A color that is also a verdict
In everyday English, black names the darkest color people can see: soot, coal, a moonless field, a hole that swallows light. It also labels coffee without milk, a chess side, a ledger that is in surplus, and, with a capital letter or without, people of African or other dark-skinned ancestry. The adjective has carried moral freight for centuries as well: a black look, black magic, a black day. That mix of hue, person, and judgment is not an accident of modern slang. It grew inside English from a native Germanic word that was already doing several jobs before the Norman Conquest.
From Old English, not from Latin
The origin of the word black is inheritance, not borrowing. Old English already had blæc, an adjective for something utterly dark, the color of soot or coal, and a related noun for the color itself and for ink. Middle English kept the form as blak, blake, and nearby spellings, and Modern English settled on black. The line is Germanic throughout. Cognates appear as Old Norse blakkr for dark, Old High German blah in compounds for ink-colored work, Old Saxon and Middle Dutch blac for ink, Swedish bläck for ink, and Dutch blaken for to burn or flame. None of that path runs through French or Latin as a loan. Latin niger and Greek melas were known to medieval scholars; they did not supply the everyday English color name.
First English use sits in the Old English period, before 1150. That dating places black among the inherited core of the language, not among later Romance loans. Yet in early English it was not the default word for the hue. The more usual Germanic color term was sweart, which survives as swart and swarthy. An Old English grammar by Ælfric even maps Latin niger to sweart and another dark Latin word, ater, to blac. Over later centuries black took over the basic slot, and sweart shrank to a literary remnant.
The burnt-and-shining problem
The deeper history is the part specialists will not tidy up. Many reconstructions set a Proto-West Germanic form *blak and a Proto-Germanic *blakaz, often glossed as burnt. From there, a common proposal links the adjective to an Indo-European base *bʰleg- meaning to burn, gleam, shine, or flash, the same family that yields Greek phlegein, to burn, and Latin flagrare, to blaze. Dutch blaken, to flame or scorch, is often cited as a living verb that still shows the fire sense.
There is an obvious snag. A root that means shine or burn brightly ought to produce words for brightness, not for the absence of light. English even has a close neighbor that did exactly that: Old English blāc, bright, shining, pale, which later feeds bleak and, in a related line, bleach. On purely formal grounds, black could sit on the same Germanic base as blank and verbs of flashing or gleaming. The expected meaning would then be shining or white, which is the reverse of what black now means.
The usual attempt to close the gap is a participle story. A verb meaning to burn brightly could have a past form meaning burnt, blackened by fire, then simply black. That is a plausible shift from charred wood to the color of charcoal, but it remains a hypothesis. Standard historical dictionaries treat the further etymology as uncertain and flag the semantic difficulty instead of treating the burnt-participle tale as settled fact. The honest version is that English inherited a dark-color adjective whose Germanic relatives often mean ink or burning, and that the Indo-European shine-and-burn connection is possible rather than proven.
Two words, one messy spelling
Old English distinguished blæc, black or swarthy, from blāc, pale or shining. The first had a short vowel; the second a long one. In later spelling the length mark vanished, and Middle English scribes wrote blac, blak, and blake for both. Period dictionaries note that it is often unclear whether a given line means dark or wan. The surname Blake can go either way: a pale person or a dark one. That is not folk etymology. It is a collision of two native adjectives that fire and ash made look related, whether or not they began as one root.
Morphology inside black itself is simple. There is no prefix to unpack. Later English built on the adjective: a verb to black or blacken from about 1200 onward, a noun for the color, for ink, and for mourning clothes from about 1400. Compounds then multiplied on the color sense and on the moral sense alike.
From hue to mood to money
Figurative uses follow the idea of light withdrawn. By about 1300 the color already stood for sin and sorrow. Late in the fourteenth century it could mean fierce, terrible, or wicked. By the 1580s a black art was necromancy, and black magic still carries that malignant, hidden sense. Latin niger had walked a similar road toward gloomy and malicious. English speakers did not need that model to make the metaphor, but the parallel shows how readily a dark hue becomes a moral weather report.
Other senses are more practical. Black of coffee with nothing added is recorded by 1796. In the black, for a surplus, is accounting slang from 1922, when credits stayed in black ink and losses in red. That last sense is a useful reminder: the word can mark profit as easily as mourning, depending on which book you open.
Use for people with dark skin is old in English. Old English already applied the adjective that way. As a noun for a dark-skinned or African person it is firmly attested from the 1620s, with earlier possible traces and with blackamoor from the 1540s. Those later social uses grew from the color term; they are not where the word began. The starting point is a native dark-color adjective that outcompeted sweart.
What the cognates still show
If you want a single concrete leftover of the older world, look at ink. Several continental cousins of black never became the ordinary word for the color of night. They stayed with dye, soot-black pigment, and writing fluid: Old Saxon blac, Middle Dutch blac, Swedish bläck. English kept both the hue and the ink sense in Old English, then let ink, a later word, take over the bottle. The color name remained. That split is a cleaner takeaway than any forced Indo-European fable: English black is a home-grown dark word whose relatives still smell of burnt pigment, and whose look-alike blāc once meant the opposite, pale and shining.