Italian duo

← Proto-Indo-European *dwóh₁ (inherited)

← Proto-Italic *duō (inherited)

← Latin duo (inherited)

→ English duo (derived)

→ English duet (mention)

→ French duo (borrowed)

→ Italian ambedue (affix)

→ Italian duodecuplo (prefix)

→ Italian duopolio (confix)

→ Italian duodecennale (prefix)

→ Italian duodecimale (prefix)

→ Dutch duo (derived)

→ Polish duo (borrowed)

→ Portuguese duo (borrowed)