Where does “kuulosuojain” come from?

kuulosuojain (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.

kuulosuojain (Finnish): hearing protector

Definitions

  1. hearing protector

Ancestry of “kuulosuojain”, step by step

kuulosuojain 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 kuulo

StepLanguageWordMeaning
1FinnishkuuloThe sense of hearing
2Finnishkuullato hear; to hear of; to listen to
3Proto-Finnickuuldakto hear
4Proto-Uralic*kuwle-to hear
Every word from Middle Chinese Every word from Middle Chinese 醬油Every word from Japanese 醤油