Where does “ȝelke” come from?

ȝelke (Middle English) comes from Old English ġeolca, 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.

Ancestry of “ȝelke”, step by step

ȝelke traces back through 3 separate lines of ancestry.

via Old English ġeolca

StepLanguageWordMeaning
1Old Englishġeolca—
2Old Englishġeoluyellow
3Proto-West Germanicgeluyellow
4Proto-Germanicgelwazyellow
5Proto-Indo-Europeanǵʰelh₃wósyellow, green
6Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow

via Old English ġeoloca

StepLanguageWordMeaning
1Old Englishġeolocayolk
2Old English-caCreates concrete masculine nouns from adjectives...
3Proto-Germanic-ukô—

via Old English ġioleca

StepLanguageWordMeaning
1Old Englishġiolecathe yellow part, yolk
Every word from Proto-Indo-European ǵʰelh₃- →Every word from Proto-Indo-European ǵʰelh₃wós →Every word from Proto-Germanic gelwaz →