köken: Etymology tree Proto-Indo-European *h₂ger-der. Proto-Hellenic *agéřřō Ancient Greek ἀγείρω (ageírō) Ancient Greek ἀγών (agṓn) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ῐ́ᾱ (-ĭ́ā) Ancient Greek ἀγωνίᾱ (agōníā)der. Ecclesiastical Latin agoniader. Esperanto agonii Esperanto -o Esperanto agonio From agonii + -o.
Internationalism; compare English agony. Possible borrowed from German Agonie or from French agonie, ultimately from Ancient Greek ἀγωνία (agōnía, “emulation, competition, struggle”), from ἀγών (agṓn, “contest”). First attested in 1722.