Rigveda 4.51.1

वामदेवो गौतमः। उषाः। गायत्री। · vāmadevo gautamaḥ | uṣāḥ | gāyatrī |

इ॒दमु॒ त्यत् पु॑रु॒तमं॑ पु॒रस्ता॒ज्ज्योति॒स्तम॑सो व॒युना॑वदस्थात् ।नू॒नं दि॒वो दु॑हि॒तरो॑ विभा॒तीर्गा॒तुं कृ॑णवन्नु॒षसो॒ जना॑य॥

idamu tyat purutamaṃ purastājjyotistamaso vayunāvadasthāt |nūnaṃ divo duhitaro vibhātīrgātuṃ kṛṇavannuṣaso janāya ||

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