Main Entry: ¹un·til

Pronunciation: \ən-ˈtil, -ˈtel; ˈən-ˌ, -t^əl\

Function: preposition

Etymology: Middle English, from un- (probably from Old Norse *und up to; akin to Old Norse unz up to, until, Old High German unt, Old English ende end) + til, till till

Date: 13th century

1 chiefly Scottish : to
2 —used as a function word to indicate continuance (as of an action or condition) to a specified time <stayed until morning>
3 : before 2 <not available until tomorrow> <we don't open until ten>