Where does “regenboge” come from?

regenboge (Middle Dutch) comes from Old High German reginbogo, from Proto-Germanic regnabugô, from Proto-Germanic bugô, from Proto-Indo-European bʰugʰ-, from Proto-Indo-European bʰewgʰ- — to bend; curve, arch.

Ancestry of “regenboge”, step by step

regenboge traces back through two separate lines of ancestry.

via Old High German reginbogo

StepLanguageWordMeaning
1Old High Germanreginbogorainbow
2Proto-Germanicregnabugôrainbow
3Proto-Germanicbugôbow
4Proto-Indo-Europeanbʰugʰ-bow; arch
5Proto-Indo-Europeanbʰewgʰ-to bend; curve, arch

via Old Dutch reganbogo

StepLanguageWordMeaning
1Old Dutchreganbogo

Words derived from “regenboge

Every word from Proto-Indo-European bʰewgʰ-Every word from Proto-Indo-European bʰugʰ-Every word from Proto-Germanic bugô