noun / verb
ingress
IN-gres/ˈɪnɡres/
Entry into a place or system.
The open doorway allows the people's ingress into the building.

Etymology
The pieces give the image of “stepping in.” Ingress names that inward movement and also the provision or entrance through which it is possible.
In context
maximize safety and provide Ingress and egress both for the routine vehicles and emergency vehicles that may need to access the site
More examples
- The seal protects the motor from water ingress.
- All network ingress passes through a firewall.
- Moisture can ingress through gaps around the window.
Forms
ingress · ingresses · ingressed · ingressing
Similar words
- entry
- The ordinary term for entering, without a technical tone.
- access
- Emphasizes the ability or permission to enter, rather than entering.
- penetration
- Suggests entry into or through a barrier or material.