'uproar' originates from Middle Dutch, specifically the word 'oproer,' where 'op-' meant 'up' and 'roer' meant 'motion or disturbance.'

'opreor' transformed into the Middle English word 'uprore,' and eventually became the modern English word 'uproar.'

Initially, it meant 'a disturbance or commotion,' and this meaning has largely remained the same in modern usage.