Where does “Сунак” come from?

Сунак (Russian) comes from Turkish sunak, from Turkish sunmak, from Ottoman Turkish صونمق, from Old Anatolian Turkish sun-, from Proto-Turkic sūn- — to stretch out; to stretch, stretch out.

Ancestry of “Сунак”, step by step

Step	Language	Word	Meaning
1	Turkish	sunak	altar
2	Turkish	sunmak	to offer, present, submit; to introduce,...
3	Ottoman Turkish	صونمق	to present
4	Old Anatolian Turkish	sun-	to hold out, offer, present
5	Proto-Turkic	sūn-	to stretch out; to stretch, stretch out

Every word from Proto-Turkic sūn- →