Ancient Greek τεσσαράκοντα

← Proto-Indo-European *kʷetwr̥̄ḱomt (inherited)

← Proto-Indo-European *kʷetwr̥(d)ḱomt (mention)

← Latin quadrāgintā (cognate)

← Sanskrit चत्वारिंशत् (cognate)

← Old Armenian քառասուն (cognate)

→ Greek σαράντα (inherited)