"Eifel" meaning in Allemand

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Allemand",
      "orig": "allemand",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "Eifelium"
    }
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en allemand",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en allemand à traduire",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Montagnes d’Allemagne en allemand",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Die höchste Erhebung der Eifel ist die Hohe Acht (747 m)."
        }
      ],
      "glosses": [
        "Eifel."
      ],
      "id": "fr-Eifel-de-name-Sy764OB9",
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\aɪ̯fl̩\\"
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "Eifel"
}

{
  "categories": [
    "Noms propres en allemand",
    "allemand"
  ],
  "derived": [
    {
      "word": "Eifelium"
    }
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        "Exemples en allemand",
        "Exemples en allemand à traduire",
        "Montagnes d’Allemagne en allemand"
      ],
      "examples": [
        {
          "text": "Die höchste Erhebung der Eifel ist die Hohe Acht (747 m)."
        }
      ],
      "glosses": [
        "Eifel."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\aɪ̯fl̩\\"
    }
  ],
  "tags": [
    "neuter"
  ],
  "word": "Eifel"
}