Rigveda 3.1.6

व॒व्राजा॑ सी॒मन॑दती॒रद॑ब्धा दि॒वो य॒ह्वीरव॑साना॒ अन॑ग्नाः ।सना॒ अत्र॑ युव॒तय॒: सयो॑नी॒रेकं॒ गर्भं॑ दधिरे स॒प्त वाणी॑:॥

vavrājā sīmanadatīradabdhā divo yahvīravasānā anagnāḥ |sanā atra yuvataya: sayonīrekaṃ garbhaṃ dadhire sapta vāṇī: ||

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