Where does “rein” come from?

rein (Old Frisian) comes from Proto-West Germanic regn, from Proto-Germanic regną, from Proto-Indo-European Hreǵ- — to flow.

Ancestry of “rein”, step by step

StepLanguageWordMeaning
1Proto-West Germanicregnrain
2Proto-Germanicregnąrain
3Proto-Indo-EuropeanHreǵ-to flow

Words derived from “rein”

Every word from Proto-Indo-European Hreǵ- →Every word from Proto-Germanic regną →Every word from Proto-West Germanic regn →
rein — Etymology, Origin & Word History | Etymology Explorer