"ная" meaning in Mongolian

{
  "forms": [
    {
      "form": "naja",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ная • (naja)",
      "name": "mn-numeral"
    }
  ],
  "hyphenation": [
    "на‧я"
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Mongolian cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "User:Theknightwho/mn-variant",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "eighty"
      ],
      "id": "en-ная-mn-num-Dbw0B6cI",
      "links": [
        [
          "eighty",
          "eighty"
        ]
      ],
      "related": [
        {
          "roman": "najan",
          "word": "наян"
        }
      ],
      "wikipedia": [
        "Mongolian script"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nä.jä/"
    },
    {
      "ipa": "[näj]"
    }
  ],
  "word": "ная"
}

{
  "forms": [
    {
      "form": "naja",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "ная • (naja)",
      "name": "mn-numeral"
    }
  ],
  "hyphenation": [
    "на‧я"
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "num",
  "related": [
    {
      "roman": "najan",
      "word": "наян"
    }
  ],
  "senses": [
    {
      "categories": [
        "Mongolian 2-syllable words",
        "Mongolian cardinal numbers",
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian links with redundant alt parameters",
        "Mongolian numerals",
        "Mongolian terms with IPA pronunciation",
        "Mongolian terms with redundant script codes",
        "User:Theknightwho/mn-variant"
      ],
      "glosses": [
        "eighty"
      ],
      "links": [
        [
          "eighty",
          "eighty"
        ]
      ],
      "wikipedia": [
        "Mongolian script"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/nä.jä/"
    },
    {
      "ipa": "[näj]"
    }
  ],
  "word": "ная"
}