Where does “Spargelbohne” come from?

Spargelbohne (German) comes from German Spargel, from Middle High German sparge, from Medieval Latin sparagus, from Ancient Greek ἀσπάραγος, from Ancient Greek ἀσφάραγος, from Proto-Indo-European (s)pregʰ — to jerk, to scatter.

Spargelbohne (German): asparagus bean, yardlong bean

Definitions

asparagus bean, yardlong bean

Ancestry of “Spargelbohne”, step by step

Spargelbohne traces back through two separate lines of ancestry.

via German Spargel

Step	Language	Word	Meaning
1	German	Spargel	asparagus
2	Middle High German	sparge	—
3	Medieval Latin	sparagus	—
4	Ancient Greek	ἀσπάραγος	asparagus; young shoots
5	Ancient Greek	ἀσφάραγος	throat, gullet; asparagus; shoots of other plants
6	Proto-Indo-European	(s)pregʰ	to jerk, to scatter

via German Bohne

Step	Language	Word	Meaning
1	German	Bohne	bean
2	Middle High German	bone	bean
3	Old High German	bōna	A bean
4	Proto-West Germanic	baunu	bean
5	Proto-Germanic	baunō	bean
6	Proto-Indo-European	bʰabʰ-	bean

Every word from Proto-Indo-European (s)pregʰ →Every word from Ancient Greek ἀσφάραγος →Every word from Ancient Greek ἀσπάραγος →