Definition:Eulerian Graph/Linguistic Note
Linguistic Note on Eulerian Graph
After the pronunciation of Euler as Oiler, the word Eulerian is pronounced something like oy-leer-ee-an.
The term unicursal, derives from the prefix uni-, an adjectival form of one and cursal, which derives from the Latin cursor, meaning runner.
Hence a unicursal graph can be understood as a graph which can be drawn in a single run.