Where does “χιονάκι” come from?

χιονάκι (Greek) comes from Greek χιόνι, from Koine Greek χιόνιον, from Ancient Greek χιών, from Proto-Indo-European ǵʰéyōm, from Proto-Indo-European -ōm, from Proto-Indo-European -mi.

χιονάκι (Greek): a little snow, light snow