egress

Etymology 1

From Latin ēgressus, from ex- + gressus.

noun

1. An exit or way out.
   The window provides an egress in the event of an emergency.
   Egress traffic is network traffic that begins inside a network and proceeds through its routers to its destination somewhere outside the network. […] While network ingress filtering makes Internet traffic traceable to its source, egress filtering helps ensure that unauthorized or malicious traffic never leaves the network. 2019, Crystal Panek, Security Fundamentals, John Wiley & Sons, page 11
   We also found that the only emergency egress from the tram was by smashing the front or rear windscreens, and that emergency lighting had failed when the tram overturned. December 29 2021, Dominique Louis, “Causal analysis: crashworthiness at Sandilands”, in RAIL, number 947, page 33
2. The process of exiting or leaving.
   Buildings or portions thereof shall be provided with a means of egress system as required this chapter. The provisions of this chapter shall control the design, construction and arrangement of means egress components required to provide an approved means of egress from structures and portions thereof. 2003, International Building Code (IBC), Chapter 10 section 1001.1
3. (astronomy) The end of the transit of a celestial body through the disk of an apparently larger one.

Etymology 2

From Latin egressum, past participle egredi.

verb

1. (intransitive) To exit or leave; to go or come out.