/ʌnˈtɪl/·preposition/conjunction·c. 1200 CE (northern Middle English); component 'till' attested earlier, before c. 1000 CE·Established
Origin
A tautological Norse compound — und ('up to') + til ('to/goal') — born in Danelaw contact zones c. 1200, where both halves independently meant 'as far as.' It displaced native Old English oþ/oþþæt. Contrary to widespread belief, 'till' is centuriesolder than 'until' — the apostrophe form 'til corrects a phantom abbreviation.
Definition
A function word indicating the continuation of an action or state up to a specified point in time or event; a tautological compound from Old Norse und (up to) + til (to), literally 'up-to-to.'
The Full Story
Old Norse (compound)c. 1200 CEwell-attested
English 'until' is a tautological compound from two Old Norseelements that independently mean 'up to.' The first, und (up to, as far as), traces to Proto-Germanic *und-, from PIE *h₂ent- ('front, before') — the same root behind Latin ante and Greek antí. The second, til (to, toward), descends from Proto-Germanic *tilą ('goal, fixed point'), connected to PIE *dēl- ('to aim, reckon') — the source of German Ziel ('target'). Both halves express extent toward a boundary; the compound says 'up-to-to,' an emphatic pleonasm born from Danelaw contact zones where Norse and English
Did you know?
English 'till' and German Ziel ('goal, target') are the same word. Both descend from Proto-Germanic *tilą, meaning 'endpoint, fixed point.' German kept it as a noun — the bullseye on a target, the finish line of a race. Old Norse turned it into a preposition meaning 'to, toward.' English borrowed that preposition and then compounded it with und ('up to') to make
'untill' persisted into the 17th century. The modern apostrophe form 'til is a hypercorrection — 'till' was never derived from the longer form. Key roots: *h₂ent- (Proto-Indo-European: "front, forehead, before — source of the directional prefix und- meaning 'up to, as far as'"), *dēl- (Proto-Indo-European: "to aim, to reckon, to set a goal — the purposive root behind Proto-Germanic *tilą"), *und- (Proto-Germanic: "up to, as far as — directional particle preserved in Old Norse und and Gothic und"), *tilą (Proto-Germanic: "goal, fixed point, destination — the noun behind Old Norse til and German Ziel ('target')").