interdict (v.) Look up interdict at
c. 1300, enterditen, "to place under ban of the Church, excommunicate," from Old French entredit (Modern French interdit), past participle of entredire "forbid by decree, excommunicate," from Latin interdicere "interpose by speech, prohibit, forbid," from inter- "between" (see inter-) + dicere "to speak, to say" (see diction). General sense "forbid, prohibit" in English is from early 15c. Related: Interdicted; interdicting; interdictory.