'synergistic' originates from Greek, specifically the word 'synergos,' where 'syn-' meant 'together' and 'ergon' meant 'work.'

'synergos' transformed into the Late Latin word 'synergismus,' and eventually became the modern English word 'synergistic' through Middle English.

Initially, it meant 'working together,' but over time it evolved into its current meaning of 'producing a combined effect greater than the sum of individual effects.'