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.
Eucla, Western Australia
The name Eucla is believed to originate from an Aboriginal word "Yinculyer" which one (uncited) source gives as referring to the rising of the planet Venus. It was first used by Europeans for the area at some point before 1867.