[un.til] prep [ME, fr. un- up to, until (akin to OE oth to, until, OHG unt up to, until, OE ende end) + til, till till] (13c) 1 chiefly Scot: to 2--used as a function word to indicate continuance (as of an action or condition) to a specified time "stayed ~ morning"
3: before
2. "not available ~ tomorrow" "we don't open ~ ten"
[2]until conj (14c): up to the time that: up to such time as "play continued ~ it got dark" "never able to relax ~ he took up fishing" "ran ~ he was breathless"