A light meal or breakfast, or a ornamental table service used for serving such meals.
From French 'déjeuner' (breakfast), derived from 'dis-' (to break) and 'jeûne' (fast). In English, it refers both to the meal itself and to decorative breakfast sets popular in 18th-century Europe.
Wealthy Europeans in the 1700s created fancy porcelain 'dejeuner' sets—small table services with cups, saucers, and trays—showing how a simple meal word became fancy when aristocrats put gold paint on it.
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