Śatapatha Brāhmaṇa ("of a hundred paths") 8.6.1.1

8.6.1.1

nākasada upadadhāti | devā vai nākasado 'traiṣa sarvo 'gniḥ saṃskṛtaḥ sa eṣo 'tra nākaḥ svargo lokastasmindevā asīdaṃstadyadetasminnāke svarge loke devā asīdaṃstasmāddevā nākasadastathaivaitadyajamāno yadetā upadadhātyetasminnevaitannāke svarge loke sīdati

He said to them, 'Come ye to me and restore ye to me wherewith ye are going from me!'--'What will accrue unto us therefrom?'--'That (part) of my body shall be sacred unto you!'--'So be it!' So Indra and Agni, and Visvakarman restored that (part) unto him.