"элс" meaning in Mongolian

{
  "etymology_templates": [
    {
      "args": {
        "1": "mn",
        "2": "xgn-pro",
        "3": "*elesün"
      },
      "expansion": "Proto-Mongolic *elesün",
      "name": "inh"
    },
    {
      "args": {
        "1": "bua",
        "2": "элһэн"
      },
      "expansion": "Buryat элһэн (elhen)",
      "name": "cog"
    },
    {
      "args": {
        "1": "xal",
        "2": "элсн"
      },
      "expansion": "Kalmyk элсн (elsn)",
      "name": "cog"
    },
    {
      "args": {
        "1": "dta",
        "2": "eler",
        "t": "sand"
      },
      "expansion": "Daur eler (“sand”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "obsolete"
      },
      "expansion": "(obsolete)",
      "name": "qualifier"
    }
  ],
  "etymology_text": "From Proto-Mongolic *elesün, compare Buryat элһэн (elhen), Kalmyk элсн (elsn), Daur eler (“sand”) (obsolete).",
  "forms": [
    {
      "form": "els",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ᠡᠯᠡᠰᠦ",
      "roman": "elesü",
      "tags": [
        "Mongolian"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "ᠡᠯᠡᠰᠦ"
      },
      "expansion": "элс • (els) (Mongolian spelling ᠡᠯᠡᠰᠦ (elesü))",
      "name": "mn-noun"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "noun",
  "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mn",
          "name": "Geology",
          "orig": "mn:Geology",
          "parents": [
            "Earth sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "sand"
      ],
      "id": "en-элс-mn-noun-9519JFWD",
      "links": [
        [
          "sand",
          "sand"
        ]
      ],
      "wikipedia": [
        "Mongolian script"
      ]
    }
  ],
  "word": "элс"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mn",
        "2": "xgn-pro",
        "3": "*elesün"
      },
      "expansion": "Proto-Mongolic *elesün",
      "name": "inh"
    },
    {
      "args": {
        "1": "bua",
        "2": "элһэн"
      },
      "expansion": "Buryat элһэн (elhen)",
      "name": "cog"
    },
    {
      "args": {
        "1": "xal",
        "2": "элсн"
      },
      "expansion": "Kalmyk элсн (elsn)",
      "name": "cog"
    },
    {
      "args": {
        "1": "dta",
        "2": "eler",
        "t": "sand"
      },
      "expansion": "Daur eler (“sand”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "obsolete"
      },
      "expansion": "(obsolete)",
      "name": "qualifier"
    }
  ],
  "etymology_text": "From Proto-Mongolic *elesün, compare Buryat элһэн (elhen), Kalmyk элсн (elsn), Daur eler (“sand”) (obsolete).",
  "forms": [
    {
      "form": "els",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ᠡᠯᠡᠰᠦ",
      "roman": "elesü",
      "tags": [
        "Mongolian"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "ᠡᠯᠡᠰᠦ"
      },
      "expansion": "элс • (els) (Mongolian spelling ᠡᠯᠡᠰᠦ (elesü))",
      "name": "mn-noun"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Mongolian 1-syllable words",
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian nouns",
        "Mongolian terms derived from Proto-Mongolic",
        "Mongolian terms inherited from Proto-Mongolic",
        "Mongolian terms with redundant script codes",
        "Pages with 1 entry",
        "Pages with entries",
        "mn:Geology"
      ],
      "glosses": [
        "sand"
      ],
      "links": [
        [
          "sand",
          "sand"
        ]
      ],
      "wikipedia": [
        "Mongolian script"
      ]
    }
  ],
  "word": "элс"
}