English

renerve

From re- + nerve.

Formed from re- + nerve

Proto-Italic *wre- ‘again’

English re-

Proto-Indo-European *(s)neh₁- ‘to spin (thread), to sew’

…

Proto-Italic *(s)nēuros

Old Latin *neuros

Medieval Latin nervus

Middle English nerve ‘a nerve’

English nerve

Today it means

verb To nerve again; to reinvigorate or unnumb.

Language periods are conventional ranges, not dates for this word.