ἀθελής

From LSJ

αἰὲν ἀριστεύειν καὶ ὑπείροχον ἔμμεναι ἄλλων → always strive for excellence and prevail over others (Iliad 6.208, 11.784)

Source

Spanish (DGE)

-ές no deseado, Tz.Comm.Ar.1.183.9.

German (Pape)

ές, und ἀθέλητος, Sp., nicht wollend; adv., Ath. V.219d.