'atypically-structured' originates from the prefix 'a-' meaning 'not' or 'without' and 'typical,' which comes from the Greek word 'typos,' meaning 'model' or 'type.' 'Structured' is derived from the Latin 'structura,' meaning 'a fitting together, building.'

'Atypical' evolved from the Greek 'atypikos,' and 'structured' from the Latin 'structura.' The combination of these words formed the modern English term 'atypically-structured.'

Initially, 'atypical' meant 'not conforming to the type,' and 'structured' meant 'arranged in a definite pattern.' Together, they evolved to describe something that does not follow a standard pattern.