योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-74, verse-6

अरण्यान्येव दत्त्वार्थ चिरं जातशिखामिव ।
मूर्ध्न्यवस्थापितप्राणजटाजूटवलीमिव ॥ ६ ॥

araṇyānyeva dattvārtha ciraṃ jātaśikhāmiva ,
mūrdhnyavasthāpitaprāṇajaṭājūṭavalīmiva 6

6. araṇyāni eva dattvā artha ciram jātaśikhām
iva mūrdhni avasthāpitaprāṇajaṭājūṭavalīm iva

6. araṇyāni eva artha dattvā ciram jātaśikhām
iva mūrdhni avasthāpitaprāṇajaṭājūṭavalīm iva

6. (As if) having given meaning (or substance) to the forests, like one whose topknot has grown for a long time, (or) like a creeper with braided locks of vital energy placed on its head.

Words meanings summery:

• अरण्यानि (araṇyāni) - forests, wilderness

• एव (eva) - just, only, indeed

• दत्त्वा (dattvā) - having given, having granted

• अर्थ (artha) - purpose, meaning, wealth, object

• चिरम् (ciram) - for a long time

• जातशिखाम् (jātaśikhām) - whose topknot has grown

• इव (iva) - like, as if, as

• मूर्ध्नि (mūrdhni) - on the head

• अवस्थापितप्राणजटाजूटवलीम् (avasthāpitaprāṇajaṭājūṭavalīm) - like a creeper with braided locks of vital energy placed on its head

• इव (iva) - like, as if, as

Words meanings and morphology

अरण्यानि (araṇyāni) - forests, wilderness

(noun)

Accusative, neuter, plural of araṇya

araṇya - forest, wilderness, desert

एव (eva) - just, only, indeed

(indeclinable)

दत्त्वा (dattvā) - having given, having granted

(indeclinable)

Absolutive (Gerund)

Derived from root √dā (to give), class 3, with suffix -tvā

Root: dā (class 3)

अर्थ (artha) - purpose, meaning, wealth, object

(noun)

Accusative, masculine, singular of artha

artha - meaning, purpose, object, wealth, desire

Note: Accusative form (artham) is usually expected, but artha is also seen in compounds and poetic usage where -m is elided or implied. Here interpreted as accusative object of 'dattvā'.

चिरम् (ciram) - for a long time

(indeclinable)

Used adverbially here

Note: Adverbial use of neuter accusative singular

जातशिखाम् (jātaśikhām) - whose topknot has grown

(adjective)

Accusative, feminine, singular of jātaśikhā

jātaśikhā - having a grown topknot/crest

Compound type : bahuvrīhi (jāta+śikhā)

• jāta – born, produced, grown, appeared
  adjective (masculine)
  Past Passive Participle
  Derived from root √jan (to be born, produce), class 4
  Root: jan (class 4)
• śikhā – topknot, crest, flame, peak, tuft of hair
  noun (feminine)

इव (iva) - like, as if, as

(indeclinable)

मूर्ध्नि (mūrdhni) - on the head

(noun)

Locative, masculine, singular of mūrdhan

mūrdhan - head, top, summit, forepart

अवस्थापितप्राणजटाजूटवलीम् (avasthāpitaprāṇajaṭājūṭavalīm) - like a creeper with braided locks of vital energy placed on its head

(adjective)

Accusative, feminine, singular of avasthāpitaprāṇajaṭājūṭavalī

avasthāpitaprāṇajaṭājūṭavalī - a creeper whose braided locks of vital energy are placed on the head

Compound type : bahuvrīhi (avasthāpita+prāṇajaṭājūṭa+valī)

• avasthāpita – placed, established, fixed
  adjective (masculine)
  Past Passive Participle (Causative)
  Derived from prefix ava + root √sthā (to stand), class 1, causative form
  Prefix: ava
  Root: sthā (class 1)
• prāṇajaṭājūṭa – braided lock (jūṭa) of matted (jaṭā) vital energy (prāṇa)
  noun (masculine)
• valī – creeper, tendril, line, fold
  noun (feminine)

इव (iva) - like, as if, as

(indeclinable)