Where does “pukusuoja” come from?

pukusuoja (Finnish) comes 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, from Middle Chinese 醬 — bean paste.

pukusuoja (Finnish): changing facility generic term for a place where one can change clothes in adequate privacy

Definitions

changing facility generic term for a place where one can change clothes in adequate privacy

Ancestry of “pukusuoja”, step by step

pukusuoja traces back through two separate lines of ancestry.

via Finnish suoja

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

via Finnish puku

Step	Language	Word	Meaning
1	Finnish	puku	suit set of clothes to be worn together, now especially a man's matching jacket and trousers
2	Zulu	mpuku	—
3	Proto-Bantu	*pʊ́kʊ̀	rat, mouse

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