Narcissism
Personality trait of self love of a fake perfect self.
Is narcissism's origin a rare place to get modern words from?
Narcissism comes from the ancient Greek story of Narcissus, who fell in love with his own reflection. Aphrodisiac comes from stories about the ancient Greek goddess Aphrodite. Europe comes from Europa, an ancient Greek princess. The word stygian relates to the river of Hades in Greek mythology. Hypnosis comes from Hypnos, the Greek god of sleep.
From what culture does the word "narcissism" come?  What percent of English words come from #1? Is #2 small enough to be considered "rare"?