'frenzy' originates from Middle English, specifically the word 'frenesie,' where 'frenesie' meant 'delirium.'

'frenesie' changed from Old French word 'frenesie' and eventually became the modern English word 'frenzy'.

Initially, it meant 'delirium or madness,' but over time it evolved into its current meaning of 'wild excitement or uncontrolled activity.'