योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-160, verse-45

दारुणेनातिशीतेन देहं पाषाणतां गतम् ।
भूताङ्गारमयानन्तमरुमार्गास्पदं वपुः ॥ ४५ ॥

dāruṇenātiśītena dehaṃ pāṣāṇatāṃ gatam ,
bhūtāṅgāramayānantamarumārgāspadaṃ vapuḥ 45

45. dāruṇena atiśītena deham pāṣāṇatām gatam
bhūtāṅgāramayānantamarumārgāspadam vapuḥ

45. deham dāruṇena atiśītena pāṣāṇatām gatam
vapuḥ bhūtāṅgāramayānantamarumārgāspadam

45. The body (deha) has turned to a stone-like state due to the terrible, extreme cold; this form (vapuḥ) becomes a ground for endless desert paths that are filled with charcoal.

Words meanings summery:

• दारुणेन (dāruṇena) - Due to the harshness of the cold. (by terrible, by fierce)

• अतिशीतेन (atiśītena) - Due to the intense cold. (by very cold, by extremely cold)

• देहम् (deham) - The physical form, subject to transformation. (body)

• पाषाणताम् (pāṣāṇatām) - The transformation into a stone-like substance. (stoniness, state of being stone)

• गतम् (gatam) - Has undergone the transformation to a stone-like state. (gone, reached, attained)

• भूताङ्गारमयानन्तमरुमार्गास्पदम् (bhūtāṅgāramayānantamarumārgāspadam) - A body that serves as a location for vast, charcoal-filled desert routes, implying desolation and torment. (a dwelling place for endless desert paths made of burnt charcoal)

• वपुः (vapuḥ) - The physical manifestation, as it undergoes transformation. (body, form, figure)

Words meanings and morphology

दारुणेन (dāruṇena) - Due to the harshness of the cold. (by terrible, by fierce)

(adjective)

Instrumental, neuter, singular of dāruṇa

dāruṇa - terrible, fierce, harsh, cruel

Note: Qualifies 'atiśītena'.

अतिशीतेन (atiśītena) - Due to the intense cold. (by very cold, by extremely cold)

(adjective)

Instrumental, neuter, singular of atiśīta

atiśīta - very cold, exceedingly cold

Compound of ati (prefix for 'very') and śīta (cold).

Compound type : karmadhāraya (ati+śīta)

• ati – very, exceedingly, surpassing
  indeclinable
• śīta – cold, chill
  noun (neuter)
  Past Passive Participle of √śyā (to become cold), used as an adjective/noun.
  Root: śyā

Note: Specifies the quality of cold causing the transformation.

देहम् (deham) - The physical form, subject to transformation. (body)

(noun)

Accusative, masculine, singular of deha

deha - body, form, person

Root: dih (class 4)

Note: Subject of the implied verb 'has attained', or simply descriptive.

पाषाणताम् (pāṣāṇatām) - The transformation into a stone-like substance. (stoniness, state of being stone)

(noun)

Accusative, feminine, singular of pāṣāṇatā

pāṣāṇatā - stoniness, state of being stone

Derived from pāṣāṇa with tā suffix (abstract noun).

Note: The state achieved by the body.

गतम् (gatam) - Has undergone the transformation to a stone-like state. (gone, reached, attained)

(adjective)

Accusative, masculine, singular of gata

gata - gone, reached, attained, obtained

Past Passive Participle

Derived from root √gam (to go) with kta suffix.

Root: gam (class 1)

Note: Describes the state the body has reached, agreeing with 'deham'.

भूताङ्गारमयानन्तमरुमार्गास्पदम् (bhūtāṅgāramayānantamarumārgāspadam) - A body that serves as a location for vast, charcoal-filled desert routes, implying desolation and torment. (a dwelling place for endless desert paths made of burnt charcoal)

(noun)

Nominative, neuter, singular of bhūtāṅgāramayānantamarumārgāspada

bhūtāṅgāramayānantamarumārgāspada - a dwelling place for endless desert paths made of burnt charcoal

Long descriptive compound.

Compound type : tatpuruṣa (bhūtāṅgāramaya+ananta+marumārga+āspada)

• bhūtāṅgāramaya – made of burnt charcoal/cinders
  adjective
  Compound of bhūta and aṅgāra, with maya suffix. bhūta means 'become', aṅgāra means 'charcoal'. So 'become charcoal' or 'burnt charcoal'.
• bhūta – become, been, past, burnt (as in 'bhūta-agni' for extinguished fire)
  adjective
  Past Passive Participle
  From root √bhū (to be, become).
  Root: bhū (class 1)
• aṅgāra – charcoal, cinder, live coal
  noun (masculine)
• ananta – endless, infinite, unbounded
  adjective
  From an (negation) + anta (end).
• marumārga – desert path/road
  noun (masculine)
  Compound of maru (desert) and mārga (path).
• maru – desert, wilderness
  noun (masculine)
  Root: mṛ
• mārga – path, road, way
  noun (masculine)
  From √mṛj (to wipe, clean).
  Root: mṛj (class 2)
• āspada – seat, place, abode, object, subject
  noun (neuter)
  From ā-√pad (to go, attain).
  Prefix: ā
  Root: pad (class 4)

Note: Describes the nature of the 'vapuḥ'.

वपुः (vapuḥ) - The physical manifestation, as it undergoes transformation. (body, form, figure)

(noun)

Nominative, neuter, singular of vapus

vapus - body, form, figure, astonishing form

Root √vap (to weave, sow).

Root: vap (class 1)

Note: The subject being described, synonym for 'deha'.