Śatapatha Brāhmaṇa ("of a hundred paths") 5.1.2.8

5.1.2.8

grahā ūrjāhutayaḥ | vyanto viprāya matiṃ teṣāṃ viśipriyāṇāṃ vo 'hamiṣamūrjaṃ samagrabhamupayāmagṛhīto 'sīndrāya tvā juṣṭameṣa te yonirindrāya tvā juṣṭatamamiti sādayatyūrgvai raso rasamevaitenojjayati

[The fifth with IX, 4,] 'Ye cups, of strengthening libations, inspiring the sage with thought,--I have gathered together the pith and sap of you, the handleless! Thou art taken with a support: thee, agreeable to Indra! This is thy womb: thee, most agreeable to Indra!' therewith he deposits it;--pith means essence: it is the essence he thereby wins.