amuletum
From LSJ
Latin > English (Lewis & Short)
ămŭlētum: i, n. (Arab. hamalet),
I a sympathetic preservative against sickness, etc., φυλακτήριον, an amulet (usu. hung around the neck): veneficiorum amuleta, Plin. 29, 4, 19, § 66; so id. 30, 15, 47, § 138 al.