Mahabharata 7.164.73

अश्वत्थामेति हि गजः ख्यातो नाम्ना हतोऽभवत्कृत्वा मनसि तं भीमो मिथ्या व्याहृतवांस्तदा

aśvatthāmeti hi gajaḥ khyāto nāmnā hato'bhavatkṛtvā manasi taṃ bhīmo mithyā vyāhṛtavāṃstadā

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