Mahabharata 4.8.2
वासश्च परिधायैकं कृष्णं सुमलिनं महत्कृत्वा वेषं च सैरन्ध्र्याः कृष्णा व्यचरदार्तवत्
vāsaśca paridhāyaikaṃ kṛṣṇaṃ sumalinaṃ mahatkṛtvā veṣaṃ ca sairandhryāḥ kṛṣṇā vyacaradārtavat
Our plain-language meaning of this verse is waiting for scholar review.