nervus

noun
ner·​vus | \ ˈnər-vəs How to pronounce nervus (audio) , ˈner- How to pronounce nervus (audio) \
plural nervi\ ˈnər-​ˌvī How to pronounce nervi (audio) , ˈner-​ˌvē How to pronounce nervi (audio) \

Medical Definition of nervus