What the word does now
In current English, torment names extreme pain or anguish, of the body or of the mind, and also the thing that produces it. A memory can be a torment. So can illness, guilt, or a swarm of insects. The matching verb means to inflict that kind of distress: sometimes with real cruelty, sometimes as a lesser, repeated vexation that wears a person down. Dictionaries still list a third, older use of the noun, the infliction of torture itself, but that is no longer the everyday reading.
Speech keeps a small trace of the split. The noun is stressed on the first syllable; the verb often falls on the second. That accent pattern is later English habit, not something inherited from Latin. The history underneath the word is older, and it is physical rather than psychological.
A French loan of the late 1200s
English did not inherit this word from Old English. It borrowed it. Both the noun and the verb surface in Middle English in the late thirteenth century, taken from Old French torment, also spelled tourment, and from the related verb tormenter. Anglo-French had the form turment as well. Modern French keeps tourment.
Sources agree on the path and differ only in how they round the date. The Oxford English Dictionary places the earliest English evidence around 1290, in the South English Legendary. Other standard handbooks say about 1300, or simply the thirteenth century. Either dating puts the word firmly in the medieval import layer, not among native Germanic survivals.
Old French had used torment since the eleventh century for torture, pain, and anguish. It sits in a Romance cluster: Italian tormento, Spanish and Portuguese tormento, Catalan turment. All of them go back to the same Latin noun, tormentum.
The instrument behind the feeling
Latin tormentum is a name for a tool. Historical linguists reconstruct an earlier *torque-mentum or *torquementum: something operated by twisting. The base is the verb torquēre, to twist, turn, or wrench. The ending is -mentum, a suffix that built nouns for devices and for the results of an action. English speakers did not add -ment to a native stem. The suffix was already inside the Latin word when French, and then English, took it over.
The Latin noun covered a family of objects whose shared feature was torsion: a twisted cord or rope, a clothes-press, a siege engine that hurled stones or darts by the stored force of twisted skeins, and a rack, because the rack also worked by twisting a body. From the instrument the word moved, still in Latin, to the pain the instrument produced, and then to anguish in a wider sense, including sickness and the pains of fortune or of love. Classical usage, as later dictionaries compiled it from Cicero, Caesar, and other writers, already holds both the artillery sense and the rack, then the transferred senses of torture, pain, and mental strain.
That military sense did not stop at the Channel. Middle English still used torment for a torsion engine. A Wycliffite Bible of the 1380s lists tourmentis among machines that cast stones and darts. The sense is gone from ordinary English now, but it shows how close the borrowed word still sat to its Latin range.
The same Latin verb later gave English a sibling, torture, from Late Latin tortura, a twisting or writhing. That noun arrives in English in the early fifteenth century and takes over much of the judicial-pain territory. Torque, contort, distort, extort, and retort are further members of the family. They are not descendants of torment. They are cousins from torquēre.
Behind Latin, etymologists reconstruct a Proto-Indo-European root *terkw- (also written *terkʷ-), meaning to twist or turn. Related forms outside Romance include Sanskrit tarkuh, a spindle; Old Church Slavonic traku, a band or girdle; Old High German drahsil, a turner; and modern German drechseln, to turn on a lathe. Closer to home, Old English þweorh meant transverse, perverse, or angry, and it survives in thwart. Those are cognates of the Latin verb, not of the English noun itself. Before the French loan arrived, English already had native words for suffering, including woe and the older bale, but they are not related in form.
From the rack to a state of mind
When the word first settled in English it still named the systematic infliction of physical pain, the suffering that followed, and the cause of that suffering. Middle English sources record both applied torture and the resulting agony, including hell-pain and spiritual distress. The verb tormenten, also from about 1290, meant to put someone to torture and also to distress or vex. By the mid-fourteenth century it could mean to oppress a people or a church. A late-fourteenth-century noun tormenterie covered the practice itself.
The judicial sense of inflicting severe bodily pain to punish or to extract a confession is recorded more sharply in the sixteenth century, around the 1550s, the same period when torture in that technical sense is being fixed in English. After that, torment does not disappear, but it broadens and, in everyday use, lightens. It keeps the high register of agony, yet it also names persistent mental strain and the lesser harassment of pests, children, or conscience. The verb can still mean to torture, but it is also the word for a horse driven mad by flies.
Two side-paths are worth noting because they look like etymology and are not. Some Middle English spellings mixed torment with tournament. That is a scribal and phonetic tangle: tournament comes from a different French word for a knightly tourney. Another, now obsolete, use of torment named a griping pain in the bowels, lining it up with medical tormina. The image is still the twist, but applied to the gut rather than the rack. The Oxford English Dictionary treats that bowel sense as a later, specialised development, not as the word’s starting point in English.
The machine that remains
The origin of the word torment is not first a story about feelings. It is a story about a thing you wound: a rope, a press, a stone-thrower, a rack. French had already shifted the weight onto pain before English borrowed the noun. English then let the war-engine sense fade, kept the rack long enough to share the field with torture, and settled on anguish as the ordinary meaning. The modern word still names a state of mind, but its shape, the tor- it shares with torture and torque, is the old twist, still visible once you know to look.