योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-31, verse-4

चित्तं हि कारणं त्वस्याः संसारानुभवे चितेः ।
न च तत्कारणं किंचिच्चित्त्वान्यत्वात्यसंभवात् ॥ ४ ॥

cittaṃ hi kāraṇaṃ tvasyāḥ saṃsārānubhave citeḥ ,
na ca tatkāraṇaṃ kiṃciccittvānyatvātyasaṃbhavāt 4

4. cittaṃ hi kāraṇaṃ tu asyāḥ saṃsārānubhave citeḥ
na ca tat kāraṇaṃ kiṃcit cittvānyatvātyasaṃbhavāt

4. hi cittaṃ asyāḥ citeḥ saṃsārānubhave kāraṇaṃ tu
ca tat kiṃcit kāraṇaṃ na cittvānyatvātyasaṃbhavāt

4. The mind (citta) is indeed the cause of this experience of transmigration (saṃsāra) for consciousness. And there is no other cause for it, as it is utterly impossible for consciousness to be other than its own nature.

Words meanings summery:

• चित्तं (cittaṁ) - mind, thought, consciousness

• हि (hi) - indeed, surely, because

• कारणं (kāraṇaṁ) - cause, reason, instrument

• तु (tu) - but, on the other hand, indeed

• अस्याः (asyāḥ) - of her, of this (feminine)

• संसारानुभवे (saṁsārānubhave) - in the experience of transmigration

• चितेः (citeḥ) - of consciousness, of intelligence

• न (na) - not, no

• च (ca) - and, also

• तत् (tat) - that, its

• कारणं (kāraṇaṁ) - cause, reason

• किंचित् (kiṁcit) - any, some, a certain (thing)

• चित्त्वान्यत्वात्यसंभवात् (cittvānyatvātyasaṁbhavāt) - due to the utter impossibility of consciousness being distinct from itself (its own nature)

Words meanings and morphology

चित्तं (cittaṁ) - mind, thought, consciousness

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, consciousness, heart

derived from cit (to perceive, know)

Root: cit (class 1)

हि (hi) - indeed, surely, because

(indeclinable)

कारणं (kāraṇaṁ) - cause, reason, instrument

(noun)

Nominative, neuter, singular of kāraṇa

kāraṇa - cause, reason, instrument, motive

derived from kṛ (to do, make) + ana suffix

Root: kṛ (class 8)

तु (tu) - but, on the other hand, indeed

(indeclinable)

अस्याः (asyāḥ) - of her, of this (feminine)

(pronoun)

Genitive, feminine, singular of idam

idam - this, here

संसारानुभवे (saṁsārānubhave) - in the experience of transmigration

(noun)

Locative, masculine, singular of saṃsārānubhava

saṁsārānubhava - experience of transmigration or worldly existence

Compound of saṃsāra (transmigration) and anubhava (experience)

Compound type : ṣaṣṭhī-tatpuruṣa (saṃsāra+anubhava)

• saṃsāra – cycle of birth, death, and rebirth; transmigration; mundane existence
  noun (masculine)
  from sam-sṛ (to move, flow together)
  Prefix: sam
  Root: sṛ (class 1)
• anubhava – experience, perception, feeling
  noun (masculine)
  from anu-bhū (to experience)
  Prefix: anu
  Root: bhū (class 1)

चितेः (citeḥ) - of consciousness, of intelligence

(noun)

Genitive, feminine, singular of citi

citi - consciousness, intelligence, understanding

from cit (to perceive, understand)

Root: cit (class 1)

न (na) - not, no

(indeclinable)

च (ca) - and, also

(indeclinable)

तत् (tat) - that, its

(pronoun)

Nominative, neuter, singular of tad

tad - that, this, it

कारणं (kāraṇaṁ) - cause, reason

(noun)

Nominative, neuter, singular of kāraṇa

kāraṇa - cause, reason, instrument, motive

derived from kṛ (to do, make) + ana suffix

Root: kṛ (class 8)

किंचित् (kiṁcit) - any, some, a certain (thing)

(pronoun)

Nominative, neuter, singular of kiṃcid

kiṁcid - something, anything, a little

चित्त्वान्यत्वात्यसंभवात् (cittvānyatvātyasaṁbhavāt) - due to the utter impossibility of consciousness being distinct from itself (its own nature)

(noun)

Ablative, masculine, singular of cittvānyatvātyasaṃbhava

cittvānyatvātyasaṁbhava - utter impossibility of consciousness being distinct/other

Compound formed from cittva, anyatva, and atyasaṃbhava. Grammatically, 'the utter impossibility of the otherness of consciousness'.

Compound type : ṣaṣṭhī-tatpuruṣa (cittva+anyatva+ati+a+saṃbhava)

• cittva – the state of being consciousness, conscious nature
  noun (neuter)
  from cit (consciousness) + tva (abstract suffix)
  Root: cit (class 1)
• anyatva – otherness, distinctness, difference
  noun (neuter)
  from anya (other) + tva (abstract suffix)
• ati – very, exceedingly, beyond
  indeclinable
  prefix for intensification
• a – not, non-
  indeclinable
  negation prefix
• saṃbhava – possibility, occurrence, birth
  noun (masculine)
  from sam-bhū (to be, exist, happen)
  Prefix: sam
  Root: bhū (class 1)