“It is out of the depths of the unconscious that the energies of life come to us.""  Carl Jung

Other possible descriptions:
origin of the world
purifying and renewing, birth on a higher level
creare: to make life, to produce where there was nothing before

im illo tempore:   at that time, an undetermined time in the past

Egyptian: chaos existed in the form of the primeval ocean Nun before creation of world
and surrounded  the world as a permanent source of energy and renewal
Alchemists: chaos; a term for prima material
Biblical account:  chaos a symbol for the state of the world before the inception of all existence.