from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the time of the physical formation and development of the earth (especially prior to human history)
Sorry, no etymologies found.
Well, presumably, whatever factors applied to the flatworms throughout geological time to this day, those same factors applied to the rest of the animal kingdom before the Cambrian.
Evolution and the vast span of geological time are recurrent themes in Wolseley’s work.