Rigveda 1.49.2
सु॒पेश॑सं सु॒खं रथं॒ यम॒ध्यस्था॑ उष॒स्त्वम् ।तेना॑ सु॒श्रव॑सं॒ जनं॒ प्रावा॒द्य दु॑हितर्दिवः॥
supeśasaṃ sukhaṃ rathaṃ yamadhyasthā uṣastvam |tenā suśravasaṃ janaṃ prāvādya duhitardivaḥ ||
Our plain-language meaning of this verse is waiting for scholar review.