Greek literal meaning
epiphany
1. January 6 observed as a church festival in commemoration of the coming of the Magi to Jesus at Bethlehem 2. a sudden striking understanding of something. (The Merriam-Webster Dictionary, 1997)
Meaning 2: You know, like on a cartoon, when a lightbulb appears over a character's head. Or a person "gets it" -- a sudden insight into an idea, problem, etc. The women's movement termed this insight as a "click."
This link goes to the definition in the American Heritage Dictionary: www.bartleby.com/ 61/6/E0180600.html
It's a sudden insight, like "dictionaries exist!"
Or "Follow-ups remove links, but clicking on the post that had the link gets the link back!"
Epiphainomai (e-pee-fein-o-my) is ancient Greek, where epi- translates with "by," "nearby," and -phainomai "to appear," "to come into being."