Where does “kupusuojain” come from?

kupusuojain (Finnish) comes from Finnish suojain, from Finnish suojata, from Finnish suoja, from Proto-Finnic sooja, from Russian со́я, from Dutch soja, from Japanese そい, from Japanese 醤油 — bean paste.

kupusuojain (Finnish): ear muff

Definitions

  1. ear muff

Ancestry of “kupusuojain”, step by step

kupusuojain traces back through two separate lines of ancestry.

via Finnish suojain

StepLanguageWordMeaning
1Finnishsuojainprotective device; Genitive plural form of...
2Finnishsuojatato protect, shield
3Finnishsuojashelter; protective covering; refuge
4Proto-Finnicsoojashelter; protection; warm
5Russianсо́яjay {{i|dialectal}}
6Dutchsojasoy
7Japaneseそい醤油 soy sauce
8Japanese醤油soy sauce
9Middle Chinese醬油
10Middle Chinesebean paste

via Finnish kupu

StepLanguageWordMeaning
1Finnishkupudome; canopy; crop, craw
2Proto-Finnickupucrop, craw
Every word from Middle Chinese Every word from Middle Chinese 醬油Every word from Japanese 醤油