(1) 'achar, ("back side" as in the King James Version): "He led the flock to the back of the wilderness" (Ex 3:1), i.e. "to the pasture-lands on the other side of the desert from the Midianite encampments."
(2) 'achor, ("hinder part," "the West"): Used of God in an anthropomorphic sense ("Thou shalt see my back,"Ex 33:23) to signify "the after-glow of the Divine radiance," the faint reflection of God's essential glory. See alsoIsa 38:17and compare1Ki 14:9andNe 9:26.
(3) opisthen, ("back side"): "A book written within and on the back" (Re 5:1), "but the back of a book is not the same as the reverse side of a roll. John was struck, not only with the fact that the roll was sealed, but also with the amount of writing it contained" (HDB, I, 231). CompareEze 2:10.
M. O. Evans