"oniro-" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Dates manquantes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en français issus d’un mot en grec ancien",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Préfixes en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en breton",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Siècle à préciser) Du grec ancien ὄνειρος, oneiros (« rêve ») → voir onirique, onirisme et onirocrite."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "prefix",
  "pos_title": "Préfixe",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en français",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Relatif au rêve, au songe."
      ],
      "id": "fr-oniro--fr-prefix--HfnzRzh"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɔ.ni.ʁo\\"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "oneiro-"
    },
    {
      "lang": "Breton",
      "lang_code": "br",
      "word": "oniro-"
    },
    {
      "lang": "Breton",
      "lang_code": "br",
      "word": "hunvre-"
    }
  ],
  "word": "oniro-"
}

{
  "categories": [
    "Dates manquantes en français",
    "Mots en français issus d’un mot en grec ancien",
    "Préfixes en français",
    "Traductions en anglais",
    "Traductions en breton",
    "français"
  ],
  "etymology_texts": [
    "(Siècle à préciser) Du grec ancien ὄνειρος, oneiros (« rêve ») → voir onirique, onirisme et onirocrite."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "prefix",
  "pos_title": "Préfixe",
  "senses": [
    {
      "categories": [
        "Wiktionnaire:Exemples manquants en français"
      ],
      "glosses": [
        "Relatif au rêve, au songe."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɔ.ni.ʁo\\"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "oneiro-"
    },
    {
      "lang": "Breton",
      "lang_code": "br",
      "word": "oniro-"
    },
    {
      "lang": "Breton",
      "lang_code": "br",
      "word": "hunvre-"
    }
  ],
  "word": "oniro-"
}