The story
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Ancient Greekπρό (pró)
- Ancient Greekπρῶτος (prôtos)
- Proto-Indo-European*h₂ger-
- Proto-Hellenic*agéřřō
- Ancient Greekἀγείρω (ageírō)
- Ancient Greekἀγών (agṓn)
- Ancient Greekἀγωνίζομαι (agōnízomai)
- Ancient Greekᾰ̓γωνῐστής (ăgōnĭstḗs)
- Ancient Greekπρωταγωνιστής (prōtagōnistḗs)
- English todayprotagonist
From Ancient Greek πρωταγωνιστής (prōtagōnistḗs, “a chief actor”), from πρῶτος (prôtos, “first”) + ἀγωνιστής (agōnistḗs, “a combatant, pleader, actor”). By surface analysis, prot- (“first”) + agonist (“combatant, participant”).
Etymology from Wiktionary, CC BY-SA 4.0.