Where does “graublau” come from?

graublau (German) comes from German Blau, from Middle High German blā, from Old High German blāo, from Proto-West Germanic blāu, from Proto-Germanic blēwaz, from Proto-Indo-European bʰlēw- — yellow, blond, grey.

graublau (German): grey-blue, powder blue

Definitions

  1. grey-blue, powder blue

Ancestry of “graublau”, step by step

graublau traces back through two separate lines of ancestry.

via German Blau

StepLanguageWordMeaning
1GermanBlauthe colour blue; a particular tone of blue; a...
2Middle High Germanblāblue
3Old High Germanblāoblue, dark, grey; blue; yellow
4Proto-West Germanicblāublue
5Proto-Germanicblēwazblue; a dark bluish or grey colour, black
6Proto-Indo-Europeanbʰlēw-yellow, blond, grey

via German Grau

StepLanguageWordMeaning
1GermanGraugrey
2Middle High Germangrā
3Old High Germangrāogrey
4Proto-Germanicgrēwazgrey
5Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European bʰlēw-Every word from Proto-Germanic blēwazEvery word from Proto-West Germanic blāu