Meaning

noun an ecclesiastical censure by the Roman Catholic Church withdrawing certain sacraments and Christian burial from a person or all persons in a particular district

noun a court order prohibiting a party from doing a certain activity

verb destroy by firepower, such as an enemy's line of communication

originFrom Middle English entrediten, from Old French entredire (“forbid”), from Latin interdīcō (“prohibit, forbid”), from inter- (“between”) + dīcō (“say”), from Proto-Indo-European *deyḱ-.

Etymology from Wiktionary, CC BY-SA 3.0