Where does “ēnervis” come from?

ēnervis (Latin) comes from Latin nervus, from Proto-Indo-European (s)new-.

Ancestry of “ēnervis”, step by step

Step	Language	Word	Meaning
1	Latin	nervus	A sinew, tendon, nerve, muscle; A cord, string or...
2	Proto-Indo-European	(s)new-	—

ēnervis — Etymology, Origin & Word History | Etymology Explorer