http://dictionary.reference.com/wordoftheday/archive/2010/09/26.html 1. (in Gnosticism) one of a class of powers or beings conceived as emanating from the Supreme Being and performing various functions in the operations of the universe.
2. eon
Quotes:
He conceives an endless joy; he conceives creatures as permanent as Puck or Pan - creatures whose will to live aeons upon aeons cannot satisfy.
-- Gilbert K. Chesterton, The Works of Charles Dickens: Pickwick Papers, Part I
Only the old moon would shine on serenely, the night wind would stir the grasses, and the wide earth would take its rest, even as it did aeons before we were, and will do aeons after we have been.
-- Henry Rider Haggard, King Solomon's Mines
Origin:
Aeon comes from the same root as eon, the Greek aion , meaning "age, eternity." Its first recorded use dates from the 1640s.