Gallapfel (German) comes from German Galle, from Middle High German galle, from Old High German galla, from Gaulish gallā, from Proto-Germanic gallǭ, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.
Gallapfel (German): oak apple, oak gall
Definitions
oak apple, oak gall
Ancestry of “Gallapfel”, step by step
Gallapfel traces back through two separate lines of ancestry.