'roughly-altered' originates from the combination of 'roughly' and 'altered', where 'roughly' means 'in a manner lacking precision' and 'altered' means 'changed or modified'.

'roughly' and 'altered' have been used in English since the Middle Ages, with 'roughly' deriving from the Old English 'ruh' and 'altered' from the Latin 'alterare'.

Initially, 'roughly' meant 'in a rough manner', and 'altered' meant 'changed'. Together, they convey a sense of imprecise modification.