'unaccredited' originates from the prefix 'un-' meaning 'not' and the word 'accredited', which comes from Latin 'accreditare', meaning 'to give credit to'.

'accreditare' transformed into the French word 'accréditer', and eventually became the modern English word 'accredit'. The prefix 'un-' was added to form 'unaccredited'.

Initially, 'accredit' meant 'to give credit to', and 'unaccredited' evolved to mean 'not officially recognized'.