योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-75, verse-15

ज्वालाघनपटाटोपसिन्दुरीकृतपर्वतम् ।
दीप्यमानमहागारस्थिरविद्युत्ककुत्पटम् ॥ १५ ॥

jvālāghanapaṭāṭopasindurīkṛtaparvatam ,
dīpyamānamahāgārasthiravidyutkakutpaṭam 15

15. jvālāghanapaṭāṭopasindurīkṛtaparvatam
dīpyamānamahāgārasthiravidyutkakutpaṭam

15. jvālāghanapaṭāṭopasindurīkṛtaparvatam
dīpyamānamahāgārasthiravidyutkakutpaṭam

15. It featured mountains reddened like vermilion by the overwhelming display of dense layers of flames, and the expanse of its cardinal points resembled constant lightning within a vast, blazing abode.

Words meanings summery:

• ज्वालाघनपटाटोपसिन्दुरीकृतपर्वतम् (jvālāghanapaṭāṭopasindurīkṛtaparvatam) - having mountains reddened like vermilion by the overwhelming display of dense layers of flames

• दीप्यमानमहागारस्थिरविद्युत्ककुत्पटम् (dīpyamānamahāgārasthiravidyutkakutpaṭam) - having the expanse of directions/peaks like constant lightning within a vast, blazing abode

Words meanings and morphology

ज्वालाघनपटाटोपसिन्दुरीकृतपर्वतम् (jvālāghanapaṭāṭopasindurīkṛtaparvatam) - having mountains reddened like vermilion by the overwhelming display of dense layers of flames

(adjective)

Accusative, neuter, singular of jvālāghanapaṭāṭopasindurīkṛtaparvata

jvālāghanapaṭāṭopasindurīkṛtaparvata - having mountains reddened like vermilion by the dense display of layers of flames

Compound type : bahuvrīhi (jvālā+ghana+paṭa+āṭopa+sindurīkṛta+parvata)

• jvālā – flame, blaze, glow
  noun (feminine)
• ghana – dense, thick, compact, abundant
  adjective (masculine)
• paṭa – cloth, fabric, layer, expanse
  noun (masculine)
• āṭopa – pomp, display, abundance, tumult
  noun (masculine)
  Prefix: ā
• sindurīkṛta – reddened with vermilion
  adjective (masculine)
  Past Passive Participle
  Derived from sindūra (vermilion) + kṛ (to make) + kta suffix
  Root: kṛ (class 8)
• parvata – mountain, hill
  noun (masculine)

दीप्यमानमहागारस्थिरविद्युत्ककुत्पटम् (dīpyamānamahāgārasthiravidyutkakutpaṭam) - having the expanse of directions/peaks like constant lightning within a vast, blazing abode

(adjective)

Accusative, neuter, singular of dīpyamānamahāgārasthiravidyutkakutpaṭa

dīpyamānamahāgārasthiravidyutkakutpaṭa - having the expanse of directions like fixed lightning within a blazing great dwelling

Compound type : bahuvrīhi (dīpyamāna+mahāgāra+sthira+vidyut+kakut+paṭa)

• dīpyamāna – shining, blazing, glowing
  adjective (masculine)
  Present Passive Participle (Ātmanepada)
  Derived from root dīp (to shine, blaze) + śānac suffix
  Root: dīp (class 4)
• mahāgāra – great house, vast dwelling, grand abode
  noun (neuter)
• sthira – fixed, steady, firm, constant
  adjective (masculine)
• vidyut – lightning, flash
  noun (feminine)
• kakut – direction, cardinal point, peak, summit
  noun (feminine)
• paṭa – cloth, fabric, layer, expanse
  noun (masculine)