ETYM Old Eng. roum, rum, space, as. rűm.
1. An area within a building enclosed by walls and floor and ceiling.
2. Opportunity for.
3. Space for movement; SYN. way, elbow room, space, clearance.
4. The people who are present in a room.

1. To occupy or share a room especially as a lodger
2. To accommodate with lodgings