/pɜːrdʒ/
[verb] To remove something unwanted, harmful, or impure from a place, group, or system, often completely and forcefully. It can also mean to clear someone of blame or guilt, or to clean out the body.
The word 'purge' hides a secret: it literally meant 'to make pure' — yet history made it a word for mass killings.
The story of 'purge' begins in ancient Rome, where the Latin verb *purgare* meant simply 'to make clean' or 'to make pure'. This word was itself a contraction of two older Latin elements: *purus*, meaning 'clean' or 'pure', and *agere*, meaning 'to do' or 'to drive'. So at its heart, *purgare* meant something like 'to drive toward purity'. It was a practical, even wholesome word — used for cleaning houses, clearing fields, and purifying the body.
The Latin *purgare* passed into Old French as *purgier* and *purger*, where it kept much of its original sense of cleansing and clearing. It was through this Old French channel that the word entered Middle English in the 14th century, appearing in texts both medical and religious. Early English writers used 'purge' to describe the body expelling illness — a doctor might purge a patient using herbs or medicines — and also to describe the soul being cleansed of sin.
The religious dimension of the word was enormously powerful in medieval Europe. The concept of *purgatory* — the place where souls are purified before reaching heaven — comes directly from the same Latin root: *purgare* → Medieval Latin *purgatorium* → Old French *purgatoire* → Middle English *purgatori*. To 'purge' one's sins was a deeply serious spiritual act, and the word carried a sense of necessary suffering in the service of ultimate purity.
Over time, 'purge' expanded into political life, and this is where its meaning grew darker. By the early modern period, rulers and governments were 'purging' their courts of enemies and traitors — removing people, not just impurities. The word took on a violent edge that its Latin ancestor never had. In the 20th century, 'purge' became associated with some of history's most brutal acts of political repression. Stalin's Great Purge of the 1930s, in which hundreds of thousands were arrested, exiled, or executed, burned this darker meaning permanently into the word's identity.
Today, 'purge' exists in two very different registers simultaneously. In everyday life, we might cheerfully 'purge' our wardrobes of old clothes or 'purge' a computer of unwanted files — a perfectly light, domestic use of the word. But in political or historical conversation, the same word immediately calls up images of authoritarian violence and mass removal. Few words in English carry such a wide emotional range, from the mundane to the murderous, all traced back to a Latin farmer cleaning out his barn or a Roman doctor clearing a fever.
The related word *pure* (from Latin *purus*) and the word *expurgate* — meaning to remove offensive parts from a book — share the same ancient root, as does *purify*, which traveled via Latin *purificare* into Old French *purifier* and then into English. Each of these words carries a faint echo of that original Roman impulse: to take something messy and make it clean.