Where does “höyrysulku” come from?

höyrysulku (Finnish) comes from Finnish sulku, from Finnish sulkea, from Proto-Finnic sülkedäk, from Proto-Finno-Permic śulke-.

höyrysulku (Finnish): vapor barrier, steam barrier

Definitions

  1. vapor barrier, steam barrier

Ancestry of “höyrysulku”, step by step

höyrysulku traces back through two separate lines of ancestry.

via Finnish sulku

StepLanguageWordMeaning
1Finnishsulkubracket; blockade; lock
2Finnishsulkeato close, shut; to turn off, to switch off
3Proto-Finnicsülkedäkto spit
4Proto-Finno-Permicśulke-—

via Finnish höyry

StepLanguageWordMeaning
1Finnishhöyrysteam; vapor
2Proto-Finnicheürü—
Every word from Proto-Finno-Permic śulke- →Every word from Proto-Finnic sülkedäk →Every word from Finnish sulkea →