Mahabharata 5.92.37
आसनं सर्वतोभद्रं जाम्बूनदपरिष्कृतम्कृष्णार्थे कल्पितं तत्र धृतराष्ट्रस्य शासनात्
āsanaṃ sarvatobhadraṃ jāmbūnadapariṣkṛtamkṛṣṇārthe kalpitaṃ tatra dhṛtarāṣṭrasya śāsanāt
Our plain-language meaning of this verse is waiting for scholar review.