योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-48, verse-41

अन्धकारप्रवृत्तेन मषीपङ्कार्णवोपमम् ।
कज्जलाचलसंभारोद्भूतकल्पानिलैरिव ॥ ४१ ॥

andhakārapravṛttena maṣīpaṅkārṇavopamam ,
kajjalācalasaṃbhārodbhūtakalpānilairiva 41

41. andhakārapravṛttena maṣīpaṅkārṇavopamam
kajjalācalasaṃbhārodbhūtakalpānilaiḥ iva

41. andhakārapravṛttena maṣīpaṅkārṇavopamam
kajjalācalasaṃbhārodbhūtakalpānilaiḥ iva

41. With darkness having begun, it resembled an ocean of muddy ink, as if (it were caused) by the winds of cosmic dissolution (kalpānila) arising from massive heaps of collyrium-mountains.

Words meanings summery:

• अन्धकारप्रवृत्तेन (andhakārapravṛttena) - by the darkness that had begun, by the onset of darkness

• मषीपङ्कार्णवोपमम् (maṣīpaṅkārṇavopamam) - like an ocean of ink-mud, comparable to a sea of muddy ink

• कज्जलाचलसंभारोद्भूतकल्पानिलैः (kajjalācalasaṁbhārodbhūtakalpānilaiḥ) - by the winds of cosmic dissolution (kalpānila) arising from masses of collyrium-mountains

• इव (iva) - like, as if, as it were

Words meanings and morphology

अन्धकारप्रवृत्तेन (andhakārapravṛttena) - by the darkness that had begun, by the onset of darkness

(adjective)

Instrumental, neuter, singular of andhakārapravṛtta

andhakārapravṛtta - darkness that has set in; spread of darkness

Compound type : tatpuruṣa (andhakāra+pravṛtta)

• andhakāra – darkness, gloom
  noun (masculine)
• pravṛtta – commenced, begun, set in, spread
  adjective (neuter)
  Past Passive Participle
  Derived from root vṛt- with prefix pra-
  Prefix: pra
  Root: vṛt (class 1)

मषीपङ्कार्णवोपमम् (maṣīpaṅkārṇavopamam) - like an ocean of ink-mud, comparable to a sea of muddy ink

(adjective)

neuter, singular of maṣīpaṅkārṇavopama

maṣīpaṅkārṇavopama - resembling an ocean of ink-mud

Compound type : tatpuruṣa/upama (maṣī+paṅka+arṇava+upama)

• maṣī – ink, soot
  noun (feminine)
• paṅka – mud, mire, dirt
  noun (masculine)
• arṇava – ocean, sea
  noun (masculine)
• upama – comparison, resemblance, like
  adjective (neuter)

कज्जलाचलसंभारोद्भूतकल्पानिलैः (kajjalācalasaṁbhārodbhūtakalpānilaiḥ) - by the winds of cosmic dissolution (kalpānila) arising from masses of collyrium-mountains

(noun)

Instrumental, masculine, plural of kajjalācalasaṃbhārodbhūtakalpānila

kajjalācalasaṁbhārodbhūtakalpānila - winds of cosmic dissolution (kalpānila) arising from masses of collyrium-mountains

Compound type : tatpuruṣa/bahuvrihi (kajjala+acala+saṃbhāra+udbhūta+kalpānila)

• kajjala – collyrium, lampblack, soot
  noun (neuter)
• acala – mountain, immovable
  noun (masculine)
• saṃbhāra – mass, collection, multitude
  noun (masculine)
• udbhūta – sprung up, arisen, produced, born
  adjective (masculine)
  Past Passive Participle
  Derived from root bhū- with prefix ud-
  Prefix: ud
  Root: bhū (class 1)
• kalpānila – wind of cosmic dissolution, wind at the end of a kalpa
  noun (masculine)

इव (iva) - like, as if, as it were

(indeclinable)