"Nigran Arbaron" meaning in Espéranto

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de noms propres en espéranto",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Espéranto",
      "orig": "espéranto",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Espéranto",
  "lang_code": "eo",
  "pos": "name",
  "pos_title": "Forme de nom propre",
  "senses": [
    {
      "form_of": [
        {
          "word": "Nigra Arbaro"
        }
      ],
      "glosses": [
        "Accusatif de Nigra Arbaro."
      ],
      "id": "fr-Nigran_Arbaron-eo-name-0R67qjaM"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈni.ɡran ar.ˈba.ron\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "Nigran Arbaron"
}

{
  "categories": [
    "Formes de noms propres en espéranto",
    "espéranto"
  ],
  "lang": "Espéranto",
  "lang_code": "eo",
  "pos": "name",
  "pos_title": "Forme de nom propre",
  "senses": [
    {
      "form_of": [
        {
          "word": "Nigra Arbaro"
        }
      ],
      "glosses": [
        "Accusatif de Nigra Arbaro."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈni.ɡran ar.ˈba.ron\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "Nigran Arbaron"
}