JaimŚS, 15, 6.0 prastotā dakṣiṇa ūrau nidhāya camasam āpyāyayaty āpyāyasva sametu te viśvataḥ soma vṛṣṇyaṃ bhavā vājasya saṃgatha ity etayā gāyatryā prātaḥsavane //