gar·nish / ˈgärnish/ • v. [tr.] 1. decorate or embellish (something, esp. food): salad garnished with an orange slice.2. Law serve with a garnishment. ∎  seize (money, esp. part of a person's salary) to settle a debt or claim: the IRS garnished his earnings.• n. a decoration or embellishment for something, esp. food.

garnish
A. furnish, fit out, embellish XIV (now obs. or rhet., exc. for embellishing a dish of food XVIII);

B. (leg.) warn, as with a notice XVI. — (O)F. garniss-, lengthened stem (see -ISH2) of g(u)arnir :- Gmc. *warnjan, prob. rel. to warnējan, *-ōjan become aware, (hence) guard, defend, provide for (see WARN).
Hence garnishee (leg.) XVII. So garniture furniture, outfit XVI; ornament XVII; (of a dish) XVIII.

garnish Small pieces of vegetables, herbs, croûtons, pastry, etc., used to decorate a dish before serving.

Garnish

a set of dishes, etc., for the table.

Examples: garnish of vessels, 1440.