Proto-Germanic *regnabugô

→ English rainbow (inherited)

→ Afrikaans reënboog (inherited)

→ Old English regnboga (inherited)

→ Danish regnbue (derived)

→ German Regenbogen (inherited)

→ Old High German reginbogo (inherited)

→ Icelandic regnbogi (inherited)

→ Luxembourgish Reebou (inherited)

→ Norwegian Bokmål regnbue (derived)

→ Norwegian Bokmål regnboge (derived)

→ Dutch regenboog (inherited)

→ Norwegian Nynorsk regnboge (derived)

→ Old Norse regnbogi (inherited)

→ Saterland Frisian Rienbooge (derived)

→ Swedish regnbåge (derived)

→ Vilamovian rǡnabȫga (inherited)