Lewis & Short

angustĭo, āvi, ātum, 1, v. a. [angustus], pr. to make narrow, to straiten; only trop. and in eccl. Lat. to straiten, hamper, distress: angustiatus prae pavore, Vulg. Jud. 13, 29: qui se angustiaverunt, ib. Sap. 5, 1: sed non angustiamur, ib. 2 Cor. 4, 8; 6, 12; ib. Heb. 11, 37.