Where does “blaw” come from?

blaw (Middle English) comes from Middle English blewe, from Anglo-Norman blew, from Middle French bleu, from Old French blöe, from Latvian blāvus, from Old High German blāo, from Proto-West Germanic blāu, from Proto-Germanic blēwaz — yellow, blond, grey.

Ancestry of “blaw”, step by step

StepLanguageWordMeaning
1Middle Englishbleweblue, azure; blue-violet; blue-grey; the colour...
2Anglo-Normanblewblue
3Middle Frenchbleublue
4Old Frenchblöeblue
5Latvianblāvusaccusative plural masculine form of blāvs
6Old High Germanblāoblue, dark, grey; blue; yellow
7Proto-West Germanicblāublue
8Proto-Germanicblēwazblue; a dark bluish or grey colour, black
9Proto-Indo-Europeanbʰlēw-yellow, blond, grey
Every word from Proto-Indo-European bʰlēw-Every word from Proto-Germanic blēwazEvery word from Proto-West Germanic blāu