ὁρμαίνειν

From LSJ

νόσημα γὰρ αἴσχιστον εἶναί φημι συνθέτους λόγους → for I consider false words to be the foulest sickness

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ὁρμαίνω): be restless, of horses