Śatapatha Brāhmaṇa ("of a hundred paths") 6.6.4.10

6.6.4.10

atha yadyeṣa ukhyo 'gniranugacet | gārhapatyaṃ vāva sa gacati gārhapatyāddhi sa āhṛto bhavati gārhapatyādevainam prāñcamuddhṛtyopasamādhāyokhām pravṛñjyādetayaivāvṛtānupaharanyajustūṣṇīmeva tāṃ yadāgnirārohati

And if the fire in the pan (Ukhya Agni) were to go out, it is doubtless to the Gârhapatya that it goes, for from the Gârhapatya it has been taken. Having then taken it out of the Gârhapatya eastwards (to the place of the Âhavanîya), and put fuel on it, let him put the fire-pan on it in the same way (as before), without using any formula, quite silently. When the fire rises up to it,--