"-хийх" meaning in Mongolian

{
  "etymology_text": "From хийх (xiix).",
  "forms": [
    {
      "form": "-xiix",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "cat2": "verb-forming suffixes"
      },
      "expansion": "-хийх • (-xiix)",
      "name": "mn-suffix"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Mongolian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Forms verbs from onomatopoeias."
      ],
      "id": "en--хийх-mn-suffix-KbvL0GI0",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-хийх"
}

{
  "etymology_text": "From хийх (xiix).",
  "forms": [
    {
      "form": "-xiix",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "cat2": "verb-forming suffixes"
      },
      "expansion": "-хийх • (-xiix)",
      "name": "mn-suffix"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian suffixes",
        "Mongolian terms with redundant script codes",
        "Mongolian verb-forming suffixes"
      ],
      "glosses": [
        "Forms verbs from onomatopoeias."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-хийх"
}