Where does “Blaualge” come from?

Blaualge (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.

Blaualge (German): blue-green alga

Definitions

  1. blue-green alga

Ancestry of “Blaualge”, step by step

Blaualge 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 alge

StepLanguageWordMeaning
1Germanalgealga
2LatinalgaSeaweed; plants that grow in freshwater;...
3Proto-Indo-Europeanalǵ-to be dirty, be slimy; frog; duckweed; to be...
Every word from Proto-Indo-European bʰlēw-Every word from Proto-Germanic blēwazEvery word from Proto-West Germanic blāu