digladiate
To fight like gladiators; to contend or dispute violently.
rare
Digladiating, like Æschines and Demosthenes, they reciprocally lay open each other's filthiness to the view and scorn of the world.
Where it comes from
From Latin digladiari, from di-, dis- + gladius (“a sword”).
Adapted from the Wiktionary entry digladiate (CC BY-SA 4.0).