decree (n.) Look up decree at Dictionary.com
early 14c., from Old French decre, variant of decret (12c., Modern French décret), from Latin decretum, neuter of decretus, past participle of decernere "to decree, decide, pronounce a decision," from de- (see de-) + cernere "to separate" (see crisis).
decree (v.) Look up decree at Dictionary.com
late 14c., from decree (n.). Related: Decreed; decreeing.