Mahabharata 7.125.15

सोऽहं कापुरुषः कृत्वा मित्राणां क्षयमीदृशम्नाश्वमेधसहस्रेण पातुमात्मानमुत्सहे

so'haṃ kāpuruṣaḥ kṛtvā mitrāṇāṃ kṣayamīdṛśamnāśvamedhasahasreṇa pātumātmānamutsahe

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