Where does “vierasvara” come from?

vierasvara (Finnish) comes from Finnish vieras, from Proto-Finnic veeras, from Proto-Finnic veeri, from Proto-Finno-Permic wäre.

Ancestry of “vierasvara”, step by step

vierasvara traces back through two separate lines of ancestry.

via Finnish vieras

StepLanguageWordMeaning
1Finnishvierasunfamiliar; foreign; guest, visitor
2Proto-Finnicveerasguest, visitor; stranger; strange, foreign,...
3Proto-Finnicveeriside, flank; edge
4Proto-Finno-Permicwäre

via Finnish vara

StepLanguageWordMeaning
1Finnishvarareserve, backup; resources, reserves, funds,...
2Proto-Germanicwarōattention, care
3Proto-Indo-Europeanwēr-true
4Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel
Every word from Proto-Finno-Permic wäreEvery word from Proto-Finnic veeriEvery word from Proto-Finnic veeras