"έτη" meaning in Grec

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms communs en grec",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec",
      "orig": "grec",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "έτος"
        }
      ],
      "glosses": [
        "Nominatif pluriel de έτος."
      ],
      "id": "fr-έτη-el-noun-MjqFQQZp"
    },
    {
      "form_of": [
        {
          "word": "έτος"
        }
      ],
      "glosses": [
        "Accusatif pluriel de έτος."
      ],
      "id": "fr-έτη-el-noun-pfUBiz8L"
    },
    {
      "form_of": [
        {
          "word": "έτος"
        }
      ],
      "glosses": [
        "Vocatif pluriel έτος."
      ],
      "id": "fr-έτη-el-noun-FHSe7bqG"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛ.ti\\"
    }
  ],
  "tags": [
    "form-of",
    "neuter"
  ],
  "word": "έτη"
}

{
  "categories": [
    "Formes de noms communs en grec",
    "grec"
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "noun",
  "pos_title": "Forme de nom commun",
  "senses": [
    {
      "form_of": [
        {
          "word": "έτος"
        }
      ],
      "glosses": [
        "Nominatif pluriel de έτος."
      ]
    },
    {
      "form_of": [
        {
          "word": "έτος"
        }
      ],
      "glosses": [
        "Accusatif pluriel de έτος."
      ]
    },
    {
      "form_of": [
        {
          "word": "έτος"
        }
      ],
      "glosses": [
        "Vocatif pluriel έτος."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛ.ti\\"
    }
  ],
  "tags": [
    "form-of",
    "neuter"
  ],
  "word": "έτη"
}