Where does “suojelutulli” come from?

suojelutulli (Finnish) comes from Finnish suojelu, from Finnish suojella, from Finnish suojata, from Finnish suoja, from Proto-Finnic sooja, from Russian со́я, from Dutch soja, from Japanese そい — bean paste.

Ancestry of “suojelutulli”, step by step

suojelutulli traces back through two separate lines of ancestry.

via Finnish suojelu

StepLanguageWordMeaning
1Finnishsuojeluprotection; conservation
2FinnishsuojellaTo protect, shelter
3Finnishsuojatato protect, shield
4Finnishsuojashelter; protective covering; refuge
5Proto-Finnicsoojashelter; protection; warm
6Russianсо́яjay {{i|dialectal}}
7Dutchsojasoy
8Japaneseそい醤油 soy sauce
9Japanese醤油soy sauce
10Middle Chinese醬油
11Middle Chinesebean paste

via Finnish tulli

StepLanguageWordMeaning
1Finnishtullicustoms; toll
2Swedishtulltoll; customs; custom house
3Proto-Germanictullōwhat is counted or told
4Latintoloneum
5Latinteloneumtoll booth; custom house
6Ancient Greekτελώνιονtoll-house
7Ancient Greekτελώνηςa farmer or collector or the tolls, customs or...
8Ancient Greekὠνέομαιto buy, purchase
9Ancient Greekὦνοςprice
10Proto-Indo-Europeanwosno-
11Proto-Indo-Europeanwesno-price
Every word from Middle Chinese