aeon
noun
Definitions
(preferred spelling, with æon) A spirit being emanating from the Godhead.
(Cosmology) Each universe in a series of universes, according to conformal cyclic cosmology.
noun
Definitions
Eternity.
A period of 1,000,000,000 years.
The longest time period used in geology.
A long period of time.
Example: It's been eons since we last saw each other.