Where does “rapuntium” come from?

rapuntium (Latin) comes from Latin rapunculus, from Latin rapum, from Proto-Indo-European rap.

Ancestry of “rapuntium”, step by step

Step	Language	Word	Meaning
1	Latin	rapunculus	—
2	Latin	rapum	turnip
3	Proto-Indo-European	rap	—

rapuntium — Etymology, Origin & Word History | Etymology Explorer