"erreinu" meaning in Basque

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en basque issus d’un mot en espagnol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en basque issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en basque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Basque",
      "orig": "basque",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Comme l’espagnol reino (« royaume »), du latin regnum."
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en basque de la politique",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {}
      ],
      "glosses": [
        "Royaume."
      ],
      "id": "fr-erreinu-eu-noun-AunScDuP",
      "topics": [
        "politics"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en basque de la biologie",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {}
      ],
      "glosses": [
        "Règne."
      ],
      "id": "fr-erreinu-eu-noun-BpM-zRtc",
      "topics": [
        "biology"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "erresuma"
    }
  ],
  "word": "erreinu"
}

{
  "categories": [
    "Mots en basque issus d’un mot en espagnol",
    "Mots en basque issus d’un mot en latin",
    "Noms communs en basque",
    "basque"
  ],
  "etymology_texts": [
    "Comme l’espagnol reino (« royaume »), du latin regnum."
  ],
  "lang": "Basque",
  "lang_code": "eu",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en basque de la politique"
      ],
      "examples": [
        {}
      ],
      "glosses": [
        "Royaume."
      ],
      "topics": [
        "politics"
      ]
    },
    {
      "categories": [
        "Lexique en basque de la biologie"
      ],
      "examples": [
        {}
      ],
      "glosses": [
        "Règne."
      ],
      "topics": [
        "biology"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "erresuma"
    }
  ],
  "word": "erreinu"
}