en·join /in-'jȯin/ vt [Anglo-French enjoindre to impose, constrain, from Old French, from Latin injungere to attach, impose, from in - on + jungere to join]: to prohibit by judicial order: issue an injunction against
a three-judge district court had enjoin ed the plans — W. J. Brennan, Jr.
en·join·able adj
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.