aeon
noun
[ ˈiːən ]
• an indefinite and very long period of time.
• "he reached the crag aeons before I arrived"
• (in Neoplatonism, Platonism, and Gnosticism) a power existing from eternity; an emanation or phase of the supreme deity.
Origin:
mid 17th century: via ecclesiastical Latin from Greek aiōn ‘age’.
