'inconsistently-developed' originates from the combination of 'inconsistent' and 'developed'. 'Inconsistent' comes from Latin 'inconsistens', where 'in-' meant 'not' and 'consistens' meant 'standing firm'. 'Developed' comes from Old French 'desveloper', where 'des-' meant 'un-' and 'veloper' meant 'to wrap'.

'Inconsistently-developed' combines the English words 'inconsistent' and 'developed', which have evolved from their Latin and Old French roots respectively.

Initially, 'inconsistent' meant 'not standing firm', and 'developed' meant 'unwrapped'. Over time, 'inconsistently-developed' has come to mean 'developed in an irregular manner'.