Where does “χιονοστιβάδα” come from?

χιονοστιβάδα (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.

χιονοστιβάδα (Greek): avalanche; snowdrift

Definitions

avalanche; snowdrift

Ancestry of “χιονοστιβάδα”, step by step

χιονοστιβάδα traces back through two separate lines of ancestry.

via Greek χιόνι

Step	Language	Word	Meaning
1	Greek	χιόνι	snow
2	Koine Greek	χιόνιον	—
3	Ancient Greek	χιών	snow; melted snow, ice water
4	Proto-Indo-European	ǵʰéyōm	winter; year; frost, snow
5	Proto-Indo-European	-ōm	emphatic suffix or postpositive particle
6	Proto-Indo-European	-mi	—

via Greek στιβάδα

Step	Language	Word	Meaning
1	Greek	στιβάδα	layer
2	Ancient Greek	στῐβάς	bed of straw

Every word from Proto-Indo-European -mi →Every word from Proto-Indo-European -ōm →Every word from Proto-Indo-European ǵʰéyōm →