Where does “koillisraja” come from?

koillisraja (Finnish) comes from Finnish raja, from Old East Slavic краи, from Proto-Slavic krajь, from Proto-Slavic krojiti, from Proto-Balto-Slavic krájīˀtei, from Proto-Indo-European kroyh₁-eye-ti, from Proto-Indo-European kroyh₁-, from Proto-Indo-European kroh₁y- — to sift, to separate.

koillisraja (Finnish): northeastern border

Definitions

  1. northeastern border

Ancestry of “koillisraja”, step by step

koillisraja traces back through two separate lines of ancestry.

via Finnish raja

StepLanguageWordMeaning
1Finnishrajaborder, boundary, limit, line line or frontier area separating political or geographical regions
2Old East Slavicкраиedge; land, country
3Proto-Slavickrajьedge, end
4Proto-Slavickrojitito cut
5Proto-Balto-Slavickrájīˀtei
6Proto-Indo-Europeankroyh₁-eye-ti
7Proto-Indo-Europeankroyh₁-
8Proto-Indo-Europeankroh₁y-
9Proto-Indo-Europeankreh₁y-to sift, to separate

via Finnish koillinen

StepLanguageWordMeaning
1Finnishkoillinennortheast; northeastern
2Finnishkoishort form of vaatekoi Tineola bisselliella,...
3Japanesecarp, specifically, the common carp
4Old Japaneseこい
Every word from Proto-Indo-European kreh₁y-Every word from Proto-Indo-European kroh₁y-Every word from Proto-Indo-European kroyh₁-
koillisraja — Etymology, Origin & Word History | Etymology Explorer