TENEMENT n. 2 definitions
A dwelling house; a building for a habitation; also, an apartment, or suite of rooms, in a building, used by one family; often, a house erected to be rented.
THRESHOLD n.
The plank, stone, or piece of timber, which lies under a door, especially of a dwelling house, church, temple, or the like; the doorsill; hence, entrance; gate; door.