Mahabharata 5.181.36

एवं तदभवद्युद्धं तदा भरतसत्तमसंध्याकाले व्यतीते तु व्यपायात्स च मे गुरुः

evaṃ tadabhavadyuddhaṃ tadā bharatasattamasaṃdhyākāle vyatīte tu vyapāyātsa ca me guruḥ

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