Mahabharata 2.17.24
अथ दीर्घस्य कालस्य तपोवनगतो नृपःसभार्यः स्वर्गमगमत्तपस्तप्त्वा बृहद्रथः
atha dīrghasya kālasya tapovanagato nṛpaḥsabhāryaḥ svargamagamattapastaptvā bṛhadrathaḥ
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book