Before or previously.
Before or preceding.
A period following some activity.
Ancient or prehistoric times.
A division of geological time.
Time.
Time.
A period of years.
Early, primeval.
Ancient.
Again.
After in time or order.
Prior to; before; earlier; in front of.
Original or first; primitive or ancestral.
Synchronous.
Primitive; original; earliest.
Yesterday.
Relating to a given geological aeon or era.
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