Rigveda 1.92.15

यु॒क्ष्वा हि वा॑जिनीव॒त्यश्वाँ॑ अ॒द्यारु॒णाँ उ॑षः ।अथा॑ नो॒ विश्वा॒ सौभ॑गा॒न्या व॑ह॥

yukṣvā hi vājinīvatyaśvām̐ adyāruṇām̐ uṣaḥ |athā no viśvā saubhagānyā vaha ||

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