"chang-" meaning in Garo

{
  "head_templates": [
    {
      "args": {
        "1": "grt",
        "2": "prefix"
      },
      "expansion": "chang-",
      "name": "head"
    }
  ],
  "lang": "Garo",
  "lang_code": "grt",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Garo entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "classifier for number of times, the number of times something has been done"
      ],
      "id": "en-chang--grt-prefix-EW8ez2u1",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "chang-"
}

{
  "head_templates": [
    {
      "args": {
        "1": "grt",
        "2": "prefix"
      },
      "expansion": "chang-",
      "name": "head"
    }
  ],
  "lang": "Garo",
  "lang_code": "grt",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Garo entries with incorrect language header",
        "Garo lemmas",
        "Garo prefixes",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "classifier for number of times, the number of times something has been done"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "chang-"
}