Mahabharata 5.49.31

तपश्चचार या घोरं काशिकन्या पुरा सतीभीष्मस्य वधमिच्छन्ती प्रेत्यापि भरतर्षभ

tapaścacāra yā ghoraṃ kāśikanyā purā satībhīṣmasya vadhamicchantī pretyāpi bharatarṣabha

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