"-ын" meaning in Mongol

{
  "categories": [
    {
      "kind": "other",
      "name": "Suffixes en mongol",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mongol",
      "orig": "mongol",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Mongol",
  "lang_code": "mn",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "related": [
    {
      "word": "-ний"
    },
    {
      "word": "-ны"
    },
    {
      "word": "-ийн"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Suffixe ajouté à un nom commun pour la déclinaison au génitif de certains mots."
      ],
      "id": "fr--ын-mn-suffix-9Cj3ZNC8"
    }
  ],
  "sounds": [
    {
      "zh_pron": "ᠶᠢᠨ"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-ын"
}

{
  "categories": [
    "Suffixes en mongol",
    "mongol"
  ],
  "lang": "Mongol",
  "lang_code": "mn",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "related": [
    {
      "word": "-ний"
    },
    {
      "word": "-ны"
    },
    {
      "word": "-ийн"
    }
  ],
  "senses": [
    {
      "glosses": [
        "Suffixe ajouté à un nom commun pour la déclinaison au génitif de certains mots."
      ]
    }
  ],
  "sounds": [
    {
      "zh_pron": "ᠶᠢᠨ"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-ын"
}