Śatapatha Brāhmaṇa ("of a hundred paths") 1.9.2.28

1.9.2.28

sa juhoti | devā gātuvida iti gātuvido hi devā gātuṃ vittveti yajñaṃ vittvetyevaitadāha gātumiteti tadetena yathāyathaṃ vyavasṛjati manasaspata imaṃ deva yajñaṃ svāhā vātte dhā ityayaṃ vai yajño yo 'yam pavate tadimaṃ yajñaṃ sambhṛtyaitasminyajñe pratiṣṭhāpayati yajñena yajñaṃ saṃdadhāti tasmādāha svāhā vāte dhā iti

He makes the offering, with the text (Vâg. S. II, 21 b), 'Ye path-finding gods,'--for the gods are indeed the finders of the path;--'Having found the path--,' thereby he says, 'having found the sacrifice;'--'Walk in the path!' thereby he dismisses them in due form;--'O divine Lord of mind, this sacrifice--Svâhâ!--give to the wind!' for the sacrifice, indeed, is that blowing one (the wind). Having accordingly prepared this (special) sacrifice, he thereby establishes it safely in that (chief, full or new-moon) sacrifice, and thus unites sacrifice with sacrifice: for this reason he says, 'Svâhâ! give (it) to the wind!'