"Volga" meaning in Serbo-croate

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms propres en norvégien issus d’un mot en serbo-croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms propres en serbo-croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Serbo-croate",
      "orig": "serbo-croate",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du serbo-croate Волга, Volga."
  ],
  "lang": "Serbo-croate",
  "lang_code": "sh",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cours d’eau d’Europe en serbo-croate",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Volga."
      ],
      "id": "fr-Volga-sh-name-2maWOzA6",
      "topics": [
        "geography"
      ]
    }
  ],
  "word": "Volga"
}

{
  "categories": [
    "Noms propres en norvégien issus d’un mot en serbo-croate",
    "Noms propres en serbo-croate",
    "serbo-croate"
  ],
  "etymology_texts": [
    "Du serbo-croate Волга, Volga."
  ],
  "lang": "Serbo-croate",
  "lang_code": "sh",
  "pos": "name",
  "pos_title": "Nom propre",
  "senses": [
    {
      "categories": [
        "Cours d’eau d’Europe en serbo-croate"
      ],
      "glosses": [
        "Volga."
      ],
      "topics": [
        "geography"
      ]
    }
  ],
  "word": "Volga"
}