Tartar Sauce
The name was created based on the ingredients. Tartar sauce is made with mayonnaise, chopped pickles, and lemon juice. So when they made it they said, "Mayonnaise and pickles would be tart, adding lemon juice will make it even TARTAR!" Tartar Sauce!
The mayonnaise was tart with pickles in it, after we add lemon juice it was even TARTAR SAUCE!
By Marcusantonioeldorado