The story
From ace(tyl) + but(yramide) + -olol (“β-adrenoceptor antagonist”).
Etymology from Wiktionary, CC BY-SA 4.0.
acebutolol
Today it means: A beta blocker (trademark Monitan, Sectral) which is partially selective for cardiac beta receptors, used in the treatment of hypertension, angina, and arrhythmia. Full definition →