"λεττονικά" meaning in Grec

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en grec",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec",
      "orig": "grec",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "De λεττονικός (« letton »), sous-entendant γλώσσα (« langue »)."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Langues en grec",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en grec",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Letton."
      ],
      "id": "fr-λεττονικά-el-noun-US41hWPW",
      "topics": [
        "linguistic"
      ]
    }
  ],
  "sounds": [
    {
      "zh_pron": "λεττονικά"
    },
    {
      "zh_pron": "lettoniká"
    },
    {
      "ipa": "\\le.to.niˈka\\"
    }
  ],
  "tags": [
    "neuter",
    "plural"
  ],
  "word": "λεττονικά"
}

{
  "categories": [
    "Noms communs en grec",
    "grec"
  ],
  "etymology_texts": [
    "De λεττονικός (« letton »), sous-entendant γλώσσα (« langue »)."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Langues en grec",
        "Wiktionnaire:Exemples manquants en grec"
      ],
      "glosses": [
        "Letton."
      ],
      "topics": [
        "linguistic"
      ]
    }
  ],
  "sounds": [
    {
      "zh_pron": "λεττονικά"
    },
    {
      "zh_pron": "lettoniká"
    },
    {
      "ipa": "\\le.to.niˈka\\"
    }
  ],
  "tags": [
    "neuter",
    "plural"
  ],
  "word": "λεττονικά"
}