Where does “keʔs-” come from?

keʔs- (Proto-Balto-Slavic) comes from Proto-Indo-European k(ʷ)eh₁s-.

Ancestry of “keʔs-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	k(ʷ)eh₁s-	—

Words derived from “keʔs-”

Every word from Proto-Indo-European k(ʷ)eh₁s- →

keʔs- — Etymology, Origin & Word History | Etymology Explorer