ἐάν a conditional particle; in case that, provided, etc.; often used in connection with other particles to denote indefiniteness or uncertaintyDerivation: from G1487 and G302;KJV Usage: before, but, except, (and) if, (if) so, (what-, whither-)soever, though, when (-soever), whether (or), to whom, (who-)so(-ever). See G3361. G1487 G302 G3361
Thayer:1) if, in casePreceding count adjusted to remove occurrences where 1437 is used in a phrase that has another Strong's number assigned to it. J.B. Smith lists count at 341.
ἐάν ean eh-an' From G1487 and G302; 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 G3361.