Lewis & Short

Pausĭas, ae, m., = Παυσίας, a celebrated painter, a native of Sicyon, contemporary with Apelles, Plin. 21, 2, 3, § 4; 35, 11, 40, § 126.
Hence, Pausĭăcus, a, um, adj., of Pausias: tabella, Hor. S. 2, 7, 95.