to forbid (an action, activity, etc.) by authority or law: Smoking is prohibited here.
to forbid the action of (a person).
to prevent; hinder.
Origin: 1400–50;late Middle English < Latinprohibitus past participle of prohibēre to hold before, hold back, hinder, forbid, equivalent to pro-pro-1 + -hibēre, combining form of habēre to have, hold; see habit