Mahabharata 3.188.62

धैर्यं त्यक्त्वा महीपाल दारुणे युगसंक्षयेविकर्माणि करिष्यन्ति शूद्राणां परिचारकाः

dhairyaṃ tyaktvā mahīpāla dāruṇe yugasaṃkṣayevikarmāṇi kariṣyanti śūdrāṇāṃ paricārakāḥ

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