Mahabharata 7.52.21

उपसंग्रहणं कृत्वा द्रोणाय स विशां पतेउपोपविश्य प्रणतः पर्यपृच्छदिदं तदा

upasaṃgrahaṇaṃ kṛtvā droṇāya sa viśāṃ pateupopaviśya praṇataḥ paryapṛcchadidaṃ tadā

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