noun / adjective
entry
EN-tree/ˈentri/
The act of coming into a place or activity.
The woman's entry carries her across the threshold from the doorstep into the room.

Etymology
The Old French noun was a participle of the verb 'to enter' used as a noun, giving the action a name. This sense preserves the concrete act of going in.
In context
Guyana is an excellent point of entry in and out of Brazil
More examples
- Her entry into politics surprises many of her friends.
- The police report describes a forced entry through the window.
- Repeated entries into the secure area require separate authorization.
Forms
entry · entries
enter verb — To come into a place or activity.