Śatapatha Brāhmaṇa ("of a hundred paths") 7.5.2.55

7.5.2.55

apāṃ tvā sadhiṣi sādayāmīti | otraṃ vā apāṃ sadhiḥ śrotre tāṃ sādayati tadyā asyaitebhyo rūpebhyo āpa āyaṃstā asminnetatpratidadhātyatho etānyevāsminnetadrūpāṇi dadhāti

'In the goal of the waters I settle thee!' the goal of the waters is the ear: in the ear he settles this one. Whatever water flowed from those (five) forms of his, that water he now (by these five formulas) puts back into him; and those forms themselves he thereby restores to him.