Origin of bezoar
- Middle English bezear stone used as antidote to poison probably from Old French bezahar gastric or intestinal mass used as antidote to poison from Arabic bāzahr from Persian pādzahr pād- protector (from Avestan pātar- pā- in Indo-European roots) zahr poison (from Middle Persian gwhen- in Indo-European roots)
From American Heritage Dictionary of the English Language, 5th Edition
- From Arabic بَازَهْر (bāzahr), from Middle Persian pʾtzhl (pādzahr, “bezoar, antidote”). In ancient times, bezoars from animals were ground up and ingested as remedies for various maladies and as antidotes to poisons.