Where does “rein” come from?
rein (Middle Dutch) comes from Old Dutch regan, from Proto-West Germanic regn, from Proto-Germanic regną, from Proto-Indo-European Hreǵ- — to flow.
rein (Middle Dutch) comes from Old Dutch regan, from Proto-West Germanic regn, from Proto-Germanic regną, from Proto-Indo-European Hreǵ- — to flow.