percaedo

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

per-caedo, cĕcīdi, caesum, v. a.,

to cut up completely = ad internecionem caedere (post-class.): exercitum, Flor. 3, 20, 10. (dub.; al. cecidit): terga hostium, id. 4, 12, 7.