Gobhilagrihyasutra 3.9.11

3.9.11

paścād agner barhiṣi nyañcau pāṇī pratiṣṭhāpya prati kṣatra ity etā vyāhṛtīr japati.

To the west of the fire he touches the Barhis with his two hands turned downwards, and murmurs the Vyâhritis (i.e. the solemn utterances), 'In the Kshatra I establish myself' (ibid. 2. 3).