Meaning

noun a principle that limits the extent of something

noun an act of limiting or restricting (as by regulation)

noun the act of keeping something within specified bounds (by force if necessary)

originFrom Middle English restriccioun, from Anglo-Norman restriction, Middle French restriction, and their source, Late Latin restrictiō, from Latin restringō. Morphologically restrict + -ion.

Etymology from Wiktionary, CC BY-SA 3.0