'cooperatively-built' originates from the word 'cooperate,' which comes from Latin, specifically the word 'cooperari,' where 'co-' meant 'together' and 'operari' meant 'to work.'

'cooperari' transformed into the English word 'cooperate,' and eventually became part of the compound adjective 'cooperatively-built.'

Initially, 'cooperate' meant 'to work together,' and this meaning has largely remained the same in modern usage, now applied to describe things built through cooperation.