Rigveda 3.28.5

अग्ने॑ तृ॒तीये॒ सव॑ने॒ हि कानि॑षः पुरो॒ळाशं॑ सहसः सून॒वाहु॑तम् ।अथा॑ दे॒वेष्व॑ध्व॒रं वि॑प॒न्यया॒ धा रत्न॑वन्तम॒मृते॑षु॒ जागृ॑विम्॥

agne tṛtīye savane hi kāniṣaḥ puroḷāśaṃ sahasaḥ sūnavāhutam |athā deveṣvadhvaraṃ vipanyayā dhā ratnavantamamṛteṣu jāgṛvim ||

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