Lewis & Short

sampsūchum (-sūchus, m., Cels. 5, 11: sampsūcum, Col. 10, 171), i, n., = σάμψυχον, marjoram: Origanum majorana, Linn.; Plin. 21, 11, 35, § 61; 21, 22, 93, § 163; Col. 10, 171.