/ˈɔːdɪt/
[noun] An official examination of financial accounts or processes to check that everything is correct and honest. It can also refer to any careful review of a system or organisation.
An audit was originally a spoken event — accounts were literally read aloud and heard, not read silently on paper.
The word 'audit' travels straight from the Latin verb *audire*, meaning 'to hear'. In ancient Rome, *audire* described the simple, powerful act of listening — the same root that gives us 'audience', 'audio', and 'auditorium'. But how did hearing become accounting? The answer lies in the medieval world, where most people could not read.
In the Middle Ages, financial accounts were not checked by inspectors sitting silently over ledgers. Instead, an official — or a panel of officials — would gather, and a clerk or steward would read the accounts aloud. The listeners would hear each figure, challenge errors by ear, and approve or reject the record through spoken debate. The event was therefore literally a *hearing* of the accounts. The Latin *auditus*, the past participle of *audire* meaning 'a hearing', became the standard term for this occasion.
The word entered English in the 15th century, arriving through the tradition of medieval Latin used in government and legal administration across England. The earliest English uses describe the formal annual hearing at which a lord or institution would listen to a steward's accounts of rents, expenses, and income. To 'audit' something was to subject it to this spoken scrutiny. The noun came first; the verb followed naturally, as it so often does in English.
Over time, as literacy spread and written records became the normal way to keep and check accounts, the word survived its original meaning. The 'hearing' became a reading, then an inspection, then a formal professional process — but the word itself preserved the ghost of those medieval gatherings where numbers were spoken into the air. By the 17th and 18th centuries, 'audit' had settled firmly into the world of finance and law as we know it today.
What makes this word especially alive is the family it belongs to. Latin *audire* → English 'audible' (able to be heard), Latin *audire* → Latin *auditorium* → English 'auditorium' (a place for hearing), and Latin *audire* → Latin *audiens* → English 'audience' (those who listen). Every one of these words carries the same ancient idea of the ear receiving sound. When a company faces an audit today, it is — in a quiet etymological sense — still being called upon to give account of itself before an audience of listeners.