Shatapatha Brahmana 10.3.1.6

10.3.1.6

śrotram paṅktiriti tadya eva śrotrasya mahimā yadvīryaṃ tadetatsahasraṃ śrotrasyaivaitadvīryaṃ yaddhyasya cinvataḥ śrotramutkrāmettata evaiṣo'gnirna cīyetaitenaivāsya rūpeṇa sahasrameṣa paṅktīḥ saṃcito bhavati

'The Paṅkti is the ear,'--thus, whatever power, whatever vigour there is in the ear that is this one thousand; and to the ear, indeed, this vigour belongs, for were the power of hearing of him who builds it to pass away, this fire-altar, assuredly, would not be built: by this its form that (altar) becomes built (so as to contain) a thousand Paṅktis.