dē-verbĕro — Lewis & Short
dē-verbĕro, āvi, ātum, 1,
I v. a., to thrash or cudgel soundly (very rare):
homines deverberasse usque ad necem,Ter. Ph. 2, 2, 13:
servum,Lact. 2, 7, 20 (al. diverb.).