"Leere Diagonale" meaning in Allemand

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en allemand",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms propres en allemand issus d’un mot en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Allemand",
      "orig": "allemand",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du français diagonale du vide."
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en allemand de la géographie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Wiktionnaire:Exemples manquants en allemand",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Diagonale du vide."
      ],
      "id": "fr-Leere_Diagonale-de-name-Tf1GAauf",
      "topics": [
        "geography"
      ]
    }
  ],
  "word": "Leere Diagonale"
}

{
  "categories": [
    "Noms propres en allemand",
    "Noms propres en allemand issus d’un mot en français",
    "allemand"
  ],
  "etymology_texts": [
    "Du français diagonale du vide."
  ],
  "lang": "Allemand",
  "lang_code": "de",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        "Lexique en allemand de la géographie",
        "Wiktionnaire:Exemples manquants en allemand"
      ],
      "glosses": [
        "Diagonale du vide."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "word": "Leere Diagonale"
}