Kauṣītaki (Śāṅkhāyana) Brāhmaṇa 5.8.31

5.8.31

ṛtavaḥ pitaraḥ /

v. 7. In that from the fore-offerings and the after-offerings he leaves out the two for the strew, (it is because he thinks) 'The strew is offspring; let me not cast offspring in the fire.' They are six; the seasons are six; the fathers are the seasons; verily thus he delights the fathers. In that he offers the butter portions with the word 'living', verily thus he causes the sacrificer to live. In that there are three for each oblation, (it is because) there are three oblations, and he cuts off from them together; therefore