Portuguese feio

← Asturian feu (cognate)

← Spanish feo (cognate)

← Galician feo (cognate)

← Proto-Indo-European *bʰoyǝ- (mention)

← Latin foedus (mention)

← Old Portuguese feo (mention)

→ Spanish feo (cognate)

→ Portuguese feiura (suffix)

→ Portuguese quem ama o feio, bonito lhe parece (mention)

→ Portuguese feioso (affix)