Passkey (noun)

A key or code that allows access to a restricted area or system.

Origin:

From the verb "pass" meaning "to go through" and "key" meaning "a device for opening locks".

Examples:

1. He used the passkey to gain access to the restricted area.
2. The passkey is required to enter the building after hours.
3. The employee was issued a passkey to access the server room.
4. The passkey is a combination of letters and numbers that is used to unlock the door.
5. The passkey is a security measure to ensure that only authorized personnel can enter the building.