Eureka is an interjection used to celebrate a discovery or invention. "Eureka" comes from the Ancient Greek word εὕρηκα heúrēka, meaning "I have found (it)".
Usage
See Special:Whatlinkshere/Etymology:Eureka for a list of articles using this term.
This is an etymology page: a page detailing the origins of terminology used in the series in regards to real world culture and history.