Where does “katonraja” come from?

katonraja (Finnish) comes from Finnish katto, from Finnish kattaa, from Proto-Finnic kattadak, from Proto-Finnic kanci, from Czech -í, from Old Czech -í, from Proto-Slavic -jь, from Proto-Indo-European yós — fluidity, slime, poison; poison; poison; slime;...

katonraja (Finnish): roofline, ceiling edge, ceiling boundary

Definitions

  1. roofline, ceiling edge, ceiling boundary

Ancestry of “katonraja”, step by step

katonraja traces back through two separate lines of ancestry.

via Finnish katto

StepLanguageWordMeaning
1Finnishkattoceiling; roof
2Finnishkattaato roof; to cover; to set, lay
3Proto-Finnickattadakto cover; to roof
4Proto-Finnickancicover, lid
5CzechForming attributive adjectives from nouns,...
6Old Czechforming attributive adjectives from nouns, especially animals
7Proto-Slavic-jьAdjectival inherited from the Caland roots,...
8Proto-Indo-Europeanyósthat, who, which
9Proto-Finnicwiša
10Proto-Indo-Iranianwišáspoison, venom
11Proto-Indo-Europeanwisósfluidity, slime, poison; poison; poison; slime;...

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
Every word from Proto-Indo-European wisós