Śatapatha Brāhmaṇa ("of a hundred paths") 3.5.1.32

3.5.1.32

sa praharati videdagnirnabho nāmāgne aṅgira āyunā nāmnehīti sa yatprādhanvaṃstadāyurdadhāti tatsamīrayati yo syām pṛthivyāmasīti yo 'syām pṛthivyāmasīti hṛtvā nidadhāti yatte 'nādhṛṣṭaṃ nāma yajñiyaṃ tena tvādadha iti yatte 'nādhṛṣṭaṃ rakṣobhirnāma yajñiyaṃ tena tvādadha ityevaitadāhānu tvā devavītaya iti caturthaṃ harati devebhyastvā juṣṭāṃ harāmītyevaitadāha tāṃ vai catuḥsrakteścātvālāddhrati catasro vai diśaḥ sarvābhya evaināmetaddigbhyo harati

He flings with the texts, 'May the Agni called Nabhas know (thee)! Go thou, O Agni, Aṅgiras, with the name of Âyu (life)!' What life they passed away from that he bestows, that he re-animates. Having with, 'Thou who art in this earth,' taken (the loose soil dug up by the wooden sword), he puts it down (on the altar), with, 'Whatever inviolate, holy name of thine, therewith I lay thee down!' whereby he means to say, 'whatever holy name, unviolated by the Rakshas, is thine, thereby I lay thee down.'--With 'Thee, moreover, for the delight of the gods,' he takes (earth) a fourth time; whereby he means to say, 'I take thee well-pleasing to the gods.' He takes that (high altar) from a quadrangular pit, for there are four quarters: thus he takes it from all the four quarters.