FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

esti εἰμί — es-tee' — third person singular present indicative of 1510; he (she or it) is; also (with neuter plural) they are:--are, be(-long), call, X can(-not), come, consisteth, X dure for a while, + follow, X have, (that) is (to say), make, meaneth, X must needs, + profit, + remaineth, + wrestle.

see GREEK for 1510