'ascetic' originates from Greek, specifically the word 'askētikos,' where 'askētēs' meant 'monk' or 'hermit.'

'askētikos' transformed into the Latin word 'asceticus,' and eventually became the modern English word 'ascetic' through Middle English.

Initially, it meant 'pertaining to the exercise or training of an athlete,' but over time it evolved into its current meaning of 'practicing strict self-denial as a measure of personal and especially spiritual discipline.'