Where does “galla” come from?

galla (Old English) comes from Proto-Germanic gallǭ, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

Ancestry of “galla”, step by step

StepLanguageWordMeaning
1Proto-Germanicgallǭgall, bile
2Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow
Every word from Proto-Indo-European ǵʰelh₃- →Every word from Proto-Germanic gallǭ →
galla — Etymology, Origin & Word History | Etymology Explorer