Portuguese dois

← Proto-Indo-European *dwóh₁ (inherited)

← Proto-Italic *duō (inherited)

← Latin duōs (inherited)

← Latin duo (mention)

← Portuguese dous (mention)

← Old Portuguese dous (inherited)

→ Galician dous (cognate)

→ Indo-Portuguese doiz (derived)

→ Kristang dos (inherited)

→ Papiamentu dos (derived(pap/kea))

→ Papiamentu dos (derived)

→ Guinea-Bissau Creole dus (derived)