'abnegator' originates from Latin, specifically the word 'abnegator', where 'ab-' meant 'away' and 'negare' meant 'to deny'.

'abnegator' changed from the Latin word 'abnegator' and eventually became the modern English word 'abnegator'.

Initially, it meant 'one who denies or renounces', and this meaning has largely remained the same in modern usage.