'unjustly-dismissed' originates from the combination of 'unjustly' and 'dismissed'. 'Unjustly' comes from 'unjust', which originates from Latin 'iniustus', where 'in-' meant 'not' and 'iustus' meant 'just'. 'Dismissed' comes from Latin 'dimittere', where 'dis-' meant 'apart' and 'mittere' meant 'send'.

'unjustly' changed from the Old French word 'injuste' and eventually became the modern English word 'unjust'. 'Dismissed' evolved from the Latin 'dimittere' through Old French 'desmettre'.

Initially, 'unjustly' meant 'not just', and 'dismissed' meant 'sent away'. Over time, 'unjustly-dismissed' evolved to mean 'dismissed in an unfair manner'.