योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-80, verse-8

कल्पान्तजगदाकारं कृष्णमापूरिताम्बरम् ।
आकल्पं संभृतं नैशं देहेनेवोत्थितं तमः ॥ ८ ॥

kalpāntajagadākāraṃ kṛṣṇamāpūritāmbaram ,
ākalpaṃ saṃbhṛtaṃ naiśaṃ dehenevotthitaṃ tamaḥ 8

8. kalpa-anta-jagat-ākāram kṛṣṇam āpūrita-ambaram
ākalpam saṃbhṛtam naiśam dehena iva utthitam tamaḥ

8. tamaḥ kalpa-anta-jagat-ākāram kṛṣṇam āpūrita-ambaram
ākalpam saṃbhṛtam naiśam dehena iva utthitam

8. This was darkness (tamas) of the form of the universe at the end of an eon (kalpa), black, completely filling the sky, having accumulated throughout the cosmic age (kalpa), nocturnal, as if it had arisen embodied.

Words meanings summery:

• कल्प-अन्त-जगत्-आकारम् (kalpa-anta-jagat-ākāram) - having the form of the world at the end of a cosmic age

• कृष्णम् (kṛṣṇam) - black, dark, dark-blue

• आपूरित-अम्बरम् (āpūrita-ambaram) - filling the sky, having the sky filled

• आकल्पम् (ākalpam) - having accumulated throughout the cosmic age (kalpa) (to the end of a cosmic age, throughout a kalpa, forever)

• संभृतम् (saṁbhṛtam) - gathered, accumulated, collected

• नैशम् (naiśam) - nocturnal, dark, relating to night

• देहेन (dehena) - by the body

• इव (iva) - as if, like, as it were

• उत्थितम् (utthitam) - risen, appeared, emerged

• तमः (tamaḥ) - darkness, gloom

Words meanings and morphology

कल्प-अन्त-जगत्-आकारम् (kalpa-anta-jagat-ākāram) - having the form of the world at the end of a cosmic age

(adjective)

Accusative, neuter, singular of kalpa-anta-jagat-ākāra

kalpa-anta-jagat-ākāra - one whose form is that of the world at the end of a cosmic age

Compound type : Tatpuruṣa (kalpa+anta+jagat+ākāra)

• kalpa – a cosmic age, an eon (often refers to a period of creation and dissolution)
  noun (masculine)
• anta – end, limit, conclusion
  noun (masculine)
• jagat – world, universe, creation
  noun (neuter)
• ākāra – form, shape, appearance
  noun (masculine)

Note: Modifies 'tamaḥ' (darkness).

कृष्णम् (kṛṣṇam) - black, dark, dark-blue

(adjective)

Accusative, neuter, singular of kṛṣṇa

kṛṣṇa - black, dark, dark-blue

Note: Modifies 'tamaḥ' (darkness).

आपूरित-अम्बरम् (āpūrita-ambaram) - filling the sky, having the sky filled

(adjective)

Accusative, neuter, singular of āpūrita-ambara

āpūrita-ambara - one that has filled the sky, having the sky filled

Compound type : Bahuvrīhi (āpūrita+ambara)

• āpūrita – filled, complete
  adjective
  Past Passive Participle
  Derived from root 'pūr' with prefix 'ā'.
  Prefix: ā
  Root: pūr (class 10)
• ambara – sky, atmosphere, space
  noun (neuter)

Note: Modifies 'tamaḥ' (darkness).

आकल्पम् (ākalpam) - having accumulated throughout the cosmic age (kalpa) (to the end of a cosmic age, throughout a kalpa, forever)

(indeclinable)

Note: Functions as an adverb for 'saṃbhṛtam'.

संभृतम् (saṁbhṛtam) - gathered, accumulated, collected

(adjective)

Accusative, neuter, singular of saṃbhṛta

saṁbhṛta - gathered, collected, accumulated, brought together

Past Passive Participle

Derived from root 'bhṛ' with prefix 'sam'.

Prefix: sam

Root: bhṛ (class 1)

Note: Modifies 'tamaḥ' (darkness).

नैशम् (naiśam) - nocturnal, dark, relating to night

(adjective)

Accusative, neuter, singular of naiśa

naiśa - nocturnal, relating to night, dark

Derived from 'niśā' (night).

Note: Modifies 'tamaḥ' (darkness).

देहेन (dehena) - by the body

(noun)

Instrumental, masculine, singular of deha

deha - body, form

इव (iva) - as if, like, as it were

(indeclinable)

उत्थितम् (utthitam) - risen, appeared, emerged

(adjective)

Accusative, neuter, singular of utthita

utthita - risen, stood up, emerged, originated

Past Passive Participle

Derived from root 'sthā' (to stand) with prefix 'ud'.

Prefix: ud

Root: sthā (class 1)

Note: Modifies 'tamaḥ' (darkness).

तमः (tamaḥ) - darkness, gloom

(noun)

Nominative, neuter, singular of tamas

tamas - darkness, gloom, ignorance, quality of inertia (Tamas)

Note: Subject of the implied verb 'was' and described by the preceding participles.