noun / verb
floor
FLOR/flɔːr/
The bottom supporting surface of a room.
Sunlight falls across the wooden floor in the living room.

Etymology
Old English flor could mean pavement, ground, or even the bottom of a lake. A room’s floor shares that idea of a lower surface beneath what occupies a space.
In context
here he leveled floor he basically raised it up a little bit
More examples
- Please wipe up the water on the kitchen floor.
- The apartment has hardwood floors in every room.
- They plan to floor the kitchen with tile.
Forms
floor · floors · floored · flooring
floorboard noun — One of the boards forming a floor.