Lewis & Short

ex-sūco (exūco, exsucco), āre, v. a. [sucus], to deprive of juice, extract the juice of: marrubium, Cael. Aur. Tard. 2, 14, 106; 2, 29, 255: decoctus exsucatusque, Cassiod. Inst. Div. Lit. 1.