onchocerciasis

noun

Etymology: From New Latin Onchocerca (a genus of parasitic worms), from Ancient Greek ὄγκος (ónkos, “barb”) + κέρκος (kérkos, “tail”) + -iasis.

1. A disease caused by a worm of the genus Onchocerca, especially as transmitted to humans by flies and often causing blindness; common in tropical Africa.