Mahabharata 9.56.6

तथा तस्मिन्वर्तमाने संकुले तुमुले भृशम्उभावपि परिश्रान्तौ युध्यमानावरिंदमौ

tathā tasminvartamāne saṃkule tumule bhṛśamubhāvapi pariśrāntau yudhyamānāvariṃdamau

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