Strong’s Greek
G1498 — eien
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
εἰμί
eien — pronounced i'-ane
optative (i.e. English subjunctive) present of 1510 (including the other person); might (could, would, or should) be:--mean, + perish, should be, was, were. see GREEK for 1510
0 occurrences in the KJV.