ean (Greek #1437)
a conditional particle; in case that, provided, etc.; often used in connection with other particles to denote indefiniteness or uncertainty
KJV usage: before, but, except, (and) if, (if) so, (what-, whither-)soever, though, when (-soever), whether (or), to whom, (who-)so(-ever). See 3361.
Pronounce: eh-an'
Origin: from 1487 and 302
me (Greek #3361)
(adverb) not, (conjunction) lest; also (as an interrogative implying a negative answer (whereas 3756 expects an affirmative one)) whether
KJV usage: any but (that), X forbear, + God forbid, + lack, lest, neither, never, no (X wise in), none, nor, (can-)not, nothing, that not, un(-taken), without. Often used in compounds in substantially the same relations. See also 3362, 3363, 3364, 3372, 3373, 3375, 3378.
Pronounce: may
Origin: a primary particle of qualified negation (whereas 3756 expresses an absolute denial)
proteron (Greek #4386)
previously
KJV usage: before, (at the) first, former.
Pronounce: prot'-er-on
Origin: neuter of 4387 as adverb (with or without the article)