Mahabharata 13.19.21

तत्र कूपो महान्पार्श्वे देवस्योत्तरतस्तथाऋतवः कालरात्रिश्च ये दिव्या ये च मानुषाः

tatra kūpo mahānpārśve devasyottaratastathāṛtavaḥ kālarātriśca ye divyā ye ca mānuṣāḥ

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