Where does “rajasuoja” come from?

rajasuoja (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.

rajasuoja (Finnish): border control, border protection

Definitions

  1. border control, border protection

Ancestry of “rajasuoja”, step by step

rajasuoja 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 suoja

StepLanguageWordMeaning
1Finnishsuojashelter; protective covering; refuge
2Proto-Finnicsoojashelter; protection; warm
3Russianсо́яjay {{i|dialectal}}
4Dutchsojasoy
5Japaneseそい醤油 soy sauce
6Japanese醤油soy sauce
7Middle Chinese醬油
8Middle Chinesebean paste
Every word from Proto-Indo-European kreh₁y-Every word from Proto-Indo-European kroh₁y-Every word from Proto-Indo-European kroyh₁-