"былгарбза" meaning in Ubykh

{
  "forms": [
    {
      "form": "bəlgarbza",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uby",
        "2": "noun"
      },
      "expansion": "былгарбза • (bəlgarbza)",
      "name": "head"
    }
  ],
  "lang": "Ubykh",
  "lang_code": "uby",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ubykh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "uby",
          "name": "Languages",
          "orig": "uby:Languages",
          "parents": [
            "Language",
            "Names",
            "Communication",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Bulgarian language"
      ],
      "id": "en-былгарбза-uby-noun-FUczH65T",
      "links": [
        [
          "Bulgarian",
          "Bulgarian"
        ],
        [
          "language",
          "language"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[bəlɡarbza]"
    }
  ],
  "word": "былгарбза"
}

{
  "forms": [
    {
      "form": "bəlgarbza",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uby",
        "2": "noun"
      },
      "expansion": "былгарбза • (bəlgarbza)",
      "name": "head"
    }
  ],
  "lang": "Ubykh",
  "lang_code": "uby",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ubykh entries with incorrect language header",
        "Ubykh lemmas",
        "Ubykh nouns",
        "Ubykh terms with IPA pronunciation",
        "uby:Languages"
      ],
      "glosses": [
        "Bulgarian language"
      ],
      "links": [
        [
          "Bulgarian",
          "Bulgarian"
        ],
        [
          "language",
          "language"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[bəlɡarbza]"
    }
  ],
  "word": "былгарбза"
}