Śatapatha Brāhmaṇa ("of a hundred paths") 5.4.3.6

5.4.3.6

taṃ caturyujaṃ yunakti | sa jaghanena sado 'greṇa śālāṃ yenaiva dakṣiṇā yanti tena pratipadyate taṃ jaghanena cātvālamagreṇāgnīdhramudyacati

He yokes it with four (horses). He passes along by the same way as that on which the dakshinâs go,--behind the Sadas, and in front of the hall. He stops it behind the kâtvâla, and in front of the Âgnîdhra.