Italian biavo

← Old French blou (borrowed)

← Proto-Germanic *blēwaz (derived)

← Proto-Indo-European *[[bʰleh₁-]]wos (derived)

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

← Italian blu (mention)

→ Italian blu (doublet)

→ Italian sbiadire (mention)

→ Italian flavo (doublet)