Śatapatha Brāhmaṇa ("of a hundred paths") 3.2.2.6

3.2.2.6

aneno haike vācaṃ visarjayani | bhūrbhuvaḥ svariti yajñamāpyāyayāmo yajñaṃ saṃdadhma iti vadantastadu tathā na kuryānna ha sa yajñamāpyāyayati na saṃdadhāti ya etena vācaṃ visarjayati

Now, some make him break silence by the formula, 'Earth! ether! sky!' arguing that thereby they strengthen the sacrifice, they heal, the sacrifice. But let him not do so; for he who breaks silence with that (formula) does not strengthen the sacrifice, does not heal the sacrifice.