passageway
//ˈpæsɪdʒˌweɪ//
Noun
passagewaySingular
passagewaysPlural
1
A narrow corridor or hallway that allows passage between rooms or buildings.
The passageway between the two buildings was dark and narrow.
2
An underground or enclosed route used for travel or access.
We walked through a narrow underground passageway to reach the other building.