Apartment (noun)

A suite of rooms in a building, typically one for living in, typically one on one floor of a multi-storey building.

Origin:

Early 17th century: from french appartement, from italian appartamento, from appartare "to separate", from a parte "apart".

Examples:

1. I live in a small apartment.
2. She rented an apartment in the city.
3. He owns an apartment in New York.
4. We're looking for a bigger apartment.
5. The apartment was on the top floor.