Read the dictionary definition of egress. All definitions for this word.
1. the act of coming (or going) out; becoming apparent
2. the becoming visible
1. not a day's difference between the emergence of the andrenas and the opening of the willow catkins
3. (astronomy) the reappearance of a celestial body after an eclipse
4. come out of
1. Water issued from the hole in the wall
2. The words seemed to come out by themselves