egression

[ih-gresh-uh n] /ɪˈgrɛʃ ən/
noun
1.
a going out; egress.
Origin
1500-10; < Latin ēgressiōn- (stem of ēgressiō) a going out, equivalent to ēgress(us), past participle of ēgredī (see egress) + -iōn- -ion
Can be confused
aggression, egression.