Where does “koisa” come from?

koisa (Finnish) comes from Finnish sä, from Finnish sinä, from Proto-Finnic cinä, from Proto-Uralic tinä — you, thou.

koisa (Finnish): snout moth, pyralid, pyralid moth, grass moth;...

Definitions

  1. snout moth, pyralid, pyralid moth, grass moth;...

Ancestry of “koisa”, step by step

koisa traces back through two separate lines of ancestry.

via Finnish

StepLanguageWordMeaning
1Finnishyou, ya
2Finnishsinäyou second-person singular personal pronoun, used in familiar or neutral contexts, thou
3Proto-Finniccinäyou
4Proto-Uralictinäyou, thou

via Finnish koi

StepLanguageWordMeaning
1Finnishkoishort form of vaatekoi Tineola bisselliella,...
2Japanesecarp, specifically, the common carp
3Old Japaneseこい

Words derived from “koisa

Every word from Proto-Uralic tinäEvery word from Proto-Finnic cinäEvery word from Finnish sinä
koisa — Etymology, Origin & Word History | Etymology Explorer