Where does “erball” come from?

erball (Old Irish) comes from Proto-Celtic ballos, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “erball”, step by step

StepLanguageWordMeaning
1Proto-Celticballosmember, penis
2Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
3Proto-Indo-Europeanbʰōl-—

Words derived from “erball”

Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Celtic ballos →
erball — Etymology, Origin & Word History | Etymology Explorer