The story
From lysine + -o- + -pril (“angiotensin converting enzyme inhibitor”).
Etymology from Wiktionary, CC BY-SA 4.0.
lisinopril
Today it means: A drug of the angiotensin converting enzyme inhibitor class (trademark Prinivil, Zestril), primarily used in the treatment of hypertension, congestive heart failure, heart attacks, and certain complications of diabetes. Full definition →