single-car

The compound adjective "single-car" is a modern formation from two distinct roots. "Single" traces back to the Latin singulus, meaning "one, individual, separate," which itself may derive from the Proto-Indo-European root sem- (one). "Car" originates from the Latin carrus, a Gaulish loanword for a wheeled wagon, related to the Proto-Celtic karros. The logic of the compound is transparently literal, combining "one" with "vehicle" to create a descriptive term for scenarios, facilities, or designs intended for or limited to a solitary automobile, such as a garage or accident.

Structure: single (one) + car (automobile) - single: From Middle English, from Old French, from Latin singulus (one, individual). Functions as a numeral adjective. - car: From Middle English carre, from Anglo-Norman, from Latin carrum/carrus (wheeled vehicle). Functions as a noun, here used attributively.