Where does “routaraja” come from?

routaraja (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.

routaraja (Finnish): soil frost limit

Definitions

  1. soil frost limit

Ancestry of “routaraja”, step by step

routaraja 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 routa

StepLanguageWordMeaning
1Finnishroutaground frost
2Proto-Finnicroutafrost in the ground
Every word from Proto-Indo-European kreh₁y-Every word from Proto-Indo-European kroh₁y-Every word from Proto-Indo-European kroyh₁-