Rigveda 8.6.48

उदा॑नट् ककु॒हो दिव॒मुष्ट्रा॑ञ्चतु॒र्युजो॒ दद॑त् ।श्रव॑सा॒ याद्वं॒ जन॑म्॥

udānaṭ kakuho divamuṣṭrāñcaturyujo dadat |śravasā yādvaṃ janam ||

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