'Primeval' in the Bible

You covered the primeval ocean like a garment; the water stood above the mountains.

Have you not heard from {a long time ago}? I have made it from days of primeval time, and I formed it. Now I have brought it [about], and it is for fortified cities to collapse into heaps of destroyed stones.

then I will bring you down to bygone people, to be with those who descend to the pit. I will make you live in the lower parts of the earth, among the primeval ruins, with those who descend to the pit, so that you will not be inhabited or stand in the land of the living.

He takes his battle position and shakes the earth; with a mere look he frightens the nations. The ancient mountains disintegrate; the primeval hills are flattened. He travels on the ancient roads.

And he overpowered and laid hold of the dragon, that old serpent [of primeval times], who is the devil and Satan, and bound him [securely] for a thousand years (a millennium);