Crackdown (noun)

1. A strong enforcement of laws or regulations.
2. A severe or strict measure taken to suppress or punish an activity.

Origin:

The word crackdown comes from the phrase "crack down" and it first appeared in the english language in the 20th century.

Examples:

1. The government announced a crackdown on illegal drug trafficking.
2. The police conducted a crackdown on gang activity in the city.
3. The company implemented a crackdown on employees who were stealing office supplies.
4. The government announced a crackdown on tax evasion.
5. The local authorities announced a crackdown on illegal parking.