'dissatisfaction' originates from Latin, specifically the word 'satisfacere,' where 'dis-' meant 'apart' and 'satisfacere' meant 'to satisfy.'

'satisfacere' transformed into the Old French word 'satisfaire,' and eventually became the modern English word 'satisfaction' with the prefix 'dis-' added to indicate the opposite.

Initially, it meant 'not being satisfied,' and this meaning has largely remained the same in modern usage.