Definition & Meaning of "eureka"

What is the origin and context of use of 'eureka'?

The word "eureka" is derived from the Greek word "heúrēka," which means "I have found it." The scientist Archimedes is said to have exclaimed "eureka" upon making his discovery, signifying his excitement and realization. In modern contexts, "eureka" is used to express sudden insight, discovery, or enlightenment, often when someone finds a solution to a problem or uncovers something significant.