an (Greek #302)
a primary particle, denoting a supposition, wish, possibility or uncertainty
KJV usage: (what-, where-, wither-, who-)soever. Usually unexpressed except by the subjunctive or potential mood. Also contracted for 1437.
Pronounce: an
polis (Greek #4172)
a town (properly, with walls, of greater or less size)
KJV usage: city.
Pronounce: pol'-is
Origin: probably from the same as 4171, or perhaps from 4183