योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-14, verse-83

स्वभावतो कारणात्म चित्तं चिद्ध्यनुभूतितः ।
न चासत्त्वमचेत्यायाश्चितो वाचापि सिद्ध्यति ॥ ८३ ॥

svabhāvato kāraṇātma cittaṃ ciddhyanubhūtitaḥ ,
na cāsattvamacetyāyāścito vācāpi siddhyati 83

83. svabhāvataḥ kāraṇātma cittaṃ cit hi anubhūtitaḥ
na ca asattvam acetyāyāḥ citaḥ vācā api siddhyati

83. svabhāvataḥ kāraṇātma cittaṃ hi anubhūtitaḥ cit (asti).
ca acetyāyāḥ citaḥ asattvam vācā api na siddhyati.

83. By its intrinsic nature (svabhāva), the causal (kāraṇa) Self (ātman) is the mind (citta), and it is indeed consciousness (cit) through direct experience (anubhūti). Moreover, the non-existence of this unperceivable consciousness (cit) cannot be proven even by speech.

Words meanings summery:

• स्वभावतः (svabhāvataḥ) - by nature, intrinsically, naturally

• कारणात्म (kāraṇātma) - the causal Self, having the nature of the cause

• चित्तं (cittaṁ) - mind, consciousness, thought

• चित् (cit) - consciousness, pure intelligence, pure thought

• हि (hi) - indeed, verily, for, because

• अनुभूतितः (anubhūtitaḥ) - from experience, by means of realization/perception

• न (na) - not, no

• च (ca) - and, also, moreover

• असत्त्वम् (asattvam) - non-existence, unreality, absence of being

• अचेत्यायाः (acetyāyāḥ) - of the unperceivable, of that which cannot be understood/known

• चितः (citaḥ) - of consciousness, of pure intelligence

• वाचा (vācā) - by speech, by word, by voice

• अपि (api) - even, also, too

• सिद्ध्यति (siddhyati) - is established, is proven, is accomplished, succeeds

Words meanings and morphology

स्वभावतः (svabhāvataḥ) - by nature, intrinsically, naturally

(indeclinable)

formed with suffix -taḥ (ablative/adverbial)

कारणात्म (kāraṇātma) - the causal Self, having the nature of the cause

(noun)

Nominative, masculine, singular of kāraṇātman

kāraṇātman - the Self (ātman) which is the cause, the causal soul

Compound type : Tatpurusha (kāraṇa+ātman)

• kāraṇa – cause, reason
  noun (neuter)
  Root: kṛ (class 8)
• ātman – Self, soul, essence, spirit
  noun (masculine)

चित्तं (cittaṁ) - mind, consciousness, thought

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, intelligence, consciousness, mental faculty

Past Passive Participle

from √cit

Root: cit (class 1)

चित् (cit) - consciousness, pure intelligence, pure thought

(noun)

Nominative, feminine, singular of cit

cit - consciousness, pure intelligence, understanding, perceiving

हि (hi) - indeed, verily, for, because

(indeclinable)

अनुभूतितः (anubhūtitaḥ) - from experience, by means of realization/perception

(indeclinable)

formed with suffix -taḥ (ablative/adverbial)

Prefix: anu

Root: bhū (class 1)

न (na) - not, no

(indeclinable)

च (ca) - and, also, moreover

(indeclinable)

असत्त्वम् (asattvam) - non-existence, unreality, absence of being

(noun)

Nominative, neuter, singular of asattva

asattva - non-existence, unreality, non-being

अचेत्यायाः (acetyāyāḥ) - of the unperceivable, of that which cannot be understood/known

(adjective)

Genitive, feminine, singular of acetya

acetya - unperceivable, incomprehensible, not to be thought of

Gerundive/Future Passive Participle

from √cit with suffix -ya and negative prefix a-

Prefix: a

Root: cit (class 1)

चितः (citaḥ) - of consciousness, of pure intelligence

(noun)

Genitive, feminine, singular of cit

cit - consciousness, pure intelligence, understanding

वाचा (vācā) - by speech, by word, by voice

(noun)

Instrumental, feminine, singular of vāc

vāc - speech, word, voice, language

अपि (api) - even, also, too

(indeclinable)

सिद्ध्यति (siddhyati) - is established, is proven, is accomplished, succeeds

(verb)

3rd person , singular, active, present (laṭ) of sidh

Root: sidh (class 4)