Meaning

noun a festivity in ancient Greece at which competitors contended for prizes

originEtymology tree Proto-Indo-European *h₂ger-der. Proto-Hellenic *agéřřō Ancient Greek ἀγείρω (ageírō) Ancient Greek ἀγών (agṓn)bor. Latin agōnbor. English agon From Latin agōn, from Ancient Greek ἀγών (agṓn, “contest”).

Etymology from Wiktionary, CC BY-SA 3.0