'uncertainly-structured' originates from the combination of 'uncertainly' and 'structured', where 'uncertainly' is derived from 'uncertain', meaning 'not sure or definite', and 'structured' from 'structure', meaning 'the arrangement of and relations between the parts or elements of something complex'.

'Uncertainly' evolved from the Old French word 'incertain', and 'structured' from the Latin word 'structura'.

Initially, 'uncertainly' meant 'not sure', and 'structured' meant 'arranged in a definite pattern'. Together, they evolved to describe something that lacks a clear or definite arrangement.