Where does “blāu” come from?

blāu (Old Frisian) comes from Proto-West Germanic blāu, from Proto-Germanic blēwaz, from Proto-Indo-European bʰlēw- — yellow, blond, grey.

Ancestry of “blāu”, step by step

StepLanguageWordMeaning
1Proto-West Germanicblāublue
2Proto-Germanicblēwazblue; a dark bluish or grey colour, black
3Proto-Indo-Europeanbʰlēw-yellow, blond, grey

Words derived from “blāu”

Every word from Proto-Indo-European bʰlēw- →Every word from Proto-Germanic blēwaz →Every word from Proto-West Germanic blāu →