'uninvolved' originates from the prefix 'un-' meaning 'not' and the word 'involved', which comes from Latin 'involvere', meaning 'to roll into'.

'involvere' transformed into the Old French word 'envolver', and eventually became the modern English word 'involve'. The prefix 'un-' was added to form 'uninvolved'.

Initially, 'involve' meant 'to roll into', but over time it evolved into its current meaning of 'to include or engage'. 'Uninvolved' thus means 'not included or engaged'.