योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-78, verse-36

अचेत्यं यदिदं चित्त्वं तत्तस्या रूपमक्षतम् ।
मनोबुद्धीन्द्रियाद्यर्थरूपैः सैव विजृम्भते ॥ ३६ ॥

acetyaṃ yadidaṃ cittvaṃ tattasyā rūpamakṣatam ,
manobuddhīndriyādyartharūpaiḥ saiva vijṛmbhate 36

36. acetyam yat idam cittvam tat tasyā rūpam akṣatam
manobuddhīndriyādyartharūpaiḥ sā eva vijṛmbhate

36. yat idam acetyam cittvam tat tasyā akṣatam rūpam
sā eva manobuddhīndriyādyartharūpaiḥ vijṛmbhate

36. That consciousness-ness (cittva) which is uncognizable — that is her unblemished form. She herself expands and manifests in the forms of mind (manas), intellect (buddhi), senses (indriya), and other objects (artha).

Words meanings summery:

• अचेत्यम् (acetyam) - uncognizable, imperceptible, unknowable

• यत् (yat) - which, whatever

• इदम् (idam) - this

• चित्त्वम् (cittvam) - the state of being consciousness, consciousness-ness

• तत् (tat) - refers to the uncognizable consciousness-ness (that, it)

• तस्या (tasyā) - of the ultimate reality/consciousness (of her, its (feminine/neuter))

• रूपम् (rūpam) - form, nature, appearance

• अक्षतम् (akṣatam) - unblemished, unharmed, intact, perfect

• मनोबुद्धीन्द्रियाद्यर्थरूपैः (manobuddhīndriyādyartharūpaiḥ) - in the forms of mind (manas), intellect (buddhi), senses (indriya), and other objects (artha)

• सा (sā) - refers to the ultimate reality/consciousness (she, that (feminine))

• एव (eva) - only, indeed, very, just

• विजृम्भते (vijṛmbhate) - expands, manifests, proliferates, blossoms

Words meanings and morphology

अचेत्यम् (acetyam) - uncognizable, imperceptible, unknowable

(adjective)

Nominative, neuter, singular of acetya

acetya - uncognizable, imperceptible, not to be thought of

Gerundive (negated)

From a- (negation) + cetya (gerundive of √cit 'to perceive, know')

Compound type : nañ-tatpuruṣa (a+cetya)

• a – not, un-, negation
  indeclinable
• cetya – cognizable, perceivable, to be thought of
  adjective (masculine)
  Gerundive
  From root √cit (to perceive, know)
  Root: cit (class 1)

यत् (yat) - which, whatever

(pronoun)

Nominative, neuter, singular of yad

yad - which, whatever, that which

इदम् (idam) - this

(pronoun)

Nominative, neuter, singular of idam

idam - this, he, she, it

चित्त्वम् (cittvam) - the state of being consciousness, consciousness-ness

(noun)

Nominative, neuter, singular of cittva

cittva - the state or nature of consciousness

Derived from cit (consciousness) with the suffix -tva (forming abstract nouns)

तत् (tat) - refers to the uncognizable consciousness-ness (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

तस्या (tasyā) - of the ultimate reality/consciousness (of her, its (feminine/neuter))

(pronoun)

Genitive, feminine, singular of tad

tad - that, he, she, it

Note: Could also be ablative singular.

रूपम् (rūpam) - form, nature, appearance

(noun)

Nominative, neuter, singular of rūpa

rūpa - form, shape, appearance, nature, image

अक्षतम् (akṣatam) - unblemished, unharmed, intact, perfect

(adjective)

Nominative, neuter, singular of akṣata

akṣata - uninjured, unhurt, intact, perfect, fresh, new

Past Passive Participle (negated)

From a- (negation) + kṣata (PPP of √kṣan 'to injure')

Compound type : nañ-tatpuruṣa (a+kṣata)

• a – not, un-, negation
  indeclinable
• kṣata – injured, wounded, destroyed
  adjective (masculine)
  Past Passive Participle
  From root √kṣan (to injure, wound)
  Root: kṣan (class 8)

मनोबुद्धीन्द्रियाद्यर्थरूपैः (manobuddhīndriyādyartharūpaiḥ) - in the forms of mind (manas), intellect (buddhi), senses (indriya), and other objects (artha)

(noun)

Instrumental, neuter, plural of manobuddhīndriyādyartharūpa

manobuddhīndriyādyartharūpa - the forms of mind, intellect, senses, and other objects

Compound of manas (mind), buddhi (intellect), indriya (sense), ādi (etc.), artha (object), rūpa (form)

Compound type : dvandva (manas+buddhi+indriya+ādi+artha+rūpa)

• manas – mind, intellect, thought
  noun (neuter)
• buddhi – intellect, understanding, reason, cognition
  noun (feminine)
  Root: budh (class 1)
• indriya – sense organ, faculty of sense
  noun (neuter)
• ādi – beginning, and so on, etc.
  indeclinable
• artha – object, purpose, meaning, wealth
  noun (masculine)
• rūpa – form, shape, appearance, nature
  noun (neuter)

सा (sā) - refers to the ultimate reality/consciousness (she, that (feminine))

(pronoun)

Nominative, feminine, singular of tad

tad - that, he, she, it

एव (eva) - only, indeed, very, just

(indeclinable)

विजृम्भते (vijṛmbhate) - expands, manifests, proliferates, blossoms

(verb)

3rd person , singular, middle, Present (laṭ) of vijṛmbh

Prefix: vi

Root: jṛmbh (class 1)