'haphazardly-structured' is a compound word formed from 'haphazardly' and 'structured.' 'Haphazardly' comes from 'haphazard,' which originates from the English word 'hap' (meaning 'chance') and 'hazard' (meaning 'danger' or 'risk'), while 'structured' is the past participle of 'structure,' from Latin 'structura' meaning 'a fitting together, building.'

'Haphazardly-structured' is a modern English compound, combining the adverb 'haphazardly' and the adjective 'structured' to describe something built or organized in a random way.

The meaning has always referred to something organized in a random or chaotic manner, and this sense remains in modern usage.