Where does “kʷoinā́” come from?

kʷoinā́ (Proto-Hellenic) comes from Proto-Indo-European kʷoynéh₂, from Proto-Indo-European kʷey- — to pay; to avenge.

Ancestry of “kʷoinā́”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	kʷoynéh₂	payment; punishment, vengeance
2	Proto-Indo-European	kʷey-	to pay; to avenge

kʷoinā́ — Etymology, Origin & Word History | Etymology Explorer