vermifuge

Etymology
Attested since about 1720, from +.

Adjective

 * 1)  Acting as a drug to cause expulsion or death of intestinal worms.

Noun

 * 1)  A drug that causes the expulsion or death of intestinal worms, such as tapeworms.
 * 2) * 1867, Advertisement, , Volume 20, New Series, page 264,
 * We have been informed that the usual practice of Merchants, Farmers and Planters, in ordering their supplies of Dr. McLane's Celebrated VERMIFUGE, has been to simply write and order Vermifuge. The consequence is that instead of the genuine Dr. McLanes's Vermifuge, they very frequently get one or other of the many worthless preparations called Vermifuge now before the public.

Etymology
From +.