Where does “blá” come from?

blá (Old Norse) comes from Proto-Germanic blēwaz, from Proto-Indo-European bʰlēw- — yellow, blond, grey.

Ancestry of “blá”, step by step

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

Words derived from “blá

Every word from Proto-Indo-European bʰlēw-Every word from Proto-Germanic blēwaz