The story
Blend of bed(room) + sit(ting room). First attested in 1900.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A form of rented accommodation consisting of a single room for use as both sitting room and bedroom; there may also be a small kitchen area and washing and toilet facilities, but these amenities are more commonly outside the room and shared by several tenants. Full definition →
Blend of bed(room) + sit(ting room). First attested in 1900.
Etymology from Wiktionary, CC BY-SA 4.0.