योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-67, verse-4

स्वभावात्कारणं द्वित्वं पूर्वसंकल्पचित्स्वयम् ।
नानाकारणतां पश्चाद्याति जन्ममृतिस्थितेः ॥ ४ ॥

svabhāvātkāraṇaṃ dvitvaṃ pūrvasaṃkalpacitsvayam ,
nānākāraṇatāṃ paścādyāti janmamṛtisthiteḥ 4

4. svabhāvāt kāraṇam dvitvam pūrva-saṅkalpa-cit svayam
nānā-kāraṇatām paścāt yāti janma-mṛti-sthiteḥ

4. svayam pūrva-saṅkalpa-cit svabhāvāt dvitvam kāraṇam
paścāt janma-mṛti-sthiteḥ nānā-kāraṇatām yāti

4. By its own intrinsic nature (svabhāva), consciousness (cit) itself, driven by previous volitions (saṅkalpa), becomes the cause of duality. Subsequently, it takes on the state of diverse causes, leading to the condition of birth and death (saṃsāra).

Words meanings summery:

• स्वभावात् (svabhāvāt) - by its inherent tendency or intrinsic nature (from its own nature, by its intrinsic disposition)

• कारणम् (kāraṇam) - the cause, the causal agent (cause, reason, instrument)

• द्वित्वम् (dvitvam) - duality, the condition of being two entities (duality, the state of being two)

• पूर्व-सङ्कल्प-चित् (pūrva-saṅkalpa-cit) - consciousness itself, qualified by previous volitions (consciousness of prior intentions/volitions)

• स्वयम् (svayam) - itself, personally (oneself, by oneself, spontaneously)

• नाना-कारणताम् (nānā-kāraṇatām) - assumes the condition of being diverse causes (to the state of being many causes, to manifold causality)

• पश्चात् (paścāt) - subsequently (afterwards, behind, later)

• याति (yāti) - it attains, it takes on (goes, proceeds, attains)

• जन्म-मृति-स्थितेः (janma-mṛti-sthiteḥ) - leading to the condition of birth and death (saṃsāra) (of the state of birth and death)

Words meanings and morphology

स्वभावात् (svabhāvāt) - by its inherent tendency or intrinsic nature (from its own nature, by its intrinsic disposition)

(noun)

Ablative, masculine, singular of svabhāva

svabhāva - own nature, inherent disposition, intrinsic state

कारणम् (kāraṇam) - the cause, the causal agent (cause, reason, instrument)

(noun)

Nominative, neuter, singular of kāraṇa

kāraṇa - cause, reason, instrument, motive

From root kṛ- 'to do' with suffix -ana.

Root: kṛ (class 8)

द्वित्वम् (dvitvam) - duality, the condition of being two entities (duality, the state of being two)

(noun)

Nominative, neuter, singular of dvitva

dvitva - duality, twoness, the state of being two

From dvi 'two' + suffix -tva 'state of being'.

पूर्व-सङ्कल्प-चित् (pūrva-saṅkalpa-cit) - consciousness itself, qualified by previous volitions (consciousness of prior intentions/volitions)

(noun)

Nominative, feminine, singular of pūrva-saṅkalpa-cit

pūrva-saṅkalpa-cit - consciousness (cit) whose intentions (saṅkalpa) are prior (pūrva)

Compound noun.

Compound type : tatpuruṣa (pūrva+saṅkalpa+cit)

• pūrva – prior, former, previous
  adjective
• saṅkalpa – intention, volition, resolve, mental resolve
  noun (masculine)
  From sam + kḷp, 'to form, to resolve'
  Prefix: sam
  Root: kḷp (class 1)
• cit – consciousness, knowledge, intelligence
  noun (feminine)
  Root: cit (class 1)

Note: Can be interpreted as 'consciousness that is a previous resolve' or 'consciousness comprising previous resolves.'

स्वयम् (svayam) - itself, personally (oneself, by oneself, spontaneously)

(indeclinable)

नाना-कारणताम् (nānā-kāraṇatām) - assumes the condition of being diverse causes (to the state of being many causes, to manifold causality)

(noun)

Accusative, feminine, singular of nānā-kāraṇatā

nānā-kāraṇatā - the state of being many causes, manifold causality

Compound of nānā (many, various) and kāraṇatā (causality).

Compound type : tatpuruṣa (nānā+kāraṇatā)

• nānā – various, diverse, manifold, many
  indeclinable
• kāraṇatā – causality, the state of being a cause
  noun (feminine)
  Derived from 'kāraṇa' with the abstract noun suffix '-tā'.
  Root: kṛ (class 8)

पश्चात् (paścāt) - subsequently (afterwards, behind, later)

(indeclinable)

याति (yāti) - it attains, it takes on (goes, proceeds, attains)

(verb)

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

Present active indicative

Third person singular, present tense, active voice.

Root: yā (class 2)

जन्म-मृति-स्थितेः (janma-mṛti-sthiteḥ) - leading to the condition of birth and death (saṃsāra) (of the state of birth and death)

(noun)

Genitive, feminine, singular of janma-mṛti-sthiti

janma-mṛti-sthiti - the state of birth and death, existence subject to birth and death

Compound noun.

Compound type : dvandva + tatpuruṣa (janma+mṛti+sthiti)

• janma – birth, origin, existence
  noun (neuter)
  From root jan- 'to be born'.
  Root: jan (class 4)
• mṛti – death, demise
  noun (feminine)
  From root mṛ- 'to die'.
  Root: mṛ (class 6)
• sthiti – state, condition, existence, standing, stability
  noun (feminine)
  From root sthā- 'to stand'.
  Root: sthā (class 1)