The word 'shampoo' comes from Hindi word 'champo'
The origin of the word 'shampoo', meaning a liquid preparation for washing hair, can be traced to the Hindi word 'champo', which means 'to press, knead the muscles'. The term shampoo is believed to have been first used in the mid-eighteenth century. It was later used in the context of 'washing the hair' in the 1860s.