Where does “Демьян” come from?

Демьян (Russian) comes from Russian Дамиа́н, from Ancient Greek Δαμιανός, from Ancient Greek δαμάζω, from Ancient Greek δάμνημι, from Proto-Indo-European demh₂- — to tame, domesticate.

Ancestry of “Демьян”, step by step

Step	Language	Word	Meaning
1	Russian	Дамиа́н	—
2	Ancient Greek	Δαμιανός	—
3	Ancient Greek	δαμάζω	to tame, subdue, control; to give in marriage; to...
4	Ancient Greek	δάμνημι	Synonym of δαμάζω
5	Proto-Indo-European	demh₂-	to tame, domesticate

Every word from Proto-Indo-European demh₂- →Every word from Ancient Greek δάμνημι →Every word from Ancient Greek δαμάζω →