Where does “sojaboon” come from?

sojaboon (Dutch) comes from Dutch boon, from Middle Dutch bône, from Old Dutch bōna, from Proto-West Germanic baunu, from Proto-Germanic baunō, from Proto-Indo-European bʰabʰ- — bean.

sojaboon (Dutch): soybean

Definitions

soybean

Ancestry of “sojaboon”, step by step

sojaboon traces back through two separate lines of ancestry.

via Dutch boon

Step	Language	Word	Meaning
1	Dutch	boon	bean
2	Middle Dutch	bône	bean
3	Old Dutch	bōna	bean
4	Proto-West Germanic	baunu	bean
5	Proto-Germanic	baunō	bean
6	Proto-Indo-European	bʰabʰ-	bean

via Dutch soja

Step	Language	Word	Meaning
1	Dutch	soja	soy
2	Japanese	そい	醤油 soy sauce
3	Japanese	醤油	soy sauce
4	Middle Chinese	醬油	—
5	Middle Chinese	醬	bean paste

Every word from Proto-Indo-European bʰabʰ- →