ἠγῶν
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → But for extreme illnesses, extreme remedies, applied with severe exactitude, are the best (Hippocrates, Aphorism 6)
Greek (Liddell-Scott)
ἠγῶν: αἰγῶν, ἤγυς = αἰξί, ἐξ ὀνομαστ. ἤξ, Ἐπιγρ. Ὀρχομενοῦ Βοιωτ., Συλλ. Ἐπιγρ. 1569.