roommate
UK: ˈruːmmeɪt | US: ˈruːmmeɪt
n. a person with whom one shares a room or living space.
The word "roommate" is a compound of "room" (from Old English rūm, meaning "space" or "chamber") and "mate" (from Middle Low German māt, meaning "companion" or "partner"). The term emerged in the early 19th century to describe individuals sharing a living space, reflecting the practical need for a concise term in communal living arrangements. The logic is straightforward: "room" denotes the shared physical space, while "mate" emphasizes the companionship or cohabitation aspect.
My roommate and I split the rent equally.
She became close friends with her college roommate.
Living with a messy roommate can be challenging.
He is looking for a new roommate to share the apartment.
They decided to be roommates after meeting at work.