Rigveda 1.117.4
अश्वं॒ न गू॒ह्लम॑श्विना दु॒रेवी॒र्ऋषिं॑ नरा वृषणा रे॒भम॒प्सु ।सं तं रि॑णीथो॒ विप्रु॑तं॒ दंसो॑भि॒र्न वां॑ जूर्यन्ति पू॒र्व्या कृ॒तानि॑॥
aśvaṃ na gūhlamaśvinā durevīrṛṣiṃ narā vṛṣaṇā rebhamapsu |saṃ taṃ riṇītho viprutaṃ daṃsobhirna vāṃ jūryanti pūrvyā kṛtāni ||
Our plain-language meaning of this verse is waiting for scholar review.