Eureka (word)
"Eureka" comes from the Ancient Greek word "heúrēka", meaning "I found (it)", which is the first person singular perfect indicative active of the verb "heuriskō" "I find". It is closely related to heuristic, which refers to experience-based techniques for problem solving, learning, and discovery.
Erecura
The theonym is of unclear origin. It has been connected with Latin "aes, aeris" 'copper, bronze, money, wealth', "era" 'mistress' and the name of the Greek goddess Hera. Many different Latinised forms of this goddess’s name occur: "Aeraecura" at Perugia; "Aerecura" at Mainz, Xanten, Aquileia and Roşia Montană; "Aericura" at , "Eracura" in , "Ercura" at , "Erecura" at , Tongeren and Belley in Aube; "Heracura" at Stockstadt am Rhein, "Herecura" at , Freinsheim and Rottenburg am Neckar, where the form "Herequra" is also found.