Śatapatha Brāhmaṇa ("of a hundred paths") 6.6.3.9

6.6.3.9

nābhā pṛthivyāḥ samidhāne agnāviti | eṣā ha nābhiḥ pṛthivyai yatraiṣa etatsamidhyate rāyaspoṣāya bṛhate havāmaha iti rayyai ca poṣāya ca bṛhate havāmaha ityetadirammadamitīrayā hyeṣa matto bṛhadukthamiti bṛhaduktho hyeṣa yajatrami ti yajñiyamityetajjetāramagnim pṛtanāsu sāsahimiti jetā hyagniḥ pṛtanā u sāsahiḥ

'While Agni is kindling on the earth's navel,'--that (place) where he is now being kindled is indeed the navel of the earth;--'we call for great wealth-thrift,'--that is, 'we call for wealth and great thrift;'--'Unto him, the draught-delighted,'--for he is indeed delighted (or, inebriated) by the draught,--'of high praise,'--for he is indeed highly praised;--'the adorable'--that is, 'worthy of adoration;'--'Agni, the conqueror, overpowering in battles;'--for Agni is indeed a conqueror, and overpowering in battles.