Meaning

noun a room or establishment where alcoholic drinks are served over a counter

noun tavern consisting of a building with a bar and public rooms; often provides light meals

noun a car that is closed and that has front and rear seats and two or four doors

originFrom Occitan salon, French salon, either augmentative of salle (“room”), or borrowed from Italian salone (“hall”), augmentative form of sala, salla (“room”); in both cases borrowed from a Germanic source such as Old High German sal (“house, hall”), from Proto-Germanic *salą, from Proto-Indo-European *sel- (“dwelling”). Doublet of salon.

Etymology from Wiktionary, CC BY-SA 3.0