Ābhūta-saṃplava & Loka-vibhāga
Dissolution Threshold and the Fourteen Abodes
घोरात्वाद्रौरवः प्रोक्तः सोष्णको दहनः स्मृतः / सुदारुणस्तु शीतात्मा त्स्याधस्तात्तपो ऽधमः
ghorātvādrauravaḥ proktaḥ soṣṇako dahanaḥ smṛtaḥ / sudāruṇastu śītātmā tsyādhastāttapo 'dhamaḥ
Because of its dreadfulness it is called Raurava, remembered as a hell of scorching heat; yet beneath it lies Tapa, more cruel still, cold in nature.