onchocerciasis
Concise Oxford English Dictionary © 2008 Oxford University Press:
onchocerciasis /ˌɒŋkəʊsəːˈsʌɪəsɪs, -ˈkʌɪəsɪs/
▶noun technical term for river blindness.
– origin early 20th cent.: from mod. L. Onchocerca (genus name of the parasite causing the disease, from Gk onkos ‘barb’ + kerkos ‘tail’) + -iasis.
'onchocerciasis' also found in these Oxford entries:

