Merriam-Webster Collegiate Dictionary - succor

 I. noun  Etymology: Middle English socour, sucurs (taken as plural), from Anglo-French sucur, sucors, from Medieval Latin succursus, from Latin succurrere to run to the rescue, bring aid, from sub- + currere to run — more at car  Date: 13th century  1. relief; also aid, help  2. something that furnishes relief  II. transitive verb  (~ed; ~ing)  Date: 13th century to go to the aid of ; relieve  • ~er noun