Where does “blowu” come from?

blowu (Xhosa) comes from Afrikaans blou, from Dutch blauw, from Middle Dutch blau, from Old Dutch blāo, from Proto-West Germanic blāu, from Proto-Germanic blēwaz, from Proto-Indo-European bʰlēw- — yellow, blond, grey.

Ancestry of “blowu”, step by step

StepLanguageWordMeaning
1Afrikaansbloublue
2Dutchblauwblue; visibly bruised, as in blauwe plek 'a...
3Middle Dutchblaublue; the colour blue
4Old Dutchblāoblue
5Proto-West Germanicblāublue
6Proto-Germanicblēwazblue; a dark bluish or grey colour, black
7Proto-Indo-Europeanbʰlēw-yellow, blond, grey
Every word from Proto-Indo-European bʰlēw- →Every word from Proto-Germanic blēwaz →Every word from Proto-West Germanic blāu →