Editing Poison (section)

==Etymology==
The word "poison" was first used in 1200 to mean "a deadly potion or substance"; the English term comes from the "...Old French poison, puison (12c., Modern French poison) "a drink", especially a medical drink, later "a (magic) potion, poisonous drink" (14c.), from Latin potionem (nominative potio) "a drinking, a drink", also "poisonous drink" (Cicero), from potare "to drink".<ref name="etymonline.com">{{cite web|url=http://www.etymonline.com/index.php?allowed_in_frame=0&search=poison|title=poison - Search Online Etymology Dictionary|website=www.etymonline.com|access-date=3 November 2017}}</ref> The use of "poison" as an adjective ("poisonous") dates from the 1520s. Using the word "poison" with plant names dates from the 18th century. The term "[[poison ivy]]", for example, was first used in 1784 and the term "[[poison oak]]" was first used in 1743. The term "[[poison gas]]" was first used in 1915.<ref name="etymonline.com"/>