vinaigrette (n.) Look up vinaigrette at Dictionary.com
1690s, a type of condiment, from French vinaigrette (14c.), diminutive of vinaigre "(aromatic) vinegar" (see vinegar). Use in reference to a type of dressing for salads or cold vegetables is attested from 1877. From 1811 as "small box or bottle for carrying aromatic vinegar."