praziquantel

The story

p(y)razi(ne) + qu(inoline) + -antel (“anthelmintic”). The drug was developed by the German pharmaceutical companies Bayer and Merck in the mid-1970s. The name is established as the drug’s international nonproprietary name.

First known use, by meaning

• from 1970s An anthelmintic medication used to treat a number of types of parasitic worm infections, including clonorchiasis, cysticercosis, opisthorchiasis, schistosomiasis, and tapeworm infections.