ὑπάρχω
hypárchō
hoop-ar'-kho
Greek: Verb
from ὑπό and ἄρχομαι; to begin under (quietly), i.e. come into existence (be present or at hand); expletively, to exist (as copula or subordinate to an adjective, participle, adverb or preposition, or as an auxiliary to a principal (verb).

KJV translates as: after, behave, live