"-цәа" meaning in Ubykh

{
  "forms": [
    {
      "form": "-cʷa",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uby",
        "2": "suffix"
      },
      "expansion": "-цәа • (-cʷa)",
      "name": "head"
    }
  ],
  "lang": "Ubykh",
  "lang_code": "uby",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ubykh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "excess suffix"
      ],
      "id": "en--цәа-uby-suffix-mNRJg1wG",
      "related": [
        {
          "roman": "-qʷʼa",
          "word": "-ҟәа"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-цәа"
}

{
  "forms": [
    {
      "form": "-cʷa",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "uby",
        "2": "suffix"
      },
      "expansion": "-цәа • (-cʷa)",
      "name": "head"
    }
  ],
  "lang": "Ubykh",
  "lang_code": "uby",
  "pos": "suffix",
  "related": [
    {
      "roman": "-qʷʼa",
      "word": "-ҟәа"
    }
  ],
  "senses": [
    {
      "categories": [
        "Ubykh entries with incorrect language header",
        "Ubykh lemmas",
        "Ubykh suffixes"
      ],
      "glosses": [
        "excess suffix"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-цәа"
}