nerv-
combining form 
or nervi- or nervo-
Etymology: Middle English nerv-, from Latin, from nervus sinew, nerve 
1. : nerve 
< nervate >
< nerviduct >
2. : nervous and 
< nervomuscular >
or nervi- or nervo-
1.
< nervate >
< nerviduct >
2.
< nervomuscular >