Rigveda 1.180.4
यु॒वं ह॑ घ॒र्मं मधु॑मन्त॒मत्र॑ये॒ ऽपो न क्षोदो॑ऽवृणीतमे॒षे ।तद् वां॑ नरावश्विना॒ पश्व॑इष्टी॒ रथ्ये॑व च॒क्रा प्रति॑ यन्ति॒ मध्व॑:॥
yuvaṃ ha gharmaṃ madhumantamatraye 'po na kṣodo'vṛṇītameṣe |tad vāṃ narāvaśvinā paśvaiṣṭī rathyeva cakrā prati yanti madhva: ||
Our plain-language meaning of this verse is waiting for scholar review.