'account' originates from Old French, specifically the word 'acont', where 'a-' meant 'to' and 'compt' meant 'count'.

'acont' transformed into the Middle English word 'acount', and eventually became the modern English word 'account'.

Initially, it meant 'to count or reckon', but over time it evolved into its current meaning of 'a record or statement of financial expenditure'.