digladiate

From Latin digladiari, from di-, dis- + gladius (“a sword”).

digladiate (third-person singular simple present digladiates, present participle digladiating, simple past and past participle digladiated)

1. (rare) To fight like gladiators; to contend or dispute violently.
   • 1659, John Hales, Golden Remains:

     Digladiating, like Æschines and Demosthenes, they reciprocally lay open each other's filthiness to the view and scorn of the world.

   • 1659, Edward Reynolds, Brotherly Agreement:

     Warring and digladiating amongst themselves in controversies.