Metaphysical meaning of Zereth–shahar (mbd)
Zereth–shahar (A. V., Zareth–shahar), ze'–reth–sha'–har (Heb.) -- breaking forth of light; brilliance of the dawn; aurora's splendor; brightness of the morning.
Meta. The wonderful illumination and glory, the spiritual uplift, the ecstasy, that so often accompany the inflow of new spiritual understanding, or light, into the consciousness of man after a period of trial or seeming darkness. (Zereth–shahar means breaking forth of light, aurora's splendor, brilliance of the dawn, brightness of the morning, and was a city of Reuben, east of the Jordan. Reuben refers to the "seeing" faculty in man; east signifies the within, whence the light of Spirit comes.)