Rigveda 3.7.10
पृ॒क्षप्र॑यजो द्रविणः सु॒वाच॑: सुके॒तव॑ उ॒षसो॑ रे॒वदू॑षुः ।उ॒तो चि॑दग्ने महि॒ना पृ॑थि॒व्याः कृ॒तं चि॒देन॒: सं म॒हे द॑शस्य॥
pṛkṣaprayajo draviṇaḥ suvāca: suketava uṣaso revadūṣuḥ |uto cidagne mahinā pṛthivyāḥ kṛtaṃ cidena: saṃ mahe daśasya ||
Our plain-language meaning of this verse is waiting for scholar review.