'emphasizer' originates from the English word 'emphasize,' which comes from the Greek word 'emphainein,' where 'em-' meant 'in' and 'phainein' meant 'to show.'

'emphainein' transformed into the Latin word 'emphasize,' and eventually became the modern English word 'emphasize' through Middle English.

Initially, it meant 'to show or display,' but over time it evolved into its current meaning of 'to give special importance or prominence to something in speaking or writing.'