Where does “ulvo-” come from?

ulvo- (Finnish) comes from Finnish ulvoa, from Proto-Finnic ulvodak — to howl.

Ancestry of “ulvo-”, step by step

StepLanguageWordMeaning
1Finnishulvoato howl; Partitive singular form of ulvo
2Proto-Finniculvodakto howl
Every word from Proto-Finnic ulvodak →Every word from Finnish ulvoa →