Greek δύο

← Ancient Greek δύο (inherited)

← Proto-Hellenic *dúwō (inherited)

← Proto-Indo-European *duwó (mention)

← Proto-Indo-European *duwéh₃ (mention)

← Proto-Indo-European *dwóh₁ (mention)

→ Baluchi دو (cognate)

→ Greek δυόμισι (compound)

→ Persian دو (cognate)

→ Northern Kurdish du (cognate)

→ Pashto دوه (cognate)