potion
Concise Oxford English Dictionary © 2008 Oxford University Press:
potion/ˈpəʊʃn/
▶noun a liquid with healing, magical, or poisonous properties.
– origin ME: from OFr., from L. potio(n-) ‘drink, poisonous draught’, rel. to potare ‘to drink’.
'potion' also found in these Oxford entries:

