Where does “rēgenen” come from?

rēgenen (Middle Low German) comes from Old Saxon regan, from Proto-West Germanic regn, from Proto-Germanic regną, from Proto-Indo-European Hreǵ- — to flow.

Ancestry of “rēgenen”, step by step

StepLanguageWordMeaning
1Old Saxonregan—
2Proto-West Germanicregnrain
3Proto-Germanicregnąrain
4Proto-Indo-EuropeanHreǵ-to flow
Every word from Proto-Indo-European Hreǵ- →Every word from Proto-Germanic regną →Every word from Proto-West Germanic regn →