Where does “supi-” come from?

supi- (Finnish) comes from Czech sup, from Proto-Slavic sǫpъ — vulture.

Ancestry of “supi-”, step by step

supi- traces back through two separate lines of ancestry.

via Czech sup

StepLanguageWordMeaning
1Czechsupvulture
2Proto-Slavicsǫpъvulture

via Slovak sup

StepLanguageWordMeaning
1Slovaksupvulture
Every word from Proto-Slavic sǫpъEvery word from Czech sup