"μάταιος" meaning in Grec

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en grec",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en grec issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec",
      "orig": "grec",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "translation": "en vain",
      "word": "μάταια"
    }
  ],
  "etymology_texts": [
    "Du grec ancien μάταιος, mátaios."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "mataios"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en grec",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Futile, vain, frivole."
      ],
      "id": "fr-μάταιος-el-adj-eCXp4W4W"
    }
  ],
  "word": "μάταιος"
}

{
  "categories": [
    "Adjectifs en grec",
    "Mots en grec issus d’un mot en grec ancien",
    "grec"
  ],
  "derived": [
    {
      "translation": "en vain",
      "word": "μάταια"
    }
  ],
  "etymology_texts": [
    "Du grec ancien μάταιος, mátaios."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "mataios"
  ],
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en grec"
      ],
      "glosses": [
        "Futile, vain, frivole."
      ]
    }
  ],
  "word": "μάταιος"
}