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
eiserchomai (Greek #1525)
to enter (literally or figuratively)
KJV usage: X arise, come (in, into), enter in(-to), go in (through).
Pronounce: ice-er'-khom-ahee
Origin: from 1519 and 2064