Catalan bo

← French bon (mention)

← Proto-Indo-European *dew- (derived)

← Old Latin duenos (inherited)

← Old Latin duonus (mention)

← Proto-Italic *dwenos (inherited)

← Latin bonus (inherited)

← Old Occitan bon (inherited)

← Portuguese bom (mention)

→ Catalan boníssim (suffix)

→ Catalan bonesa (suffix)

→ Catalan bombó (mention)