योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-208, verse-9

चिद्रूपब्रह्मसंकल्पवशादेवैतदङ्ग सत् ।
चिदुन्मेषनिमेषौ यौ तावेतौ प्रलयोदयौ ॥ ९ ॥

cidrūpabrahmasaṃkalpavaśādevaitadaṅga sat ,
cidunmeṣanimeṣau yau tāvetau pralayodayau 9

9. citrūpabrahmasaṅkalpavaśāt eva etat aṅga sat
cit unmeṣanimeṣau yau tau etau pralayodayau

9. aṅga etat citrūpabrahmasaṅkalpavaśāt eva sat (bhavati).
yau cit unmeṣanimeṣau tau etau pralayodayau (sthaḥ).

9. Indeed, my dear (aṅga), this (world) exists (sat) solely by the power of the will (saṅkalpa) of Brahman (brahman), whose essential nature (rūpa) is consciousness (cit). The opening and closing of (that) consciousness (cit) are precisely what constitute dissolution and creation.

Words meanings summery:

• चित्रूपब्रह्मसङ्कल्पवशात् (citrūpabrahmasaṅkalpavaśāt) - by the power of the will of Brahman, whose nature is consciousness

• एव (eva) - indeed, only, just, precisely

• एतत् (etat) - this (neuter nominative singular)

• अङ्ग (aṅga) - An address to a dear one, often a pupil or companion. (O dear one; O limb, O part)

• सत् (sat) - existent, real

• चित् (cit) - consciousness, pure intelligence

• उन्मेषनिमेषौ (unmeṣanimeṣau) - the opening and closing (of eyes/consciousness)

• यौ (yau) - which two (masculine nominative dual)

• तौ (tau) - those two (masculine nominative dual)

• एतौ (etau) - these two (masculine nominative dual)

• प्रलयोदयौ (pralayodayau) - dissolution and creation

Words meanings and morphology

चित्रूपब्रह्मसङ्कल्पवशात् (citrūpabrahmasaṅkalpavaśāt) - by the power of the will of Brahman, whose nature is consciousness

(noun)

Ablative, masculine, singular of citrūpabrahmasaṅkalpavaśa

citrūpabrahmasaṅkalpavaśa - the control or power (vaśa) stemming from the will (saṅkalpa) of Brahman, whose form/nature (rūpa) is consciousness (cit)

Compound type : tatpuruṣa (cit+rūpa+brahman+saṅkalpa+vaśa)

• cit – consciousness, intelligence, thought
  noun (feminine)
• rūpa – form, nature, appearance, beauty
  noun (neuter)
• brahman – Brahman, the Absolute, the ultimate reality
  noun (neuter)
  Root: bṛh (class 1)
• saṅkalpa – will, resolve, intention, conception, purpose
  noun (masculine)
  From 'sam-' + root 'kḷp' (to be in order)
  Prefix: sam
  Root: kḷp (class 1)
• vaśa – will, power, control, authority
  noun (masculine)

Note: The compound is a series of Tatpurusha compounds, with the final element 'vaśa' being in the ablative case.

एव (eva) - indeed, only, just, precisely

(indeclinable)

एतत् (etat) - this (neuter nominative singular)

(pronoun)

Nominative, neuter, singular of etad

etad - this, this here

Note: Refers to 'jagat' (world) implicitly from the previous verse.

अङ्ग (aṅga) - An address to a dear one, often a pupil or companion. (O dear one; O limb, O part)

(noun)

Vocative, masculine, singular of aṅga

aṅga - limb, body, part, component; dear one (vocative)

सत् (sat) - existent, real

(adjective)

Nominative, neuter, singular of sat

sat - existent, real, good, true; being

Present Active Participle

From root 'as' (to be) + participle suffix '-at'

Root: as (class 2)

Note: Modifies 'etat'.

चित् (cit) - consciousness, pure intelligence

(noun)

Nominative, feminine, singular of cit

cit - consciousness, pure intelligence, thought, understanding

From root 'cit' (to perceive, observe, know)

Root: cit (class 1)

उन्मेषनिमेषौ (unmeṣanimeṣau) - the opening and closing (of eyes/consciousness)

(noun)

Nominative, masculine, dual of unmeṣanimeṣa

unmeṣanimeṣa - opening and closing (of eyes), winking, flickering

Compound type : dvandva (unmeṣa+nimeṣa)

• unmeṣa – opening (of the eyes), blooming, awakening
  noun (masculine)
  From 'ud-' + root 'miṣ' (to open eyes)
  Prefix: ud
  Root: miṣ (class 6)
• nimeṣa – closing (of the eyes), winking, twinkling
  noun (masculine)
  From 'ni-' + root 'miṣ' (to close eyes)
  Prefix: ni
  Root: miṣ (class 6)

यौ (yau) - which two (masculine nominative dual)

(pronoun)

Nominative, masculine, dual of yad

yad - which, what, whichever, whoever

Note: Refers to 'unmeṣanimeṣau'.

तौ (tau) - those two (masculine nominative dual)

(pronoun)

Nominative, masculine, dual of tad

tad - that, those

Note: Correlative pronoun to 'yau'.

एतौ (etau) - these two (masculine nominative dual)

(pronoun)

Nominative, masculine, dual of etad

etad - this, this here

Note: Refers to 'pralayodayau'.

प्रलयोदयौ (pralayodayau) - dissolution and creation

(noun)

Nominative, masculine, dual of pralayodaya

pralayodaya - dissolution and creation, destruction and origin

Compound type : dvandva (pralaya+udaya)

• pralaya – dissolution, destruction, reabsorption
  noun (masculine)
  From 'pra-' + root 'lī' (to melt, dissolve) + suffix 'a'
  Prefix: pra
  Root: lī (class 4)
• udaya – rising, origin, creation, prosperity
  noun (masculine)
  From 'ud-' + root 'i' (to go) + suffix 'a'
  Prefix: ud
  Root: i (class 2)