The story
Ancient Greek, originally in Greek drama, from ἀγωνιστής (agōnistḗs, “a combatant, pleader, actor”). By surface analysis, trit- (“third”) + agonist (“combatant, participant”).
Etymology from Wiktionary, CC BY-SA 4.0.
tritagonist
Today it means: In Greek drama, the actor who played the third role (after the protagonist and deuteragonist) Full definition →