←
Proto-Germanic *regną (inherited)←
Proto-West Germanic *regn (inherited)→
German Regen (inherited)→
Central Franconian Rään (inherited)→
Alemannic German regu (inherited)→
Alemannic German räge (inherited)→
Alemannic German rägä (inherited)→
Luxembourgish Reen (inherited)→
Mòcheno reng (inherited)→
Old Norse regn (cognate)→
Pennsylvania German Regge (inherited)→
Yiddish רעגן (inherited)