walk-down
[ wawk-doun ]
/ ˈwɔkˌdaʊn /
noun
a store, living quarters, etc., located below the street level and approached by a flight of steps: It was a dimly lit walk-down optimistically called a garden apartment.
adjective
(of a store, restaurant, apartment, etc.) located below the level of the sidewalk: a popular walk-down nightclub in Greenwich Village.
Origin of walk-down
1905–10,
Americanism; noun, adj. use of verb phrase
walk down