-ын

From Classical Mongolian  ᠤᠨ (-un) and  ᠶᠢᠨ (-yin), from Middle Mongol  ᠤᠨ (-un) and  ᠶᠢᠨ (-yin).

• IPA^(key): /iːŋ/ (making no vowel mutation to the previous syllable)

-ын • (-yn)

1. Marks the genitive case in the regular declension:
   1. After a back vowel stem ending in the consonant б (b), в (v), д (d), з (z), л (l), м (m), п (p), р (r), с (s), т (t), ф (f), х (x) or ц (c).

      ‎гар (gar, “hand”) + ‎-ын (-yn) → ‎гарын (garyn, “hand’s, of hand”)

   2. After a back vowel stem ending in a consonant followed by a short vowel (which is supplanted).

      ‎барга (barga, “Barag”) + ‎-ын (-yn) → ‎баргын (bargyn, “of the Barag”)

   3. After a back vowel stem ending in an iotated vowel.

      ‎сая (saja, “million”) + ‎-ын (-yn) → ‎саяын (sajayn, “of a million”).

2. Forms patronymics.

   ‎Мөнхбаатар (Mönxbaatar, given name) + ‎-ын (-yn) → ‎Мөнхбаатрын (Mönxbaatryn, patronymic)

• -ийн (-iin), -ы (-y), -ий (-ii), -н (-n), -ны (-ny), -ний (-nii), -ины (-iny), -иний (-inii), -гийн (-giin)

• -ынх (-ynx)
• -ынхаа (-ynxaa), -ынхоо (-ynxoo)

• -т (-t)

• IPA^(key): [ɨn]

-ын • (-yn)

1. Alternative form of -ин (-in): 's (possessive suffix)

   ‎пти́ца (ptíca, “bird”) + ‎-ын (-yn) → ‎пти́цын (ptícyn, “bird's”)

   ‎Тро́ица (Tróica, “Trinity”) + ‎-ын (-yn) → ‎Тро́ицын (Tróicyn, “Trinity”) (relational)

   Тро́ицын день ― Tróicyn denʹ ― Whitsunday

• This suffix is only used after ц. After all other consonants, -ин (-in) is used, even though it is pronounced like -ын (-yn) after the hushing consonants ш ж ч щ.

• -ев (-ev), -ёв (-jóv), -ов (-ov)