Strong's G2193 — ἕως (conjunction)
heos (heh'-oce) conj.
1. a conjunction, preposition and adverb of continuance, until (of time and place)
[of uncertain affinity]
KJV: even (until, unto), (as) far (as), how long, (un-)til(-l), (hither-, un-, up) to, while(-s) 
Occurrences: 146