Question: what is the latin root word for poison?
Answer: Etymology. From Middle English poisoun, poyson, poysone, puyson, puisun, from Old French puison, poison, from Latin pōtio, pōtiōnis (“drink, a draught, a poisonous draught, a potion”), from pōtō (“I drink”). Displaced native Old English ātor. See also potion and potable.