Where does “empoisonment” come from?

empoisonment (English) comes from English empoison, from Middle English empoisounen, from Old French empoisoner.

empoisonment (English): The act of poisoning

Definitions

Step	Language	Word	Meaning
1	English	empoison	To poison; poison
2	Middle English	empoisounen	—
3	Old French	empoisoner	—

empoisonment — Etymology, Origin & Word History | Etymology Explorer