Where does “seinälevy” come from?

seinälevy (Finnish) comes from Finnish levy, from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

seinälevy (Finnish): wall board, wall panel

Definitions

  1. wall board, wall panel

Ancestry of “seinälevy”, step by step

seinälevy traces back through two separate lines of ancestry.

via Finnish levy

StepLanguageWordMeaning
1Finnishlevyplate; board; slab
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns

via Finnish seinä

StepLanguageWordMeaning
1Finnishseinäwall; mains; Essive singular form of sei
2Proto-Finnicsainawall
Every word from Proto-Finnic -u →Every word from Finnish -u →Every word from Finnish levy →