Rigveda 7.44.4

द॒धि॒क्रावा॑ प्रथ॒मो वा॒ज्यर्वाऽग्रे॒ रथा॑नां भवति प्रजा॒नन् ।सं॒वि॒दा॒न उ॒षसा॒ सूर्ये॑णाऽऽदि॒त्येभि॒र्वसु॑भि॒रङ्गि॑रोभिः॥

dadhikrāvā prathamo vājyarvā'gre rathānāṃ bhavati prajānan |saṃvidāna uṣasā sūryeṇā''dityebhirvasubhiraṅgirobhiḥ ||

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