Śatapatha Brāhmaṇa ("of a hundred paths") 3.7.3.9

3.7.3.9

sa tṛṇamādatte | upāvīrasītyupa hi dvitīyo 'vati tasmādāhopāvīrasītyupa devāndaivīrviśaḥ prāguriti daivyo vā etā viśo yatpaśavo 'sthiṣata devebhya ityevaitadāha yadāhopa devāndaivīrviśaḥ prāguriti

He takes the straw with (Vâg. S. VI, 7), 'Thou art a cheerer!' for a companion does cheer one: therefore he says, 'Thou art a cheerer.' 'The celestial hosts have approached the gods;' the celestial hosts, forsooth, are those beasts: 'they have submitted to the gods' he means to say, when he says, 'The celestial hosts have approached the gods.'