ὑπάρχω

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

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)