Rigveda 10.75.9

सु॒खं रथं॑ युयुजे॒ सिन्धु॑र॒श्विनं॒ तेन॒ वाजं॑ सनिषद॒स्मिन्ना॒जौ ।म॒हान्ह्य॑स्य महि॒मा प॑न॒स्यतेऽद॑ब्धस्य॒ स्वय॑शसो विर॒प्शिन॑:॥

sukhaṃ rathaṃ yuyuje sindhuraśvinaṃ tena vājaṃ saniṣadasminnājau |mahānhyasya mahimā panasyate'dabdhasya svayaśaso virapśina: ||

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