"αρχαιο-" meaning in Grec

{
  "categories": [
    {
      "kind": "other",
      "name": "Mots en grec issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Préfixes en grec",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Grec",
      "orig": "grec",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "αρχαιογνωσία"
    },
    {
      "word": "αρχαιοκαπηλία"
    },
    {
      "word": "αρχαιολάτρης"
    },
    {
      "word": "αρχαιολόγος"
    },
    {
      "word": "αρχαιόκλιτος"
    }
  ],
  "etymology_texts": [
    "Du grec ancien ἀρχαῖος, arkhaîos."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "prefix",
  "pos_title": "Préfixe",
  "senses": [
    {
      "glosses": [
        "Archéo-."
      ],
      "id": "fr-αρχαιο--el-prefix-dpfj9Ngy"
    }
  ],
  "sounds": [
    {
      "ipa": "\\aɾ.çɛ.ɔ\\"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "αρχαιο-"
}

{
  "categories": [
    "Mots en grec issus d’un mot en grec ancien",
    "Préfixes en grec",
    "grec"
  ],
  "derived": [
    {
      "word": "αρχαιογνωσία"
    },
    {
      "word": "αρχαιοκαπηλία"
    },
    {
      "word": "αρχαιολάτρης"
    },
    {
      "word": "αρχαιολόγος"
    },
    {
      "word": "αρχαιόκλιτος"
    }
  ],
  "etymology_texts": [
    "Du grec ancien ἀρχαῖος, arkhaîos."
  ],
  "lang": "Grec",
  "lang_code": "el",
  "pos": "prefix",
  "pos_title": "Préfixe",
  "senses": [
    {
      "glosses": [
        "Archéo-."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\aɾ.çɛ.ɔ\\"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "αρχαιο-"
}