φορβεία

From LSJ

φιλοσοφίαν καινὴν γὰρ οὗτος φιλοσοφεῖ → this man adopts a new philosophy

Source

Middle Liddell

φορβεία, ἡ, φορβή
I. a feeding-string, i. e. the halter by which a horse is tied to the manger, Xen.
II. a mouthband of leather put like a halter round the lips of pipers, to assist them in blowing, Ar.