Rigveda 1.162.6
यू॒प॒व्र॒स्का उ॒त ये यू॑पवा॒हाश्च॒षालं॒ ये अ॑श्वयू॒पाय॒ तक्ष॑ति ।ये चार्व॑ते॒ पच॑नं स॒म्भर॑न्त्यु॒तो तेषा॑म॒भिगू॑र्तिर्न इन्वतु॥
yūpavraskā uta ye yūpavāhāścaṣālaṃ ye aśvayūpāya takṣati |ye cārvate pacanaṃ sambharantyuto teṣāmabhigūrtirna invatu ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book