Where does “tuulensulkulevy” come from?

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

Ancestry of “tuulensulkulevy”, step by step

tuulensulkulevy traces back through two separate lines of ancestry.

via Finnish tuulensulku

StepLanguageWordMeaning
1Finnishtuulensulkuair barrier, wind barrier between insulation and cladding
2Finnishsulkubracket; blockade; lock
3Finnishsulkeato close, shut; to turn off, to switch off
4Proto-Finnicsülkedäkto spit
5Proto-Finno-Permicśulke-

via Finnish levy

StepLanguageWordMeaning
1Finnishlevyplate; board; slab
Every word from Proto-Finno-Permic śulke-Every word from Proto-Finnic sülkedäkEvery word from Finnish sulkea