योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-186, verse-84

यथैकस्यां सुनिद्रायां सुषुप्तस्वप्नकौ स्थितौ ।
तथैते सर्गसंहारभासौ ब्रह्मणि संस्थिते ॥ ८४ ॥

yathaikasyāṃ sunidrāyāṃ suṣuptasvapnakau sthitau ,
tathaite sargasaṃhārabhāsau brahmaṇi saṃsthite 84

84. yathā ekasyām sunidrāyām suṣuptasvapnakau sthitau
tathā ete sargasaṃhārabhāsau brahmaṇi saṃsthite

84. yathā ekasyām sunidrāyām suṣuptasvapnakau sthitau,
tathā ete sargasaṃhārabhāsau brahmaṇi saṃsthite

84. Just as the states of deep sleep (suṣupti) and dreaming (svapna) are contained within a single deep sleep, similarly, these two, creation (sarga) and dissolution (saṃhāra), exist within Brahman.

Words meanings summery:

• यथा (yathā) - just as (just as, as, in which way)

• एकस्याम् (ekasyām) - in a single (in one, in a single)

• सुनिद्रायाम् (sunidrāyām) - in deep sleep (in deep sleep, in good sleep)

• सुषुप्तस्वप्नकौ (suṣuptasvapnakau) - the states of deep sleep (suṣupti) and dreaming (svapna) (the two states of deep sleep and dream)

• स्थितौ (sthitau) - exist (situated, existing, standing (dual))

• तथा (tathā) - similarly (similarly, so, thus)

• एते (ete) - these two

• सर्गसंहारभासौ (sargasaṁhārabhāsau) - these two, creation (sarga) and dissolution (saṃhāra) (the two manifestations of creation and dissolution)

• ब्रह्मणि (brahmaṇi) - within Brahman (in Brahman, in the ultimate reality)

• संस्थिते (saṁsthite) - exist (are situated) (situated, established, existing (dual))

Words meanings and morphology

यथा (yathā) - just as (just as, as, in which way)

(indeclinable)

एकस्याम् (ekasyām) - in a single (in one, in a single)

(adjective)

Locative, feminine, singular of eka

eka - one, single, unique

सुनिद्रायाम् (sunidrāyām) - in deep sleep (in deep sleep, in good sleep)

(noun)

Locative, feminine, singular of sunidrā

sunidrā - deep sleep, good sleep

Compound type : karmadhāraya (su+nidrā)

• su – good, well, excellent
  indeclinable
• nidrā – sleep, slumber
  noun (feminine)
  Prefix: ni
  Root: drā (class 2)

सुषुप्तस्वप्नकौ (suṣuptasvapnakau) - the states of deep sleep (suṣupti) and dreaming (svapna) (the two states of deep sleep and dream)

(noun)

Nominative, masculine, dual of suṣuptasvapna

suṣuptasvapna - deep sleep and dream

Compound type : dvandva (suṣupta+svapna)

• suṣupta – deep sleep, dreamless sleep (noun); deeply asleep (participle)
  noun (neuter)
  Past Passive Participle
  Derived from root √svap (to sleep) with prefix su-, meaning 'well', 'deeply'
  Prefix: su
  Root: svap (class 2)
• svapna – dream, sleep
  noun (masculine)
  Root: svap (class 2)

Note: Refers to two states: suṣupti and svapna.

स्थितौ (sthitau) - exist (situated, existing, standing (dual))

(adjective)

Nominative, masculine, dual of sthita

sthita - situated, standing, existing, firm

Past Passive Participle

Derived from root √sthā (to stand)

Root: sthā (class 1)

तथा (tathā) - similarly (similarly, so, thus)

(indeclinable)

एते (ete) - these two

(pronoun)

Nominative, masculine, dual of etad

etad - this (neuter), these (masculine/feminine dual/plural)

Demonstrative pronoun

Note: Refers to `sargasaṃhārabhāsau`.

सर्गसंहारभासौ (sargasaṁhārabhāsau) - these two, creation (sarga) and dissolution (saṃhāra) (the two manifestations of creation and dissolution)

(noun)

Nominative, masculine, dual of sargasaṃhārabhāsa

sargasaṁhārabhāsa - manifestation of creation and dissolution

Compound type : dvandva (sarga+saṃhāra+bhāsa)

• sarga – creation, emanation
  noun (masculine)
  From root √sṛj 'to emit, create'
  Root: sṛj (class 6)
• saṃhāra – dissolution, destruction, withdrawal
  noun (masculine)
  From root √hṛ 'to seize, take' with prefix sam-
  Prefix: sam
  Root: hṛ (class 1)
• bhāsa – light, luster, appearance, manifestation
  noun (masculine)
  From root √bhā 'to shine'
  Root: bhā (class 2)

Note: This is a dvandva compound where `sarga` and `saṃhāra` are the two members, and `bhāsau` is the dual form of `bhāsa`, indicating 'the two manifestations (of creation and dissolution)'.

ब्रह्मणि (brahmaṇi) - within Brahman (in Brahman, in the ultimate reality)

(noun)

Locative, neuter, singular of brahman

brahman - Brahman, the Absolute, the ultimate reality

संस्थिते (saṁsthite) - exist (are situated) (situated, established, existing (dual))

(adjective)

Nominative, masculine, dual of saṃsthita

saṁsthita - situated, established, abiding, resting

Past Passive Participle

Derived from root √sthā 'to stand' with prefix sam-

Prefix: sam

Root: sthā (class 1)