'accidentally' originates from Latin, specifically the word 'accidentalis,' where 'accidens' meant 'happening by chance.' 'Hurt' originates from Old French, specifically the word 'hurter,' meaning 'to strike or collide.'

'Accidentally' changed from the Latin word 'accidentalis' and eventually became the modern English word 'accidentally.' 'Hurt' transformed from the Old French word 'hurter' and eventually became the modern English word 'hurt.'

Initially, 'accidentally' meant 'happening by chance,' and this meaning has largely remained the same in modern usage. 'Hurt' initially meant 'to strike or collide,' but over time it evolved into its current meaning of 'to cause pain or injury.'