←
Proto-Indo-European *dew- (derived)
←
Old Latin duenos (inherited)
←
Latin bonus (inherited)
←
Piedmontese bona (cognate)
←
Romanian bonus (mention)
→
Romanian bunic (suffix)
→
Romanian nebun (prefix)
→
Romanian bună (mention)
→
Romanian bunuț (suffix)
→
Romanian bunel (suffix)
→
Aromanian bun (cognate)