'unproblematic' originates from the prefix 'un-' meaning 'not' and the word 'problematic,' which comes from the Greek word 'problematikos,' where 'problema' meant 'problem.'

'problematikos' transformed into the Latin word 'problematicus,' and eventually became the modern English word 'problematic,' with 'un-' added to form 'unproblematic.'

Initially, 'problematikos' meant 'pertaining to a problem,' but 'unproblematic' evolved to mean 'not causing problems.'