siccesco
Could not find siccescat in Logeion dictionaries.
siccescat present active subjunctive 3rd singular of siccesco
siccesco, ĕre, v. inch. n. [siccus],
- to grow or become dry, to dry up (not ante-Aug.), Cels. 7, 7, 15; Vitr. 2, 10; Col. 12, 28; Plin. 18, 34, 77, § 339.
siccēsco, ere (Inchoat. v. sicco), trocken werden, Vitr. u.a.: Ggstz. umesco, Plin. 18, 339.
siccēscō, ĕre (siccus), intr., devenir sec : Plin. 18, 339.