योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-106, verse-7

अनागतायां निद्रायां मनोविषयसंक्षये ।
पुंसः स्वस्थस्य यो भावः स चिदाकाश उच्यते ॥ ७ ॥

anāgatāyāṃ nidrāyāṃ manoviṣayasaṃkṣaye ,
puṃsaḥ svasthasya yo bhāvaḥ sa cidākāśa ucyate 7

7. anāgatāyām nidrāyām manoviṣayasaṃkṣaye puṃsaḥ
svasthasya yaḥ bhāvaḥ saḥ citākāśaḥ ucyate

7. anāgatāyām nidrāyām manoviṣayasaṃkṣaye svasthasya
puṃsaḥ yaḥ bhāvaḥ saḥ citākāśaḥ ucyate

7. When sleep has not yet arrived and the objects of the mind have ceased, the state (bhāva) of one established in their true self (svastha) is called the space of consciousness (cidākāśa).

Words meanings summery:

• अनागतायाम् (anāgatāyām) - when sleep has not yet arrived (in the unarrived, in the not-yet-come)

• निद्रायाम् (nidrāyām) - in sleep

• मनोविषयसंक्षये (manoviṣayasaṁkṣaye) - in the cessation of mental objects (in the complete cessation of mental objects)

• पुंसः (puṁsaḥ) - of a person (puruṣa) (of a man, of a person (puruṣa))

• स्वस्थस्य (svasthasya) - of one established in their true self (svastha) (of one who is established in oneself, of a healthy person)

• यः (yaḥ) - which (which, who)

• भावः (bhāvaḥ) - state (bhāva) (state, nature, being, sentiment, feeling)

• सः (saḥ) - that (state) (that, he)

• चिताकाशः (citākāśaḥ) - space of consciousness (cidākāśa) (space of consciousness, ether of consciousness)

• उच्यते (ucyate) - is called (is said, is called, is spoken of)

Words meanings and morphology

अनागतायाम् (anāgatāyām) - when sleep has not yet arrived (in the unarrived, in the not-yet-come)

(adjective)

Locative, feminine, singular of anāgatā

anāgatā - unarrived, not yet come, future

Past Passive Participle (negative)

From `an` (negative) + `āgata` (P.P.P. of `āgam`, to come).

Compound type : nañ-tatpuruṣa (an+āgata)

• an – not, un-
  indeclinable
• āgata – come, arrived, obtained
  adjective (feminine)
  Past Passive Participle
  Derived from root `gam` with prefix `ā`.
  Prefix: ā
  Root: gam (class 1)

Note: Modifies `nidrāyām`.

निद्रायाम् (nidrāyām) - in sleep

(noun)

Locative, feminine, singular of nidrā

nidrā - sleep, slumber, drowsiness

Root: drā (class 2)

मनोविषयसंक्षये (manoviṣayasaṁkṣaye) - in the cessation of mental objects (in the complete cessation of mental objects)

(noun)

Locative, masculine, singular of manoviṣayasaṃkṣaya

manoviṣayasaṁkṣaya - complete destruction/cessation of the objects of the mind

Compound type : tatpuruṣa (manas+viṣaya+saṃkṣaya)

• manas – mind, intellect, thought
  noun (neuter)
  Root: man (class 4)
• viṣaya – object, sphere, domain
  noun (masculine)
• saṃkṣaya – complete destruction, cessation, decay
  noun (masculine)
  Derived from root `kṣi` with prefix `sam`.
  Prefix: sam
  Root: kṣi (class 1)

Note: Locative absolute construction.

पुंसः (puṁsaḥ) - of a person (puruṣa) (of a man, of a person (puruṣa))

(noun)

Genitive, masculine, singular of puṃs

puṁs - man, male, person (puruṣa), human being

स्वस्थस्य (svasthasya) - of one established in their true self (svastha) (of one who is established in oneself, of a healthy person)

(adjective)

Genitive, masculine, singular of svastha

svastha - self-abiding, established in oneself, healthy, at ease, firm

Compound type : tatpuruṣa (sva+stha)

• sva – self, one's own
  pronoun (neuter)
• stha – standing, abiding, existing
  adjective (masculine)
  Derived from root `sthā`.
  Root: sthā (class 1)

Note: Modifies `puṃsaḥ`.

यः (yaḥ) - which (which, who)

(pronoun)

Nominative, masculine, singular of yad

yad - which, who, what, that

Relative pronoun.

भावः (bhāvaḥ) - state (bhāva) (state, nature, being, sentiment, feeling)

(noun)

Nominative, masculine, singular of bhāva

bhāva - state, nature, being, sentiment, feeling, existence, intention

Root: bhū (class 1)

सः (saḥ) - that (state) (that, he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, it, he, she, this

Demonstrative pronoun.

Note: Subject of `ucyate`.

चिताकाशः (citākāśaḥ) - space of consciousness (cidākāśa) (space of consciousness, ether of consciousness)

(noun)

Nominative, masculine, singular of citākāśa

citākāśa - space of consciousness, ether of consciousness, mental space

Compound type : tatpuruṣa (cit+ākāśa)

• cit – consciousness, thought, intellect
  noun (feminine)
  Root: cit (class 1)
• ākāśa – space, ether, sky
  noun (masculine)

Note: Predicate nominative.

उच्यते (ucyate) - is called (is said, is called, is spoken of)

(verb)

3rd person , singular, passive, present (laṭ) of vac

Root `vac` in passive voice, present tense, third person singular.

Root: vac (class 2)