Śatapatha Brāhmaṇa ("of a hundred paths") 7.5.2.61

7.5.2.61

gāyatreṇa tvā candasā sādayāmi | traiṣṭubhena tvā candasā sādayāmi jāgatena tvā candasā sādayāmyānuṣṭubhena tvā candasā sādayāmi pāṅktena tvā candamā sādayāmīti tadyā asyaitebhyaścandobhya āpa āyaṃstā asminnetatpratidadhātyatho etānyevāsminnetaccandāṃsi dadhāti

'By the Gâyatrî metre I settle thee!-- By the Trishtubh metre I settle thee!--By the Gagatî metre I settle thee!--By the Anushtubh metre I settle thee!--By the Paṅkti metre I settle thee!' Whatever water flowed from those metres of his, that he now (by these formulas) puts back into him; and those metres themselves he thereby restores to him.