"-ы" meaning in Mongolian

{
  "etymology_templates": [
    {
      "args": {
        "1": "mn",
        "2": "cmg",
        "3": "ᠢ"
      },
      "expansion": "Classical Mongolian ᠢ (-i)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Classical Mongolian ᠢ (-i) and ᠠᠢ (-ai).",
  "forms": [
    {
      "form": "-y",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "cat2": "genitive suffixes"
      },
      "expansion": "-ы • (-y)",
      "name": "mn-suffix"
    }
  ],
  "hyphenation": [
    "ы"
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "_dis": "60 40",
          "kind": "other",
          "name": "Mongolian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "64 36",
          "kind": "other",
          "name": "Mongolian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "чидун (čidun, “olive tree”) + -ы (-y) → чидуны (čiduny, “olive tree's”)"
        }
      ],
      "glosses": [
        "Marks the genitive case in the regular declension after a back vowel stem ending in н (n)."
      ],
      "id": "en--ы-mn-suffix-e~qLYeao",
      "links": [
        [
          "genitive case",
          "genitive case#English"
        ],
        [
          "back vowel",
          "back vowel#English"
        ],
        [
          "stem",
          "stem#English"
        ],
        [
          "н",
          "н#Mongolian"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "Forms patronymics."
      ],
      "id": "en--ы-mn-suffix-eri7ebqn",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈi/"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "roman": "-yn",
      "word": "-ын"
    },
    {
      "_dis1": "0 0",
      "roman": "-iin",
      "word": "-ийн"
    },
    {
      "_dis1": "0 0",
      "roman": "-ii",
      "word": "-ий"
    },
    {
      "_dis1": "0 0",
      "roman": "-n",
      "word": "-н"
    },
    {
      "_dis1": "0 0",
      "roman": "-ny",
      "word": "-ны"
    },
    {
      "_dis1": "0 0",
      "roman": "-nii",
      "word": "-ний"
    },
    {
      "_dis1": "0 0",
      "roman": "-iny",
      "word": "-ины"
    },
    {
      "_dis1": "0 0",
      "roman": "-inii",
      "word": "-иний"
    },
    {
      "_dis1": "0 0",
      "roman": "-giin",
      "word": "-гийн"
    }
  ],
  "word": "-ы"
}

{
  "categories": [
    "Mongolian entries with incorrect language header",
    "Mongolian genitive suffixes",
    "Mongolian lemmas",
    "Mongolian suffixes",
    "Mongolian terms derived from Classical Mongolian",
    "Mongolian terms inherited from Classical Mongolian",
    "Mongolian terms with IPA pronunciation",
    "Mongolian terms with redundant script codes"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "mn",
        "2": "cmg",
        "3": "ᠢ"
      },
      "expansion": "Classical Mongolian ᠢ (-i)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Classical Mongolian ᠢ (-i) and ᠠᠢ (-ai).",
  "forms": [
    {
      "form": "-y",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "cat2": "genitive suffixes"
      },
      "expansion": "-ы • (-y)",
      "name": "mn-suffix"
    }
  ],
  "hyphenation": [
    "ы"
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "suffix",
  "senses": [
    {
      "examples": [
        {
          "text": "чидун (čidun, “olive tree”) + -ы (-y) → чидуны (čiduny, “olive tree's”)"
        }
      ],
      "glosses": [
        "Marks the genitive case in the regular declension after a back vowel stem ending in н (n)."
      ],
      "links": [
        [
          "genitive case",
          "genitive case#English"
        ],
        [
          "back vowel",
          "back vowel#English"
        ],
        [
          "stem",
          "stem#English"
        ],
        [
          "н",
          "н#Mongolian"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "Forms patronymics."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈi/"
    }
  ],
  "synonyms": [
    {
      "roman": "-yn",
      "word": "-ын"
    },
    {
      "roman": "-iin",
      "word": "-ийн"
    },
    {
      "roman": "-ii",
      "word": "-ий"
    },
    {
      "roman": "-n",
      "word": "-н"
    },
    {
      "roman": "-ny",
      "word": "-ны"
    },
    {
      "roman": "-nii",
      "word": "-ний"
    },
    {
      "roman": "-iny",
      "word": "-ины"
    },
    {
      "roman": "-inii",
      "word": "-иний"
    },
    {
      "roman": "-giin",
      "word": "-гийн"
    }
  ],
  "word": "-ы"
}