Where does “balla” come from?

balla (Frankish) comes from Proto-Germanic balluz, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “balla”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	balluz	round object, ball; ball of the hand, foot, etc
2	Proto-Indo-European	bʰel-	to sound; to speak, roar, bark; shiny, white; to...
3	Proto-Indo-European	bʰōl-	—

balla — Etymology, Origin & Word History | Etymology Explorer