dē-verbĕro, āvi, ātum, 1,
v. a., to thrash or cudgel soundly (very rare): homines deverberasse usque ad necem, Ter. Phorm. 327: servum, Lact. 2, 7, 20 (al. diverb.).
dē-verberō āvī, —, āre, to thrash, cudgel soundly: homines usque ad necem, T. ...
An Elementary Latin Dictionary