Where does “regenen” come from?
regenen (Middle High German) comes from Old High German reganōn, from Proto-West Germanic *regnōn, from Proto-Germanic regnōną, from Proto-Germanic regną, from Proto-Indo-European Hreǵ- — to flow.
regenen (Middle High German) comes from Old High German reganōn, from Proto-West Germanic *regnōn, from Proto-Germanic regnōną, from Proto-Germanic regną, from Proto-Indo-European Hreǵ- — to flow.