ἔστιν δέ που ἡ μὲν ἐπὶ σώμασι γυμναστική, ἡ δ' ἐπὶ ψυχῇ μουσική → I think I am right in saying that we have physical exercise for the body and the arts for the soul
αἰγῶνιξ και αἰγόνυξ (-υχος), ο, η (Α)
αυτός που έχει νύχια κατσίκας.
[ΕΤΥΜΟΛΟΓΙΑ < αἴξ –αἰγὸς + ὄνυξ.