noun
two adjoining rooms (connected by a sliding door)
Refers to a traditional Japanese architectural layout where two rooms are connected by a sliding door (fusuma), often used in inns or houses.
旅館の二間続きの部屋に泊まった。
We stayed in a room with two adjoining rooms at the inn.
Compound of 二間 (futama, 'two rooms') + 続き (tsuzuki, 'continuation, adjoining').