Where does “ban-” come from?

ban- (Old Irish) comes from Proto-Celtic *bano-, from Proto-Indo-European gʷḗn, from Proto-Indo-European gʷen- — woman.

Ancestry of “ban-”, step by step

StepLanguageWordMeaning
1Proto-Celtic*bano-—
2Proto-Indo-Europeangʷḗnwoman
3Proto-Indo-Europeangʷen-woman

Words derived from “ban-”

Every word from Proto-Indo-European gʷen- →Every word from Proto-Indo-European gʷḗn →Every word from Proto-Celtic *bano- →