εἰμί
eimí
i-mee'
the first person singular present indicative; a prolonged form of a primary and defective verb; I exist (used only when emphatic). See also εἶ, εἴην, εἶναι, εἰσί, ἦν, ἔσομαι, ἐσμέν, ἐστέ, ἐστί, κέρδος, ἴσθι, ὦ.

KJV translates as: am, have been, X it is I, was