Mahabharata 7.147.14
ततो द्रोणोऽहरत्प्राणान्क्षत्रियाणां विशां पतेरश्मिभिर्भास्करो राजंस्तमसामिव भारत
tato droṇo'haratprāṇānkṣatriyāṇāṃ viśāṃ pateraśmibhirbhāskaro rājaṃstamasāmiva bhārata
Our plain-language meaning of this verse is waiting for scholar review.