Rigveda 6.6.2

स श्वि॑ता॒नस्त॑न्य॒तू रो॑चन॒स्था अ॒जरे॑भि॒र्नान॑दद्भि॒र्यवि॑ष्ठः ।यः पा॑व॒कः पु॑रु॒तम॑: पु॒रूणि॑ पृ॒थून्य॒ग्निर॑नु॒याति॒ भर्व॑न्॥

sa śvitānastanyatū rocanasthā ajarebhirnānadadbhiryaviṣṭhaḥ |yaḥ pāvakaḥ purutama: purūṇi pṛthūnyagniranuyāti bharvan ||

Our plain-language meaning of this verse is waiting for scholar review.