'thoughtfully-managed' originates from the combination of 'thoughtful' and 'manage,' where 'thoughtful' means 'showing consideration for others' and 'manage' means 'to control or direct.'

'thoughtful' and 'manage' were combined to form the modern English term 'thoughtfully-managed.'

Initially, 'thoughtful' meant 'full of thought,' and 'manage' meant 'to handle or control.' Over time, 'thoughtfully-managed' evolved to mean 'managed with careful consideration.'