Mahabharata 1.132.18

तत्तथेति प्रतिज्ञाय कौरवाय पुरोचनःप्रायाद्रासभयुक्तेन नगरं वारणावतम्

tattatheti pratijñāya kauravāya purocanaḥprāyādrāsabhayuktena nagaraṃ vāraṇāvatam

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