Rigveda 7.72.4

वि चेदु॒च्छन्त्य॑श्विना उ॒षास॒: प्र वां॒ ब्रह्मा॑णि का॒रवो॑ भरन्ते ।ऊ॒र्ध्वं भा॒नुं स॑वि॒ता दे॒वो अ॑श्रेद्बृ॒हद॒ग्नय॑: स॒मिधा॑ जरन्ते॥

vi ceducchantyaśvinā uṣāsa: pra vāṃ brahmāṇi kāravo bharante |ūrdhvaṃ bhānuṃ savitā devo aśredbṛhadagnaya: samidhā jarante ||

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