Śatapatha Brāhmaṇa ("of a hundred paths") 3.4.3.2

3.4.3.2

te 'gninaiva tvacaṃ vipalyāṅgayanta | tapo vā agnistapo dīkṣā tadavāntarāṃ dīkṣāmupāyaṃstadyadavāntarāṃ dīkṣāmupāyaṃstasmādavāntaradīkṣā saṃtarāmaṅgulīrāñcanta saṃtarām mekhalām paryastāmevaināmetatsatīm paryāsyanta tatho evaiṣa etadyadataḥ prācīnamavratyaṃ vā karotyavratyam vā vadati tasyaivaitatprāyaścittiṃ kurute

By means of fire they enveloped (the body) with a skin. Now, fire being fervour, and the consecration being fervour, they thereby underwent an intermediate consecration; and because they underwent that intermediate consecration, therefore this intermediary consecration (avântaradîkshâ, is performed). They turned in their fingers more tightly and drew their zone tighter, whereby they (again) put round them what had been put round them before;--and so does he thereby make atonement for what heretofore he has done injurious to the vow, for what he has spoken injurious to the vow.