ἤ
ḗ
ay
a primary particle of distinction between two connected terms; disjunctive, or; comparative, than. Often used in connection with other particles. Compare especially ἤδη, ἤπερ, ἤτοι.

KJV translates as: and, but (either), (n)either, except it be, (n)or (else), rather, save, than, that, what, yea