"Евросоюза" meaning in Russian

{
  "forms": [
    {
      "form": "Jevrosojuza",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "proper noun form"
      },
      "expansion": "Евросоюза • (Jevrosojuza)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "Jevrosojuz",
          "word": "Евросоюз"
        }
      ],
      "glosses": [
        "genitive of Евросоюз (Jevrosojuz)"
      ],
      "id": "en-Евросоюза-ru-name-k4Cm2tNt",
      "links": [
        [
          "Евросоюз",
          "Евросоюз#Russian"
        ]
      ],
      "related": [
        {
          "roman": "JeS",
          "tags": [
            "initialism"
          ],
          "word": "ЕС"
        },
        {
          "roman": "Jevropéjskij sojúz",
          "word": "Европе́йский сою́з"
        }
      ],
      "tags": [
        "form-of",
        "genitive"
      ]
    }
  ],
  "word": "Евросоюза"
}

{
  "forms": [
    {
      "form": "Jevrosojuza",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "proper noun form"
      },
      "expansion": "Евросоюза • (Jevrosojuza)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "name",
  "related": [
    {
      "roman": "JeS",
      "tags": [
        "initialism"
      ],
      "word": "ЕС"
    },
    {
      "roman": "Jevropéjskij sojúz",
      "word": "Европе́йский сою́з"
    }
  ],
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian entries with incorrect language header",
        "Russian non-lemma forms",
        "Russian proper noun forms"
      ],
      "form_of": [
        {
          "extra": "Jevrosojuz",
          "word": "Евросоюз"
        }
      ],
      "glosses": [
        "genitive of Евросоюз (Jevrosojuz)"
      ],
      "links": [
        [
          "Евросоюз",
          "Евросоюз#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "genitive"
      ]
    }
  ],
  "word": "Евросоюза"
}