αἰθερία

From LSJ

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

Source

Spanish (DGE)

-ας, ἡ
bot. cardo corredor, Eryngium campestre L., Cael.Aur.TP 3.4.64.