Probably strengthened from a collateral form of the base of trauma and tribos through the idea of corrosion or wear; or perhaps rather of a base of trugon and trizo through the idea of a craunching sound; to gnaw or chew, i.e. (generally) to eat -- eat.
see GREEK trugon
see GREEK trizo
see GREEK trauma
see GREEK tribos
τρώγοντες (trōgontes) − 1 Occurrence
τρώγων (trōgōn) − 5 Occurrences