Lewis & Short

ē-rūdĕro, no perf., ātum, 1, v. a., to clear from rubbish (very rare).

  1. I. Lit.: solum, Varr. R. R. 2, 2, 7.
  2. II. Trop.: volumen de supervacuis sententiis, Sid. Ep. 5, 15; 5, 7; Ambros. Ep. 22, 2.