Where does “yellow-green” come from?

yellow-green (English) comes from English yellow, from Middle English yelow, from Old English ġeolu, from Proto-West Germanic gelu, from Proto-Germanic gelwaz, from Proto-Indo-European ǵʰelh₃wós, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

yellow-green (English): A yellowish-green colour

Definitions

  1. A yellowish-green colour

Ancestry of “yellow-green”, step by step

yellow-green traces back through two separate lines of ancestry.

via English yellow

StepLanguageWordMeaning
1EnglishyellowHaving yellow as its color; Lacking courage;...
2Middle Englishyelowyellow, yellowish, gold; yellow-coloured;...
3Old Englishġeoluyellow
4Proto-West Germanicgeluyellow
5Proto-Germanicgelwazyellow
6Proto-Indo-Europeanǵʰelh₃wósyellow, green
7Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow

via English Green

StepLanguageWordMeaning
1EnglishGreenOf, or pertaining, to a Green Party or green...
2Middle Englishgrenegreen
3Old Englishgrēnegreen
4Proto-West Germanicgrōnīgreen
5Proto-Germanicgrōnizgreen
6Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European ǵʰelh₃-Every word from Proto-Indo-European ǵʰelh₃wósEvery word from Proto-Germanic gelwaz
yellow-green — Etymology, Origin & Word History | Etymology Explorer