Source : Webster's Revised Unabridged Dictionary (1913)

Restinguish \Re*stin"guish\ (r?*st?n"gw?sh), v. t. [L.
   restinquere, restinctum; pref. re- re- + stinquere to
   quench.]
   To quench or extinguish. [Obs.] --R. Field.