Where does “(a)tsāna” come from?

(a)tsāna (Proto-Albanian) comes from Proto-Indo-European h₂eḱ- — sharp.

Ancestry of “(a)tsāna”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	h₂eḱ-	sharp

(a)tsāna — Etymology, Origin & Word History | Etymology Explorer