Where does “klitoris” come from?

klitoris (Finnish) comes from Latin clitoris, from Ancient Greek κλειτορίς, from Ancient Greek κλείω, from Proto-Hellenic klāyyō, from Proto-Indo-European kleh₂uyeti, from Proto-Indo-European kleh₂u- — nail, pin, hook - instruments, of old use for...

klitoris (Finnish): clitoris