Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
dē-verro (dīv-), ĕre, v. a., to sweep away, sweep out (very rare): devorare omnia ac deverrere, Lucil. ap. Non. 420, 7; Varr. ap. Aug. Civ. D. 6, 9; Col. 7, 4, 5.