Greek word
hypárchō
ὑπάρχω
What it means
to begin under, i.e. come into existence
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)
Where it comes from
from hypó (ὑπό) and árchomai (ἄρχομαι)