Answer: castoroil

AnswerCrossword Clue
CASTOROILChild's dreaded spoonful of yore
CASTOROILOld-fashioned medicine
CASTOROILOld-fashioned medicinal liquid
CASTOROILOld-fashioned remedy.
CASTOROILMedicine or lubricant
CASTOROILPalma-Christi derivative
CASTOROILFormer medicine for John Jacob in spring (6,3)