From Wiktionary, the free dictionary
Perhaps from Proto-Turkic *ɨna- (“to trust, rely on”).
ынак • (ınak)
- favourite, liked [with dative]
- Мен ном номчуурунга ынак мен. ― Men nom nomçuurunga ınak men. ― I like to read books.
- Ооң ынак эртеми төөгү. ― Ooñ ınak ertemi töögü. ― His favourite subject is history.