Lewis & Short

dē-sūdo, āvi, ātum, 1, v. n. and a. (mostly post-Aug.).

  1. I. Neutr., to sweat greatly.
    1. A. Lit., Cels. 6, 6, 29; Stat. Th. 3, 277.
    2. B. Trop., to exert or fatigue one’s self: in his (sc. exercitationibus ingenii) desudans atque elaborans, *Cic. de Sen. 11, 38: alio Marte, Claud. B. Get. 280; cf. id. in Eutrop. 2, 602: laboribus, Vulg. Eccl. 2, 19.
  2. II. Act., to sweat out, exude.
    1. A. Lit.: balsama, Claud. Epithal. Pall. et Celer. 123: pestem in amnes, id. in Rufin. 1, 304.
    2. B. Trop., to perform with exertion (qs. with sweating): excubias militiae, Sid. Ep. 6, 1.