Rigveda 7.78.3

अचे॑ति दि॒वो दु॑हि॒ता म॒घोनी॒ विश्वे॑ पश्यन्त्यु॒षसं॑ विभा॒तीम् ।आस्था॒द्रथं॑ स्व॒धया॑ यु॒ज्यमा॑न॒मा यमश्वा॑सः सु॒युजो॒ वह॑न्ति॥

aceti divo duhitā maghonī viśve paśyantyuṣasaṃ vibhātīm |āsthādrathaṃ svadhayā yujyamānamā yamaśvāsaḥ suyujo vahanti ||

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