Lewis Short
(adjective) : lixīvus, a, um, id.
* Made into lye: cinis lixiva,Scrib. Larg. 216; 230; Varr. ap. Plin. 36, 27, 69, § 202; 15, 17, 18, § 67: mustum lixivum,the must which flows from the grapes before they are pressed,Cato, R. R. 23.
* Subst.: lixīvum, i, n., lye, Pall. 2, 15, 18; and so perh. Col. 12, 50, 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary