योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-75, verse-38

रूढं वह्निमिवाधातुं चित्रसौधलताश्रयम् ।
अनन्त इव विन्यास वनयौवनपावकः ॥ ३८ ॥

rūḍhaṃ vahnimivādhātuṃ citrasaudhalatāśrayam ,
ananta iva vinyāsa vanayauvanapāvakaḥ 38

38. rūḍham vahnim iva ādhātum citrasaudhalatāśrayam .
anantaḥ iva vinyāsaḥ vanayauvanapāvakaḥ ||

38. (saḥ viṃdhyaḥ) rūḍham vahnim ādhātum iva citrasaudhalatāśrayam (dṛśyate) .
vanayauvanapāvakaḥ anantaḥ iva vinyāsaḥ (āsīt)

38. (The mountain was) as if to sustain a risen fire, serving as an abode for wondrous palaces and creepers. The vigorous forest fire was like an endless arrangement.

Words meanings summery:

• रूढम् (rūḍham) - grown, arisen, established

• वह्निम् (vahnim) - fire

• इव (iva) - like, as if

• आधातुम् (ādhātum) - to hold, to sustain, to place

• चित्रसौधलताश्रयम् (citrasaudhalatāśrayam) - referring to the mountain as a refuge for such features (that which has wondrous palaces and creepers as its abode)

• अनन्तः (anantaḥ) - infinite, endless

• इव (iva) - like, as if

• विन्यासः (vinyāsaḥ) - arrangement, disposition

• वनयौवनपावकः (vanayauvanapāvakaḥ) - the vigorous forest fire, the fire of forest-youth

Words meanings and morphology

रूढम् (rūḍham) - grown, arisen, established

(adjective)

Accusative, masculine, singular of rūḍha

rūḍha - grown, risen, mounted, established, customary

Past Passive Participle

From root 'ruh' (to grow, ascend)

Root: ruh (class 1)

वह्निम् (vahnim) - fire

(noun)

Accusative, masculine, singular of vahni

vahni - fire, Agni (god of fire), carrier, horse

Root: vah (class 1)

इव (iva) - like, as if

(indeclinable)

आधातुम् (ādhātum) - to hold, to sustain, to place

(indeclinable)

Infinitive

Infinitive form of root 'dhā' (to place, hold) with prefix 'ā'

Prefix: ā

Root: dhā (class 3)

चित्रसौधलताश्रयम् (citrasaudhalatāśrayam) - referring to the mountain as a refuge for such features (that which has wondrous palaces and creepers as its abode)

(noun)

Accusative, masculine, singular of citrasaudhalatāśraya

citrasaudhalatāśraya - abode of wondrous palaces and creepers

Compound type : tatpuruṣa (citra+saudha+latā+āśraya)

• citra – colorful, wondrous, variegated, strange
  adjective
• saudha – palace, mansion, stuccoed house
  noun (masculine/neuter)
• latā – creeper, vine, winding plant
  noun (feminine)
• āśraya – abode, refuge, shelter, support
  noun (masculine/neuter)
  Root: śri (class 1)

अनन्तः (anantaḥ) - infinite, endless

(adjective)

Nominative, masculine, singular of ananta

ananta - infinite, endless, boundless; the infinite (often referring to Viṣṇu or the cosmic serpent Śeṣa)

Negative compound (na + anta)

Note: The Devanagari 'अनन्त' is likely a poetic elision of 'अनन्तः' (nominative singular masculine), agreeing with 'vinyāsaḥ'.

इव (iva) - like, as if

(indeclinable)

विन्यासः (vinyāsaḥ) - arrangement, disposition

(noun)

Nominative, masculine, singular of vinyāsa

vinyāsa - arrangement, disposition, orderly placement, order, composition

From root 'as' (to throw) with prefixes 'vi' and 'ni'

Prefixes: vi+ni

Root: as (class 4)

Note: The Devanagari 'विन्यास' is likely a poetic elision of 'विन्यासः' (nominative singular masculine).

वनयौवनपावकः (vanayauvanapāvakaḥ) - the vigorous forest fire, the fire of forest-youth

(noun)

Nominative, masculine, singular of vanayauvanapāvaka

vanayauvanapāvaka - vigorous forest fire, fire in the youth of the forest

Compound type : tatpuruṣa (vana+yauvana+pāvaka)

• vana – forest, wood, grove
  noun (neuter)
• yauvana – youth, prime of life, vigor
  noun (neuter)
• pāvaka – fire, purifying, clean, Agni
  noun (masculine)
  Derived from root 'pū' (to purify)
  Root: pū (class 1)