Emersion /(?)/

E·mer·sion

Emersion

n.
  1. The act of emerging, or of rising out of anything; as, emersion from the sea; emersion from obscurity or difficulties.
    Their immersion into water and their emersion out of the same.
    — Knatchbull.
  2. The reappearance of a heavenly body after an eclipse or occultation; as, the emersion of the moon from the shadow of the earth; the emersion of a star from behind the moon. (Astron.)