“Perhaps there is something in this reflected-sound-of-underground-spirits? It was a cumbersome phrase. Rincewind tried to get his tongue around the thick syllables that were the word in Twoflower's own language.
"Ecolirix?" he tried. "Ecro-gnothics? Echo-gnomics?"
That would do. That sounded about right.”
―
Terry Pratchett,
The Color of Magic