Śatapatha Brāhmaṇa ("of a hundred paths") 3.8.3.23

3.8.3.23

ūṣmaṇo vyathiṣaditi | eṣa vā ūṣmaitasmā u hi gṛhṇāte tasmādāhoṣmaṇo vyathiṣadityathopariṣṭāddvirājyasyābhighārayati

'From the hot vapour may totter--;' the hot vapour, namely, is yonder (wind), and for that he takes it: hence he says, 'From the hot vapour may totter--.' Thereupon he bastes it twice with ghee above.