(Con-di-ment) something used to enhance the flavor of food usually a pungent seasoning
In the 16th, 17th and 18th centuries new condiments were invented. Pesto sauce was invented in 16th century Italy. Furthermore new sauces were invented in the 17th century including bechamel and chasseur.
For centuries mustard was used as a medicine as well as a food.
One of the first dressings made in America was in 1896 by Joe Marzetti.