heos (Greek #2193)
a conjunction, preposition and adverb of continuance, until (of time and place)
KJV usage: even (until, unto), (as) far (as), how long, (un-)til(-l), (hither-, un-, up) to, while(-s).
Pronounce: heh'-oce
Origin: of uncertain affinity
an (Greek #302)
a primary particle, denoting a supposition, wish, possibility or uncertainty
KJV usage: (what-, where-, wither-, who-)soever. Usually unexpressed except by the subjunctive or potential mood. Also contracted for 1437.
Pronounce: an