"μαντεῖος" meaning in Grec ancien

{
  "categories": [
    {
      "kind": "other",
      "name": "Adjectifs en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Dérivations en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en grec ancien suffixés avec -εῖος",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec ancien",
      "orig": "grec ancien",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "μαντεία"
    },
    {
      "word": "μαντεῖον"
    }
  ],
  "etymology_texts": [
    "Motdérivé de μάντις, mántis (« devin »), avec le suffixe -εῖος, -eîos."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "μαντεῖος, manteîos"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Termes poétiques en grec ancien",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en grec ancien",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonyme de μαντικός."
      ],
      "id": "fr-μαντεῖος-grc-adj-vTDDviD7",
      "tags": [
        "poetic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "*\\man.têː.os\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "μαντεῖος"
}

{
  "categories": [
    "Adjectifs en grec ancien",
    "Dérivations en grec ancien",
    "Mots en grec ancien suffixés avec -εῖος",
    "grec ancien"
  ],
  "derived": [
    {
      "word": "μαντεία"
    },
    {
      "word": "μαντεῖον"
    }
  ],
  "etymology_texts": [
    "Motdérivé de μάντις, mántis (« devin »), avec le suffixe -εῖος, -eîos."
  ],
  "lang": "Grec ancien",
  "lang_code": "grc",
  "pos": "adj",
  "pos_title": "Adjectif",
  "raw_tags": [
    "μαντεῖος, manteîos"
  ],
  "senses": [
    {
      "categories": [
        "Termes poétiques en grec ancien",
        "Wiktionnaire:Exemples manquants en grec ancien"
      ],
      "glosses": [
        "Synonyme de μαντικός."
      ],
      "tags": [
        "poetic"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "*\\man.têː.os\\"
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "μαντεῖος"
}