Śatapatha Brāhmaṇa ("of a hundred paths") 8.4.2.1

8.4.2.1

atha spṛta upadadhāti | etadvai prajāpatiretasminnātmanaḥ pratihite sarvāṇi bhūtāni garbhyabhavattānyasya garbha eva santi pāpmā mṛtyuragṛhṇāt

He then lays down the Spritah (freeing bricks). For when that (part) of his body had been restored, Pragâpati became pregnant with all beings: whilst they were in his womb, evil, death, seized them.