adv.
To produce health and strength, not empirically, but on scientific principles: P. μὴ τριβῇ μόνον καὶ ἐμπειρίᾳ ἀλλὰ τέχνῃ . . . ὑγίειαν καὶ ῥώμην ἐμποιεῖν (Plat., Phaedr. 270B).
