Answer: theriac

AnswerCrossword Clue
THERIACHerbal cure-all
THERIACCure-all
THERIACOnetime snake venom antidote
theriacmolasses; treacle
theriacmolasses, also THERIACA
theriacpaste formerly used as an antidote to poison, esp. snake venom, made from 60 or 70 different drugs pulverized and mixed with honey