Where does “rajakahdennus” come from?

rajakahdennus (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.

rajakahdennus (Finnish): gemination as it occurs in Finnish at the end of some words

Definitions

  1. gemination as it occurs in Finnish at the end of some words

Ancestry of “rajakahdennus”, step by step

rajakahdennus 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 kahdennus

StepLanguageWordMeaning
1Finnishkahdennusgemination
2Finnishkahdentaato double; to duplicate; to geminate
3Finnishkaksitwo
4Proto-Finnickakcitwo
5Proto-Uralic*kakta
Every word from Proto-Indo-European kreh₁y-Every word from Proto-Indo-European kroh₁y-Every word from Proto-Indo-European kroyh₁-