योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-40, verse-38

अवस्तुसंक्षये वस्तु यथावस्तु प्रसीदति ।
यथा च दृश्यते दृश्यं जगन्नैशतमःक्षये ॥ ३८ ॥

avastusaṃkṣaye vastu yathāvastu prasīdati ,
yathā ca dṛśyate dṛśyaṃ jagannaiśatamaḥkṣaye 38

38. avastusaṃkṣaye vastu yathāvastu prasīdati |
yathā ca dṛśyate dṛśyam jagat naiśatamaḥkṣaye ||

38. avastusaṃkṣaye vastu yathāvastu prasīdati ca
yathā naiśatamaḥkṣaye dṛśyam jagat dṛśyate

38. When the unreal is destroyed, reality (vastu) manifests as it truly is. And just as the visible world becomes apparent upon the dispersal of the darkness of night.

Words meanings summery:

• अवस्तुसंक्षये (avastusaṁkṣaye) - upon the destruction of the unreal/non-existent

• वस्तु (vastu) - the true nature of existence (vastu) (reality, real object, substance, thing)

• यथावस्तु (yathāvastu) - as it is, truly, really, according to reality

• प्रसीदति (prasīdati) - it manifests clearly (it shines forth, becomes clear, appears, is pleased)

• यथा (yathā) - as, just as, in what manner

• च (ca) - and, also

• दृश्यते (dṛśyate) - it is seen, it appears, it is perceived

• दृश्यम् (dṛśyam) - the visible world (the visible, the perceptible, the object of sight)

• जगत् (jagat) - the entire phenomenal world (the world, the universe, moving)

• नैशतमःक्षये (naiśatamaḥkṣaye) - upon the destruction of nocturnal darkness, upon the dispersal of the darkness of night

Words meanings and morphology

अवस्तुसंक्षये (avastusaṁkṣaye) - upon the destruction of the unreal/non-existent

(noun)

Locative, masculine, singular of avastusaṃkṣaya

avastusaṁkṣaya - destruction of the non-existent/unreal

Compound (ṣaṣṭhī-tatpuruṣa)

Compound type : ṣaṣṭhī-tatpuruṣa (avastu+saṃkṣaya)

• avastu – not real, non-existent, unreal, false object
  noun (neuter)
  Negative compound of 'vastu' (real object)
  Prefix: a
• saṃkṣaya – destruction, decay, end, perishing
  noun (masculine)
  From √kṣi (to destroy, to diminish) with saṃ-prefix
  Prefix: sam
  Root: kṣi (class 1)

वस्तु (vastu) - the true nature of existence (vastu) (reality, real object, substance, thing)

(noun)

Nominative, neuter, singular of vastu

vastu - real object, substance, thing, reality

यथावस्तु (yathāvastu) - as it is, truly, really, according to reality

(indeclinable)

Compound (avyayībhāva)

Compound type : avyayībhāva (yathā+vastu)

• yathā – as, just as, in what manner
  indeclinable
• vastu – real object, substance, thing, reality
  noun (neuter)

प्रसीदति (prasīdati) - it manifests clearly (it shines forth, becomes clear, appears, is pleased)

(verb)

3rd person , singular, active, present indicative (laṭ) of pra-sīd

present indicative

3rd person singular, active voice (parasmaipada)

Prefix: pra

Root: sad (class 1)

यथा (yathā) - as, just as, in what manner

(indeclinable)

च (ca) - and, also

(indeclinable)

दृश्यते (dṛśyate) - it is seen, it appears, it is perceived

(verb)

3rd person , singular, passive, present indicative (laṭ) of dṛś

present indicative

3rd person singular, middle voice (passive form)

Root: dṛś (class 1)

दृश्यम् (dṛśyam) - the visible world (the visible, the perceptible, the object of sight)

(noun)

Nominative, neuter, singular of dṛśya

dṛśya - visible, to be seen, perceptible, the visible object

gerundive

Future Passive Participle (gerundive) used as a noun

Root: dṛś (class 1)

जगत् (jagat) - the entire phenomenal world (the world, the universe, moving)

(noun)

Nominative, neuter, singular of jagat

jagat - moving, living, the world, the universe

present active participle

From √gam (to go), here used as a noun

Root: gam (class 1)

नैशतमःक्षये (naiśatamaḥkṣaye) - upon the destruction of nocturnal darkness, upon the dispersal of the darkness of night

(noun)

Locative, masculine, singular of naiśatamaḥkṣaya

naiśatamaḥkṣaya - destruction of nocturnal darkness

Compound (ṣaṣṭhī-tatpuruṣa)

Compound type : ṣaṣṭhī-tatpuruṣa (naiśatamas+kṣaya)

• naiśatamas – nocturnal darkness, darkness of night
  noun (neuter)
  Compound (karmadhāraya)
• kṣaya – destruction, decay, end, perishing
  noun (masculine)
  From √kṣi (to destroy, to diminish)
  Root: kṣi (class 1)