"гийгэх" meaning in Mongolian

{
  "forms": [
    {
      "form": "giigex",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ᠭᠡᠶᠢᠭᠡᠬᠦ",
      "roman": "geyigekü",
      "tags": [
        "Mongolian"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ᠭᠡᠶᠢᠭᠡᠬᠦ"
      },
      "expansion": "гийгэх • (giigex) (Mongolian spelling ᠭᠡᠶᠢᠭᠡᠬᠦ (geyigekü))",
      "name": "mn-verb"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "verb",
  "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"
        }
      ],
      "derived": [
        {
          "roman": "giigüülex",
          "word": "гийгүүлэх"
        }
      ],
      "glosses": [
        "To become bright"
      ],
      "id": "en-гийгэх-mn-verb-rIDHx9zU"
    }
  ],
  "sounds": [
    {
      "other": "/ɡiːɡĕx/"
    },
    {
      "other": "[ɡiːɣĕx]"
    }
  ],
  "word": "гийгэх"
}

{
  "derived": [
    {
      "roman": "giigüülex",
      "word": "гийгүүлэх"
    }
  ],
  "forms": [
    {
      "form": "giigex",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ᠭᠡᠶᠢᠭᠡᠬᠦ",
      "roman": "geyigekü",
      "tags": [
        "Mongolian"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ᠭᠡᠶᠢᠭᠡᠬᠦ"
      },
      "expansion": "гийгэх • (giigex) (Mongolian spelling ᠭᠡᠶᠢᠭᠡᠬᠦ (geyigekü))",
      "name": "mn-verb"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Mongolian 2-syllable words",
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian terms with IPA pronunciation",
        "Mongolian terms with redundant script codes",
        "Mongolian verbs"
      ],
      "glosses": [
        "To become bright"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/ɡiːɡĕx/"
    },
    {
      "other": "[ɡiːɣĕx]"
    }
  ],
  "word": "гийгэх"
}