'inadvertently' originates from Latin, specifically the word 'inadvertentem,' where 'in-' meant 'not' and 'advertentem' meant 'turning the mind to.' 'Injured' originates from Latin, specifically the word 'injuriare,' where 'in-' meant 'not' and 'jurare' meant 'to swear.'

'inadvertently' changed from the Latin word 'inadvertentem' and eventually became the modern English word 'inadvertently.' 'Injured' transformed from the Latin word 'injuriare' and eventually became the modern English word 'injured.'

Initially, 'inadvertently' meant 'not turning the mind to,' and this meaning has largely remained the same in modern usage. 'Injured' initially meant 'not sworn,' but evolved to mean 'harmed or hurt.'