Where does “kasvisvoi” come from?

kasvisvoi (Finnish) comes from Finnish kasvis, from Finnish kasvi, from Finnish kasvaa, from Proto-Finnic kasvadak, from Proto-Indo-European h₂ewks-.

Ancestry of “kasvisvoi”, step by step

kasvisvoi traces back through two separate lines of ancestry.

via Finnish kasvis

StepLanguageWordMeaning
1Finnishkasvisvegetable; vegetarian
2Finnishkasviplant
3Finnishkasvaato grow
4Proto-Finnickasvadakto grow
5Proto-Indo-Europeanh₂ewks-—

via Finnish voi

StepLanguageWordMeaning
1Finnishvoibutter; oh; third-person singular indicative...
2Proto-Finnicvoibutter; oh, woe
3Proto-Finno-Ugricwajefat
Every word from Proto-Indo-European h₂ewks- →Every word from Proto-Finnic kasvadak →Every word from Finnish kasvaa →