Latin bullio

← Middle Dutch puyl (cognate)

← Proto-Indo-European *bew- (root)

← Proto-Indo-European *bew- (derived)

← Latin bulla (mention)

← Lithuanian bule (cognate)

→ English buller (cognate)

→ Italian bulicare (mention)

→ Neapolitan bolle (derived)

→ Norman bouogi (derived)