'falsely-modified' originates from the combination of 'false' and 'modify'. 'False' comes from Latin 'falsus', meaning 'deceptive', and 'modify' comes from Latin 'modificare', meaning 'to measure or limit'.

'falsus' transformed into the Old French word 'fals', and eventually became the modern English word 'false'. 'Modificare' transformed into the Old French word 'modifier', and eventually became the modern English word 'modify'.

Initially, 'false' meant 'deceptive or untrue', and 'modify' meant 'to measure or limit'. Over time, 'falsely-modified' evolved to mean 'altered in a deceptive manner'.