Where does “koillispuoli” come from?

koillispuoli (Finnish) comes from Finnish koillinen, from Finnish koi, from Japanese 鯉, from Old Japanese こい.

koillispuoli (Finnish): northeastern side

Definitions

  1. northeastern side

Ancestry of “koillispuoli”, step by step

koillispuoli traces back through two separate lines of ancestry.

via Finnish koillinen

StepLanguageWordMeaning
1Finnishkoillinennortheast; northeastern
2Finnishkoishort form of vaatekoi Tineola bisselliella,...
3Japanesecarp, specifically, the common carp
4Old Japaneseこい

via Finnish puoli

StepLanguageWordMeaning
1Finnishpuolihalf; when followed by a number representing an...
2Proto-Finnicpoolihalf, side; half
3Proto-Uralicpälähalf
Every word from Old Japanese こいEvery word from Japanese Every word from Finnish koi