nervis
nervis is a Latin form of nervus, meaning “sinew, muscle; string (of a bow or lyre); (pl.) strength, vigor”. It is the dative plural masculine noun.
Found 82 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.20.3: quibus opibus ac nervis non solum ad minuendam gratiam, sed paene ad perniciem suam uteretur. Sese tamen et amore fraterno et existimatione vulgi commoveri.
Livy, Ab urbe condita 21.58.9: tantaque uis frigoris insecuta est ut ex illa miserabili hominum iumentorumque strage cum se quisque attollere ac leuare uellet, diu nequiret, quia torpentibus rigore neruis uix flectere artus poterant.
All forms of nervus (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.