Śatapatha Brāhmaṇa ("of a hundred paths") 3.9.4.4

3.9.4.4

ādade rāvāsīti | yadā vā enametenābhiṣuṇvantyathāhutirbhavati yadāhutiṃ juhotyatha dakṣiṇā dadātyetaddhyeṣa dvayaṃ rāsata āhutīśca dakṣiṇāśca tasmādāha rāvāsīti

'I take thee: thou art a giver,' he says; for when they press him by means of that (stone), then there is an oblation; and when he offers an oblation, then he gives sacrificial gifts,--thus, then, that (stone) gives twofold, oblations and sacrificial gifts; wherefore he says, 'Thou art a giver.'