Jaiminīya (Talavakāra) Brāhmaṇa 58.354

58.354

atho āhurapahatapāpmāno vai devāḥ
te na svapanti
ta u śramasya bhūmnā samamīlayan
teṣāmu svapatāṃ pramattānāmasūrāsteja indriyaṃ vīryamādāyāpsvanvabhyavānayan
tadviṣṇuranvapaśyat
teṣāṃ ha devānāṃ prabubudhānānāmapriyamāsīt
tānviṣṇurabravīnmā vo'priyaṃ bhūt
ahaṃ vai tadanvakhyamiti
tānapsvanvabhyavānayat
tadapsvantaḥ paryapaśyanyathā pṛṣṭhāt kakududīṣitā syādevam
tadetābhiretābhireva vyāhṛtibhirādāya viṣṇave prāyacchan
tadidaṃ viṣṇusteja indriyaṃ vīryaṃ dhārayansamaiṣat
tasmāddhrasvo viṣṇuḥ
tasmādu hrasvaṃ vaiṣṇavaṃ gāmālabhante
sa yatra dhārayanparākramata tadeva | viṣṇupadamabhavat
tasmādyo viṣṇupadīyaḥ kaikeyassa yajña āttaraḥ
etaṃ hyasminyajñamanvavindan
sa ya etadevaṃ vedā dviṣato bhrātṛvyasya teja indriyaṃ vīryaṃ datte

Now they say: Indeed, the gods have evil dispelled; they do not sleep. But through the abundance of exhaustion, they closed their eyes. And while they were sleeping and negligent, the Asuras took their fiery energy, faculty, and vital power, and led [them] away down into the waters. Viṣṇu saw that. When the gods awoke, it was unpleasant to them. Viṣṇu said to them, "Let there be nothing unpleasant to you. I have kept track of it." He led them down to the waters. Inside the waters, they saw it all around, just as a hump might project from a back; so it was. Taking it with these very sacred utterances, they gave it to Viṣṇu. Viṣṇu, bearing this fiery energy, faculty, and vital power, shrunk together. Therefore Viṣṇu is short. And therefore they seize a short cow for Viṣṇu. Where, bearing [it], he strode out, that indeed became the Viṣṇupada. Therefore, the Kaikeya sacrifice that relates to Viṣṇupada is superior. For in this [sacrifice] they found it. He who knows this thus takes the fiery energy, faculty, and vital power of his hateful rival.