Valmiki Ramayana Aranya Kanda Sarga 28 Shloka 14
Original Shlokaततः सूर्यनिकाशेन रथेन महता खरः। आससाद रणे रामं पतङ्ग इव पावकम्।।3.28.14।।
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ततः then, खरः Khara, सूर्यनिकाशेन glowing like the Sun, महता great, रथेन on a chariot, रामम् to Rama, पतङ्ग insect, पावकम् इव like going towards fire, रणे war, आससाद went forward.
Then Khara mounting a great chariot which was glowing like the Sun, advanced towards Rama just as an insect hurtles towards fire.