etorphine
/iˈtɔːfiːn/ /ɛˈtɔːfiːn/Pharmacology
noun
A powerful narcotic analgesic chiefly used to anaesthetize and immobilize large animals.
- Etorphine is a synthetic opioid. Chemical formula C25H33NO4..
Origin
1960s; earliest use found in The Lancet. From et- + -orphine.