Śatapatha Brāhmaṇa ("of a hundred paths") 6.5.2.21

6.5.2.21

tām parigṛhya nidadhāti | kṛtvāya sā mahīmukhāmiti kṛtvāya sā mahatīmukhāmityetanmṛnmayīṃ yonimagnaya iti mṛnmayī hyeṣā yoniragneḥ putrebhyaḥ prāyacadaditiḥ śrapayānityetadvā enāmaditiḥ kṛtvā devebhyaḥ putrebhyaḥ śrapaṇāya prāyacattathaivaināmayametatkṛtvā devebhyaḥ śrapaṇāya prayacati

Having grasped it with both hands, he sets it down, with, 'She, having fashioned the great (mahîm) fire-pan,'--that is, 'she, having fashioned the great (mahatîm) fire-pan;'--'the earthen womb for Agni;'--for this is indeed Agni's earthen womb;--'Aditi offered it unto her sons, thinking, They shall bake it!'--for Aditi, indeed, having fashioned it, offered it to the gods, her sons, to bake it; and in like manner does this one now, after fashioning it, offer it to the gods to bake it.