'sarcastically' originates from the Greek word 'sarkazein,' where 'sarx' meant 'flesh' and 'azein' meant 'to tear.'

'sarkazein' transformed into the Late Latin word 'sarcasticus,' and eventually became the modern English word 'sarcastic' through Middle English.

Initially, it meant 'to tear flesh,' but over time it evolved into its current meaning of 'using irony to mock or convey contempt.'