Where does “päänsuojain” come from?

päänsuojain (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.

päänsuojain (Finnish): head protector

Definitions

  1. head protector

Ancestry of “päänsuojain”, step by step

päänsuojain 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 pää

StepLanguageWordMeaning
1Finnishpäähead; end, tip
2Proto-Finnicpäähead
3Proto-Uralicpäŋehead
Every word from Middle Chinese Every word from Middle Chinese 醬油Every word from Japanese 醤油