Where does “sisäverhoilu” come from?

sisäverhoilu (Finnish) comes from Finnish verhoilu, from Finnish verhoilla, from Finnish verhota, from Finnish verho, from Finnish -o, from Proto-Finnic -o, from Proto-Uralic -w.

Ancestry of “sisäverhoilu”, step by step

StepLanguageWordMeaning
1Finnishverhoiluupholstery
2FinnishverhoillaTo upholster
3FinnishverhotaTo curtain
4Finnishverhocurtain; window blind
5Finnish-oForms result or action nouns from verbs; Forms...
6Proto-Finnic-oForms action/result nouns from verbs
7Proto-Uralic-w—
Every word from Proto-Uralic -w →Every word from Finnish -o →Every word from Proto-Finnic -o →