μή

a negative particle, can function as a conj, not, for the particulars of its usage, especially as distinguished from that of οὐ, consult a grammar; as a conj., lest, that not, Mt. 5:29, 30; 18:10; 24:6; Mk. 13:36; μή, or μήτι, or μήποτε, when prefixed to an interrogative clause, it expresses an intimation either of the reality of the matters respecting which the question is asked, Mt. 12:23; or the contrary, Jn. 4:12