A bound placed on what may be done. Restriction is a choice removed, and it should say by whom.
Built on restrict, from Latin restringere (to draw back tightly, to bind fast): re- (back) + stringere (to bind); a restriction is a bound placed by the same tightening the root describes.
A bound placed on what may be done. It is a choice removed, and the root's own binding was never self-applied — it should always say by whom.