Mahabharata 8.8.40

ततः साधुविसृष्टेन क्षुरेण पुरुषर्षभःछित्त्वा शरासनं शत्रोर्नागमामित्रमार्दयत्

tataḥ sādhuvisṛṣṭena kṣureṇa puruṣarṣabhaḥchittvā śarāsanaṃ śatrornāgamāmitramārdayat

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