"-ch" meaning in Unami

{
  "head_templates": [
    {
      "args": {
        "1": "unm",
        "2": "suffix"
      },
      "expansion": "-ch",
      "name": "head"
    }
  ],
  "lang": "Unami",
  "lang_code": "unm",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Unami entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Unami terms suffixed with -ch",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "lapi (“again”) + -ch (future marker)."
        }
      ],
      "glosses": [
        "Suffix to indicate something relates to the future."
      ],
      "id": "en--ch-unm-suffix-Dlw-hfh3",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ch"
}

{
  "head_templates": [
    {
      "args": {
        "1": "unm",
        "2": "suffix"
      },
      "expansion": "-ch",
      "name": "head"
    }
  ],
  "lang": "Unami",
  "lang_code": "unm",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Unami entries with incorrect language header",
        "Unami lemmas",
        "Unami suffixes",
        "Unami terms suffixed with -ch"
      ],
      "examples": [
        {
          "text": "lapi (“again”) + -ch (future marker)."
        }
      ],
      "glosses": [
        "Suffix to indicate something relates to the future."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-ch"
}