The story
From Late Latin infarctus + French myocarde < from Greek ἔμφραγμα (obstacle) του (of) μυοκαρδίου (heart muscle).
Etymology from Wiktionary, CC BY-SA 4.0.
myocardial infarction
Today it means: Necrosis of heart muscle caused by an interruption to the supply of blood to the heart, often as a result of coronary thrombosis. Full definition →