The story
- Latin · derived frompōtiō“a drinking”
- Old French · derived frompocion
- Middle English · inherited frompocioun
- English todaypotion
From Middle English pocioun, borrowed from Old French pocion, from Latin pōtiō (“a drinking”), pōtiōnis, from pōtāre (“to drink”). Displaced native Old English drenċ whence Modern English drench. Doublet of poison.
Etymology from Wiktionary, CC BY-SA 4.0.