Markandeyapurana 45.68

45.68

vṛtamaṇḍaṃ daśaguṇairekekaikatvena taiḥ punaḥ /
mahatā tatpramāṇena sahaivānena veṣṭitaḥ //

Then the egg was enveloped by water, air, fire and ether and by the evolving Ahaṅkāra externally, ten times over by each of them. It was then surrounded[31] by Mahat which I have mentioned, which had the same magnitude. Mahat together with them all was enveloped by the Imperceptible. With these seven coverings formed from Prakṛti was the egg enveloped. Enveloping one another the eight Prakṛtis existed. This very Prakṛti is permanent; and that Puruṣa is limited by it.