Where does “ongelmasyöjä” come from?

ongelmasyöjä (Finnish) comes from Finnish syöjä, 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.

ongelmasyöjä (Finnish): problem eater

Definitions

problem eater

Ancestry of “ongelmasyöjä”, step by step

ongelmasyöjä traces back through two separate lines of ancestry.

via Finnish syöjä

Step	Language	Word	Meaning
1	Finnish	syöjä	eater
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 ongelma

Step	Language	Word	Meaning
1	Finnish	ongelma	problem, trouble; puzzle
2	Finnish	-lma	Forms nouns, mostly from verbs
3	Finnish	-ella	Forms . The resulting verb often describes a more...
4	Proto-Finnic	-eldak	Forms frequentative verbs
5	Proto-Uralic	-le-	—

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