"ерэн" meaning in Mongolian

{
  "forms": [
    {
      "form": "jeren",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mn",
        "2": "numeral"
      },
      "expansion": "ерэн • (jeren)",
      "name": "head"
    }
  ],
  "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "ninety"
      ],
      "id": "en-ерэн-mn-num-Uhx0pNWC",
      "links": [
        [
          "ninety",
          "ninety"
        ]
      ],
      "related": [
        {
          "roman": "jer",
          "word": "ер"
        }
      ]
    }
  ],
  "word": "ерэн"
}

{
  "forms": [
    {
      "form": "jeren",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mn",
        "2": "numeral"
      },
      "expansion": "ерэн • (jeren)",
      "name": "head"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "num",
  "related": [
    {
      "roman": "jer",
      "word": "ер"
    }
  ],
  "senses": [
    {
      "categories": [
        "Mongolian cardinal numbers",
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian numerals",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "ninety"
      ],
      "links": [
        [
          "ninety",
          "ninety"
        ]
      ]
    }
  ],
  "word": "ерэн"
}