Śatapatha Brāhmaṇa ("of a hundred paths") 3.6.4.3

3.6.4.3

sa yadi srucā juhoti | caturgṛhītamājyaṃ gṛhītvā juhoti yadyu sruveṇa sruveṇaivopahatya juhotyuru viṣṇo vikramasvoru kṣayāya naskṛdhi ghṛtaṃ ghṛtayone piba prapra yajñapatiṃ tira svāheti

If he offers with the offering-spoon, he offers after taking ghee by four ladlings; and if he offers with the dipping-spoon, he offers after 'cutting out' (some ghee from the pot) with the dipping-spoon,--with the text (Vâg. S. V, 41), 'Stride thou widely, O Vishnu, make wide room for our abode! drink the ghee, thou born of ghee, and speed the lord of the sacrifice ever onwards! Hail!'