Ingress

n. [Lat. ingressus, from ingredi; It. ingresso, Sp. ingreso. See supra.]

1. Entrance; as, the ingress of air into the lungs.
2. Power or liberty of entrance or access; means of entering; as, all ingress was prohibited.
3. (Astron.) The entrance of the moon into the shadow of the earth in eclipses, the sun’s entrance into a sign, &c.