Rigveda 10.15.8
ये न॒: पूर्वे॑ पि॒तर॑: सो॒म्यासो॑ऽनूहि॒रे सो॑मपी॒थं वसि॑ष्ठाः ।तेभि॑र्य॒मः सं॑ररा॒णो ह॒वींष्यु॒शन्नु॒शद्भि॑: प्रतिका॒मम॑त्तु॥
ye na: pūrve pitara: somyāso'nūhire somapīthaṃ vasiṣṭhāḥ |tebhiryamaḥ saṃrarāṇo havīṃṣyuśannuśadbhi: pratikāmamattu ||
Our plain-language meaning of this verse is waiting for scholar review.