Where does “Ripuarius” come from?

Ripuarius (Latin) comes from Latin rīpa, from Proto-Italic reipā, from Proto-Indo-European h₁réyp-eh₂.

Ancestry of “Ripuarius”, step by step

Step	Language	Word	Meaning
1	Latin	rīpa	—
2	Proto-Italic	reipā	—
3	Proto-Indo-European	h₁réyp-eh₂	—

Ripuarius — Etymology, Origin & Word History | Etymology Explorer