Where does “χιονοθύελλα” come from?

χιονοθύελλα (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.

χιονοθύελλα (Greek): blizzard; snowstorm

Definitions

blizzard; snowstorm

Ancestry of “χιονοθύελλα”, step by step

χιονοθύελλα 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 θύελλα

Step	Language	Word	Meaning
1	Greek	θύελλα	storm, tempest, gale, hurricane; storm, barrage,...
2	Ancient Greek	θύελλα	hurricane, squall; thunderstorm
3	Ancient Greek	θύω	I offer in sacrifice, slay, burn, immolate; I...
4	Proto-Indo-European	dʰewh₂-	smoke; mist, haze

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