'abrenunciate' originates from Latin, specifically the word 'abrenuntiare,' where 'ab-' meant 'away' and 'renuntiare' meant 'to announce or declare.'

'abrenuntiare' transformed into the Medieval Latin word 'abrenunciare,' and eventually became the modern English word 'abrenunciate.'

Initially, it meant 'to announce away or renounce,' and this meaning has largely remained the same in modern usage.