Strong's Greek Dictionary
εἰμί (eien)
optative (i.e. English subjunctive) present of 1510 (including the other person); might (could, would, or should) be
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
James Strong, Strong's Greek Dictionary (1890) — public domain