"-∅" meaning in Mongolian

{
  "etymology_templates": [
    {
      "args": {
        "1": "mn",
        "2": "-и"
      },
      "expansion": "-и (-i)",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "с"
      },
      "expansion": "с (s)",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "ш"
      },
      "expansion": "ш (š)",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "ц"
      },
      "expansion": "ц (c)",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "ч"
      },
      "expansion": "ч (č)",
      "name": "m"
    }
  ],
  "etymology_text": "Used where -и (-i) would imply the palatalization of с (s) to ш (š) or ц (c) to ч (č).",
  "head_templates": [
    {
      "args": {},
      "expansion": "-∅",
      "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 in nonstandard scripts",
          "parents": [
            "Terms in nonstandard scripts",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Alternative form: -и (-i)"
        },
        {
          "text": "Russian фу́нкция (fúnkcija, “function”) + -∅ → Mongolian функц (funkc, “function”)"
        }
      ],
      "glosses": [
        "A zero suffix used in place of Russian -ия (-ija) in loanwords with stems ending in с (s) or ц (c)."
      ],
      "id": "en--∅-mn-suffix-Rc5wDAgX",
      "links": [
        [
          "zero suffix",
          "zero suffix#English"
        ],
        [
          "-ия",
          "-ия#Russian"
        ],
        [
          "loanword",
          "loanword#English"
        ],
        [
          "stem",
          "stem#English"
        ],
        [
          "с",
          "с#Mongolian"
        ],
        [
          "ц",
          "ц#Mongolian"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-∅"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mn",
        "2": "-и"
      },
      "expansion": "-и (-i)",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "с"
      },
      "expansion": "с (s)",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "ш"
      },
      "expansion": "ш (š)",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "ц"
      },
      "expansion": "ц (c)",
      "name": "m"
    },
    {
      "args": {
        "1": "mn",
        "2": "ч"
      },
      "expansion": "ч (č)",
      "name": "m"
    }
  ],
  "etymology_text": "Used where -и (-i) would imply the palatalization of с (s) to ш (š) or ц (c) to ч (č).",
  "head_templates": [
    {
      "args": {},
      "expansion": "-∅",
      "name": "mn-suffix"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian suffixes",
        "Mongolian terms in nonstandard scripts",
        "Mongolian terms with redundant script codes"
      ],
      "examples": [
        {
          "text": "Alternative form: -и (-i)"
        },
        {
          "text": "Russian фу́нкция (fúnkcija, “function”) + -∅ → Mongolian функц (funkc, “function”)"
        }
      ],
      "glosses": [
        "A zero suffix used in place of Russian -ия (-ija) in loanwords with stems ending in с (s) or ц (c)."
      ],
      "links": [
        [
          "zero suffix",
          "zero suffix#English"
        ],
        [
          "-ия",
          "-ия#Russian"
        ],
        [
          "loanword",
          "loanword#English"
        ],
        [
          "stem",
          "stem#English"
        ],
        [
          "с",
          "с#Mongolian"
        ],
        [
          "ц",
          "ц#Mongolian"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "-∅"
}