A more thorough explanation:

Definition: Sibi invigilare is a Latin term that means "to watch for themselves." It is often used in historical contexts.

Example: During the Roman Empire, wealthy families would hire guards to protect their homes and property. However, they would also sibi invigilare, or watch for themselves, to ensure that their guards were doing their job properly.

Explanation: The example illustrates how sibi invigilare was used in ancient Rome. The wealthy families hired guards to protect their property, but they also took responsibility for their own safety by keeping an eye on their guards. This ensured that their guards were doing their job properly and that their property was safe.