Where does “suojaaminen” come from?

suojaaminen (Finnish) comes from Finnish suojata, from Finnish suoja, from Proto-Finnic sooja, from Russian со́я, from Dutch soja, from Japanese そい, from Japanese 醤油, from Middle Chinese 醬油 — bean paste.

Ancestry of “suojaaminen”, step by step

Step	Language	Word	Meaning
1	Finnish	suojata	to protect, shield
2	Finnish	suoja	shelter; protective covering; refuge
3	Proto-Finnic	sooja	shelter; protection; warm
4	Russian	со́я	jay {{i\|dialectal}}
5	Dutch	soja	soy
6	Japanese	そい	醤油 soy sauce
7	Japanese	醤油	soy sauce
8	Middle Chinese	醬油	—
9	Middle Chinese	醬	bean paste

Every word from Middle Chinese 醬 →Every word from Middle Chinese 醬油 →Every word from Japanese 醤油 →