"Estonujo" meaning in Esperanto

{
  "forms": [
    {
      "form": "Estonujon",
      "tags": [
        "accusative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Estonujo (accusative Estonujon)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "Es‧to‧nu‧jo"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Esperanto entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "place",
          "langcode": "eo",
          "name": "Countries in Europe",
          "orig": "eo:Countries in Europe",
          "parents": [
            "Countries",
            "Places",
            "Europe",
            "Polities",
            "Names",
            "Earth",
            "Eurasia",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Nature",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Estonia"
      ],
      "id": "en-Estonujo-eo-name-EK66aX9r",
      "links": [
        [
          "Estonia",
          "Estonia"
        ]
      ],
      "synonyms": [
        {
          "word": "Estonio"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[estoˈnujo]"
    },
    {
      "rhymes": "-ujo"
    }
  ],
  "word": "Estonujo"
}

{
  "forms": [
    {
      "form": "Estonujon",
      "tags": [
        "accusative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Estonujo (accusative Estonujon)",
      "name": "eo-head"
    }
  ],
  "hyphenation": [
    "Es‧to‧nu‧jo"
  ],
  "lang": "Esperanto",
  "lang_code": "eo",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "Esperanto entries with incorrect language header",
        "Esperanto lemmas",
        "Esperanto proper nouns",
        "Esperanto terms with IPA pronunciation",
        "Esperanto terms with audio pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:Esperanto/ujo",
        "eo:Countries in Europe"
      ],
      "glosses": [
        "Estonia"
      ],
      "links": [
        [
          "Estonia",
          "Estonia"
        ]
      ],
      "synonyms": [
        {
          "word": "Estonio"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[estoˈnujo]"
    },
    {
      "rhymes": "-ujo"
    }
  ],
  "word": "Estonujo"
}