Rigveda 1.71.8

आ यदि॒षे नृ॒पतिं॒ तेज॒ आन॒ट् छुचि॒ रेतो॒ निषि॑क्तं॒ द्यौर॒भीके॑ ।अ॒ग्निः शर्ध॑मनव॒द्यं युवा॑नं स्वा॒ध्यं॑ जनयत् सू॒दय॑च्च॥

ā yadiṣe nṛpatiṃ teja ānaṭ chuci reto niṣiktaṃ dyaurabhīke |agniḥ śardhamanavadyaṃ yuvānaṃ svādhyaṃ janayat sūdayacca ||

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