'postpay' originates from the combination of the prefix 'post-' meaning 'after' and the verb 'pay', which comes from the Latin word 'pacare', meaning 'to appease or satisfy'.

'postpay' evolved from the concept of paying after receiving goods or services, a practice that has been common in various cultures.

Initially, it meant 'to pay after receiving goods or services', and this meaning has largely remained the same in modern usage.