योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-110, verse-18

हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बरम् ।
वलीपलितनिर्मुक्तशूराक्रान्तत्रिविष्टपम् ॥ १८ ॥

hetisaṃghaṭṭaniṣkrāntajvālāprajvalitāmbaram ,
valīpalitanirmuktaśūrākrāntatriviṣṭapam 18

18. हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बरम्
वलीपलितनिर्मुक्तशूराक्रान्तत्रिविष्टपम्

18. हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बरम्
वलीपलितनिर्मुक्तशूराक्रान्तत्रिविष्टपम्

18. On the battlefield, where the sky was set ablaze by flames erupting from the clash of weapons, and where heroes, free from wrinkles and gray hair, were conquering the heavenly realms.

Words meanings summery:

• हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बरम् (हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बरम्) - describing a battlefield where weapon clashes create intense flames lighting up the sky (having the sky ablaze with flames emerging from the clash of weapons)

• वलीपलितनिर्मुक्तशूराक्रान्तत्रिविष्टपम् (वलीपलितनिर्मुक्तशूराक्रान्तत्रिविष्टपम्) - describing a battlefield where young, valiant heroes achieve victory and ascend to the heavens (having heroes, free from wrinkles and gray hair, conquering the heavens)

Words meanings and morphology

हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बरम् (हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बरम्) - describing a battlefield where weapon clashes create intense flames lighting up the sky (having the sky ablaze with flames emerging from the clash of weapons)

(adjective)

Accusative, neuter, singular of हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बर

हेतिसंघट्टनिष्क्रान्तज्वालाप्रज्वलिताम्बर - having the sky (ambara) set ablaze (prajvalita) by flames (jvālā) emerged (niṣkrānta) from the clash (saṃghaṭṭa) of weapons (heti)

Bahuvrihi compound functioning as an adjective.

Compound type : Bahuvrihi (हेति+संघट्ट+निष्क्रान्त+ज्वाला+प्रज्वलित+अम्बर)

• हेति – weapon, missile, flame
  noun (feminine)
• संघट्ट – clash, collision, friction
  noun (masculine)
  Derived from root 'ghaṭṭ' (to move, stir) with prefix 'sam'.
  Prefix: सम्
  Root: ghaṭṭ (class 1)
• निष्क्रान्त – emerged, come forth, issued
  adjective (masculine)
  Past Passive Participle
  Derived from root 'kram' (to step, go, class 1) with prefixes 'nis'.
  Prefix: निस्
  Root: kram (class 1)
• ज्वाला – flame, blaze, glow
  noun (feminine)
• प्रज्वलित – ablaze, ignited, brightly burning
  adjective (masculine)
  Past Passive Participle
  Derived from root 'jval' (to burn, shine, class 1) with prefix 'pra'.
  Prefix: प्र
  Root: jval (class 1)
• अम्बर – sky, atmosphere, garment
  noun (neuter)

Note: This entire long compound describes an implied accusative singular neuter noun (e.g., 'battlefield').

वलीपलितनिर्मुक्तशूराक्रान्तत्रिविष्टपम् (वलीपलितनिर्मुक्तशूराक्रान्तत्रिविष्टपम्) - describing a battlefield where young, valiant heroes achieve victory and ascend to the heavens (having heroes, free from wrinkles and gray hair, conquering the heavens)

(adjective)

Accusative, neuter, singular of वलीपलितनिर्मुक्तशूराक्रान्तत्रिविष्टप

वलीपलितनिर्मुक्तशūrākrāntatriviṣṭapa - having heavens (triviṣṭapa) conquered (ākrānta) by heroes (śūra) freed from (nirmukta) wrinkles (valī) and gray hair (palita)

Bahuvrihi compound functioning as an adjective.

Compound type : Bahuvrihi (वली+पलित+निर्मुक्त+शूर+आक्रान्त+त्रिविष्टप)

• वली – wrinkle, fold, crease
  noun (feminine)
• पलित – gray hair, hoary
  noun (neuter)
• निर्मुक्त – freed from, devoid of, released
  adjective (masculine)
  Past Passive Participle
  Derived from root 'muc' (to release, class 6) with prefix 'nir'.
  Prefix: निर्
  Root: muc (class 6)
• शूर – hero, valiant warrior, brave
  noun (masculine)
• आक्रान्त – conquered, overcome, pervaded
  adjective (masculine)
  Past Passive Participle
  Derived from root 'kram' (to step, go, class 1) with prefix 'ā'.
  Prefix: आ
  Root: kram (class 1)
• त्रिविष्टप – heaven, celestial region, abode of gods
  noun (neuter)

Note: This entire long compound describes an implied accusative singular neuter noun (e.g., 'battlefield').