Seemingly endless amount of time (3)
I believe the answer is:
eon
(Other definitions for eon that I've seen before include "Huge time period" , "Vast age (alt. sp.)" , "Geological period" , "In time, long division" , "Era" .)
I believe the answer is:
eon
(Other definitions for eon that I've seen before include "Huge time period" , "Vast age (alt. sp.)" , "Geological period" , "In time, long division" , "Era" .)