Where does “гала” come from?

гала (Bulgarian) comes from German Gala, from Spanish gala, from Old Spanish gala, from Old French gale, from Old French galer, from Old French galle, from Latin galla, from Gaulish gallā — to flourish; green, yellow.

Ancestry of “гала”, step by step

StepLanguageWordMeaning
1GermanGalagala
2Spanishgalafeminine singular of galo; gala; elegant dress,...
3Old Spanishgala
4Old Frenchgalepomp; show; festivity; mirth; rejoicing
5Old Frenchgalerto rub; to scratch; to have fun; to enjoy oneself
6Old Frenchgalle
7Latingallathe oak apple, gall-nut; a harsh, sour kind of...
8Gaulishgallāvessel
9Proto-Germanicgallǭgall, bile
10Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow
Every word from Proto-Indo-European ǵʰelh₃-