योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-175, verse-12

चिदाकाशश्चिदाकाशे तदिदं स्वमलं वपुः ।
चित्तं दृश्यमिवाभाति यथा स्वप्ने तथा स्थितम् ॥ १२ ॥

cidākāśaścidākāśe tadidaṃ svamalaṃ vapuḥ ,
cittaṃ dṛśyamivābhāti yathā svapne tathā sthitam 12

12. cit-ākāśaḥ cit-ākāśe tat idam sva-amalaṁ vapuḥ
cittaṁ dṛśyam iva ābhāti yathā svapne tathā sthitam

12. idam sva-amalaṁ vapuḥ cit-ākāśaḥ cit-ākāśe (asti).
yathā svapne (asti),
tathā cittaṁ dṛśyam iva ābhāti sthitam.

12. This pure nature of oneself exists as consciousness-space (cidākāśa) within consciousness-space. The mind (citta) appears like an object of perception (dṛśya), just as it is observed in a dream.

Words meanings summery:

• चित्-आकाशः (cit-ākāśaḥ) - consciousness-space, the vastness of consciousness

• चित्-आकाशे (cit-ākāśe) - in consciousness-space

• तत् (tat) - that

• इदम् (idam) - this (form/nature) (this)

• स्व-अमलं (sva-amalaṁ) - one's own pure/spotless

• वपुः (vapuḥ) - nature, essence (body, form, nature)

• चित्तं (cittaṁ) - the mind (citta) (as an internal faculty) (mind, consciousness, thought)

• दृश्यम् (dṛśyam) - an object of perception (dṛśya) (visible, an object of perception)

• इव (iva) - like, as, as if

• आभाति (ābhāti) - appears (as if) (appears, shines, seems)

• यथा (yathā) - just as, as, according to

• स्वप्ने (svapne) - in a dream

• तथा (tathā) - so, thus, in that manner

• स्थितम् (sthitam) - is situated, exists (in that way) (situated, standing, existing)

Words meanings and morphology

चित्-आकाशः (cit-ākāśaḥ) - consciousness-space, the vastness of consciousness

(noun)

Nominative, masculine, singular of cit-ākāśa

cit-ākāśa - consciousness-space, the infinite expanse of consciousness

Compound. Nominative singular.

Compound type : tatpuruṣa (cit+ākāśa)

• cit – consciousness, pure intelligence
  noun (feminine)
• ākāśa – space, ether, sky
  noun (masculine)
  Prefix: ā
  Root: kāś (class 1)

Note: Subject or predicate.

चित्-आकाशे (cit-ākāśe) - in consciousness-space

(noun)

Locative, masculine, singular of cit-ākāśa

cit-ākāśa - consciousness-space, the infinite expanse of consciousness

Compound. Locative singular.

Compound type : tatpuruṣa (cit+ākāśa)

• cit – consciousness, pure intelligence
  noun (feminine)
• ākāśa – space, ether, sky
  noun (masculine)
  Prefix: ā
  Root: kāś (class 1)

Note: Location.

तत् (tat) - that

(pronoun)

neuter, singular of tad

tad - that, he, she, it

Neuter nominative/accusative singular form of `tad`.

इदम् (idam) - this (form/nature) (this)

(pronoun)

Nominative, neuter, singular of idam

idam - this, here

Neuter nominative singular form of `idam`.

स्व-अमलं (sva-amalaṁ) - one's own pure/spotless

(adjective)

Nominative, neuter, singular of svamala

svamala - one's own pure, spotless

Compound. Neuter nominative singular.

Compound type : karmadhāraya (sva+amala)

• sva – own, self, one's own
  pronoun/adjective
• amala – spotless, pure, clean, free from dirt
  adjective (masculine/neuter)
  `a` (not) + `mala` (impurity).

Note: Agrees with `vapuḥ`.

वपुः (vapuḥ) - nature, essence (body, form, nature)

(noun)

Nominative, neuter, singular of vapus

vapus - body, form, figure, nature, essence

s-stem noun. Neuter nominative singular.

Root: vap (class 1)

चित्तं (cittaṁ) - the mind (citta) (as an internal faculty) (mind, consciousness, thought)

(noun)

Nominative, neuter, singular of citta

citta - mind, thought, intellect, consciousness (citta)

Neuter nominative singular. Formed from root `cit` (to perceive, observe) + `ta`.

Root: cit (class 1)

दृश्यम् (dṛśyam) - an object of perception (dṛśya) (visible, an object of perception)

(noun)

Nominative, neuter, singular of dṛśya

dṛśya - visible, to be seen, object of sight, phenomenon

Gerundive/Future Passive Participle

Formed from root `dṛś` (to see) + suffix `ya`. Neuter nominative singular.

Root: dṛś (class 1)

इव (iva) - like, as, as if

(indeclinable)

Particle of comparison.

आभाति (ābhāti) - appears (as if) (appears, shines, seems)

(verb)

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

Present tense, 3rd person singular, active voice.

Root `bhā` (to shine) with upasarga `ā`.

Prefix: ā

Root: bhā (class 2)

यथा (yathā) - just as, as, according to

(indeclinable)

Correlative adverb.

स्वप्ने (svapne) - in a dream

(noun)

Locative, masculine, singular of svapna

svapna - sleep, dream, dreaming

Locative singular of `svapna`.

Root: svap (class 2)

तथा (tathā) - so, thus, in that manner

(indeclinable)

Correlative adverb.

स्थितम् (sthitam) - is situated, exists (in that way) (situated, standing, existing)

(adjective)

Nominative, neuter, singular of sthita

sthita - standing, situated, existing, remaining

Past Passive Participle

Formed from root `sthā` (to stand) + suffix `ta`. Neuter nominative singular.

Root: sthā (class 1)