by one's own exertions

From LSJ

ὁπόσον τῷ ποδὶ περρέχει τᾶς γᾶς, τοῦτο χάριςevery inch of his stature is grace, from top to toe he's a complete charmer

Source

English > Greek (Woodhouse Extra)

μόνος, μοῦνος