Śatapatha Brāhmaṇa ("of a hundred paths") 5.1.4.1

5.1.4.1

taṃ vai mādhyandine savane 'bhiṣiñcati | mādhyandine savana ājiṃ dhāvantyeṣa vai prajāpatirya eṣa yajñastāyate yasmādimāḥ prajāḥ prajātā etamvevāpyetarhyanu prajāyante tanmadhyata evaitatprajāpatimujjayati

At the midday Soma-feast he consecrates (the Sacrificer) by sprinkling; and at the midday Soma-feast they run a race; for, verily, Pragâpati is that sacrifice which is here performed, and from which these creatures have been produced,--and indeed, they are even now produced after this one: thus he thereby wins Pragâpati in the very centre (of the sacrifice).