"eldfjall" meaning in Islandais

{
  "categories": [
    {
      "kind": "other",
      "name": "Lexique en islandais de la volcanologie",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en islandais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Islandais",
      "orig": "islandais",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Islandais",
  "lang_code": "is",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en islandais de la géologie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Volcan."
      ],
      "id": "fr-eldfjall-is-noun-UXoYgxcb",
      "topics": [
        "geology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛltˌfjatl\\"
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "eldfjall"
}

{
  "categories": [
    "Lexique en islandais de la volcanologie",
    "Noms communs en islandais",
    "islandais"
  ],
  "lang": "Islandais",
  "lang_code": "is",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "categories": [
        "Lexique en islandais de la géologie"
      ],
      "glosses": [
        "Volcan."
      ],
      "topics": [
        "geology"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛltˌfjatl\\"
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "eldfjall"
}