تعريف dormitive principle في الإنجليزية الإنجليزية القاموس.
A type of tautology in which an item is being explained in terms of the item itself, only put in different (usually more abstract) words
And to any intelligent reader, explanation of an 'inherent ability' was reminiscent of Molière's mock explanation of the soporific effects of opium - that it contained a 'dormitive principle'.
() A modern translation of Latin, virtus dormitiva, coined by Molière in The Imaginary Invalid. In the play, he lampoons a group of physicians providing an explanation in macaronic Latin of the sleep-inducing properties of opium as stemming from its "virtus dormitiva".