ˈantēˌ-, ˈaan-, -tə̇- noun
Etymology: alteration (influenced by ante- ) of earlier antichamber, from French antichambre, from Middle French (part translation of Italian anticamera, from anti- — from Latin ante- ante- — + camera room), from Italian anti- + Middle French chambre room — more at chamber
: a room or foyer placed before and leading into a chief apartment and serving as a waiting room