Where does “kurvainen” come from?

kurvainen (Finnish) comes from Finnish kurva, from Russian курва, from Old East Slavic курва, from Proto-Slavic kury, from Proto-Indo-European keh₂ros, from Proto-Indo-European keh₂- — to desire, wish.

Ancestry of “kurvainen”, step by step

Step	Language	Word	Meaning
1	Finnish	kurva	Alternative form of kurvi
2	Russian	курва	whore, prostitute; bitch, slut; bastard
3	Old East Slavic	курва	prostitute, whore
4	Proto-Slavic	kury	whore
5	Proto-Indo-European	keh₂ros	dear, loved; loved
6	Proto-Indo-European	keh₂-	to desire, wish

Every word from Proto-Indo-European keh₂- →Every word from Proto-Indo-European keh₂ros →Every word from Proto-Slavic kury →