Where does “katto-orsi” come from?

katto-orsi (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;...

katto-orsi (Finnish): purlin longitudinal structural member bridging two or more rafters of a roof

Definitions

  1. purlin longitudinal structural member bridging two or more rafters of a roof

Ancestry of “katto-orsi”, step by step

katto-orsi 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 orsi

StepLanguageWordMeaning
1Finnishorsia wooden beam or bar on which objects, such as tools, are hung from when they are not used
Every word from Proto-Indo-European wisósEvery word from Czech Every word from Proto-Indo-Iranian wišás