Rigveda 8.7.26

उ॒शना॒ यत्प॑रा॒वत॑ उ॒क्ष्णो रन्ध्र॒मया॑तन ।द्यौर्न च॑क्रदद्भि॒या॥

uśanā yatparāvata ukṣṇo randhramayātana |dyaurna cakradadbhiyā ||

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