tōō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "とうおう"
      },
      "expansion": "東(とう)歐(おう) • (Tōō)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese kyūjitai spellings",
          "parents": [],
          "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 redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "Eastern Europe",
          "word": "東欧"
        }
      ],
      "glosses": [
        "Kyūjitai form of 東欧 (“Eastern Europe”)"
      ],
      "id": "en-東歐-ja-name-u~2fnQ1O",
      "links": [
        [
          "Kyūjitai",
          "kyūjitai"
        ],
        [
          "東欧",
          "東欧#Japanese"
        ],
        [
          "Eastern Europe",
          "Eastern Europe"
        ]
      ],
      "tags": [
        "form-of",
        "kyūjitai"
      ]
    }
  ],
  "word": "東歐"
}

{
  "forms": [
    {
      "form": "東歐",
      "ruby": [
        [
          "東",
          "とう"
        ],
        [
          "歐",
          "おう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "Tōō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "proper",
        "2": "とうおう"
      },
      "expansion": "東(とう)歐(おう) • (Tōō)",
      "name": "ja-pos"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese kyūjitai spellings",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese proper nouns",
        "Japanese terms spelled with hyōgaiji kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with two Han script characters"
      ],
      "form_of": [
        {
          "extra": "Eastern Europe",
          "word": "東欧"
        }
      ],
      "glosses": [
        "Kyūjitai form of 東欧 (“Eastern Europe”)"
      ],
      "links": [
        [
          "Kyūjitai",
          "kyūjitai"
        ],
        [
          "東欧",
          "東欧#Japanese"
        ],
        [
          "Eastern Europe",
          "Eastern Europe"
        ]
      ],
      "tags": [
        "form-of",
        "kyūjitai"
      ]
    }
  ],
  "word": "東歐"
}

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