Śatapatha Brāhmaṇa ("of a hundred paths") 1.1.4.5

1.1.4.5

tatpratīcīnagrīvamupastṛṇāti | adityāstvagasi prati tvāditirvettvitīyaṃ vai pṛthivyaditistasyā asyai tvagyadidamasyāmadhi kiñca tasmādāhādityāstvagasīti prati tvāditirvettviti prati hi svaḥ saṃ jānīte tatsaṃjñāmevaitatkṛṣṇājināya ca vadati nedanyo 'nyaṃ hinasāta ityabhinihitameva savyena pāṇinā bhavati

He spreads it (on the ground with the hairy side upwards, and) with its neck-part turned to the west, with the text (Vâg. S. I, 14 c): 'The skin of Aditi art thou! May Aditi acknowledge thee!' For Aditi is this earth, and whatever is on her, that serves as a skin to her: for this reason he says, 'The skin of Aditi art thou!' And 'may Aditi acknowledge thee!' he says, because one who is related (to another) acknowledges (him). Thereby he establishes a mutual understanding between her and the black antelope skin, (thinking) 'they will not hurt each other.' While it is still being held down with his left hand,--