'unenthusiastically-made' originates from the prefix 'un-' meaning 'not,' combined with 'enthusiastically,' which comes from the Greek word 'enthousiasmos,' meaning 'inspiration or possession by a god,' and 'made,' from Old English 'macian,' meaning 'to create or produce.'

'enthousiasmos' transformed into the Latin 'enthusiasmus,' and eventually became the modern English word 'enthusiasm.' The prefix 'un-' was added to form 'unenthusiastically,' and combined with 'made' to form 'unenthusiastically-made.'

Initially, 'enthousiasmos' meant 'inspiration by a god,' but over time it evolved into its current meaning of 'intense enjoyment or interest.' The prefix 'un-' negates this meaning, indicating a lack of enthusiasm.