Restrict (verb)

1. Place limits on (someone or something).
2. Impose a restriction on (something).
3. Limit access to (something).

Origin:

Late middle english: from latin restrict- "drawn tight", from the verb restringere, from re- (expressing intensive force) + stringere "bind".

Examples:

1. The government restricted access to the internet.
2. The company restricted the use of personal phones during work hours.
3. The rules restrict the use of the park after dark.
4. The diet restricts the intake of sugar.
5. The law restricts the sale of certain products.