Rigveda 3.53.10

॥उप॒ प्रेत॑ कुशिकाश्चे॒तय॑ध्व॒मश्वं॑ रा॒ये प्र मु॑ञ्चता सु॒दास॑: ।राजा॑ वृ॒त्रं ज॑ङ्घन॒त् प्रागपा॒गुद॒गथा॑ यजाते॒ वर॒ आ पृ॑थि॒व्याः॥

||upa preta kuśikāścetayadhvamaśvaṃ rāye pra muñcatā sudāsa: |rājā vṛtraṃ jaṅghanat prāgapāgudagathā yajāte vara ā pṛthivyāḥ ||

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