'dissatisfy' originates from the prefix 'dis-' meaning 'not' or 'opposite of' combined with 'satisfy', which comes from Latin 'satisfacere', where 'satis' meant 'enough' and 'facere' meant 'to make'.

'dissatisfy' evolved from the combination of 'dis-' and 'satisfy', which was derived from the Latin 'satisfacere'.

Initially, it meant 'not to make enough', but over time it evolved into its current meaning of 'to cause discontent'.