"цьа" meaning in Ubykh

{
  "forms": [
    {
      "form": "ća",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uby",
        "2": "verb"
      },
      "expansion": "цьа • (ća)",
      "name": "head"
    }
  ],
  "lang": "Ubykh",
  "lang_code": "uby",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ubykh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "box"
      ],
      "id": "en-цьа-uby-verb-JvhWfyVp",
      "links": [
        [
          "box",
          "box"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tɕʰa]"
    }
  ],
  "word": "цьа"
}

{
  "forms": [
    {
      "form": "ća",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uby",
        "2": "verb"
      },
      "expansion": "цьа • (ća)",
      "name": "head"
    }
  ],
  "lang": "Ubykh",
  "lang_code": "uby",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Ubykh entries with incorrect language header",
        "Ubykh lemmas",
        "Ubykh terms with IPA pronunciation",
        "Ubykh verbs"
      ],
      "glosses": [
        "box"
      ],
      "links": [
        [
          "box",
          "box"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[tɕʰa]"
    }
  ],
  "word": "цьа"
}