योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-49, verse-15

यथास्थितस्य साहंत्वं विश्वं चित्तं विलीयते ।
ज्ञस्यावाच्यमचित्त्वं सत्स्वरूपमवशिष्यते ॥ १५ ॥

yathāsthitasya sāhaṃtvaṃ viśvaṃ cittaṃ vilīyate ,
jñasyāvācyamacittvaṃ satsvarūpamavaśiṣyate 15

15. yathāsthitasya sa ahaṃtvam viśvam cittam vilīyate
jñasya avācyam acittvam satsvarūpam avaśiṣyate

15. yathāsthitasya sa ahaṃtvam viśvam cittam vilīyate
jñasya avācyam acittvam satsvarūpam avaśiṣyate

15. For one who is thus established, the ego (ahaṃtva), the universe (viśva), and the mind (citta) dissolve. For such a knower, the inexpressible non-mental state (acittva), which is the essential nature of being (satsvarūpa), alone remains.

Words meanings summery:

• यथास्थितस्य (yathāsthitasya) - of one who is established as such, of one who remains as is

• स (sa) - that, he

• अहंत्वम् (ahaṁtvam) - egoity, ego

• विश्वम् (viśvam) - the universe (viśva), the all

• चित्तम् (cittam) - mind (citta), consciousness

• विलीयते (vilīyate) - dissolves, merges, vanishes

• ज्ञस्य (jñasya) - of the knower, of the enlightened one

• अवाच्यम् (avācyam) - inexpressible, indescribable

• अचित्त्वम् (acittvam) - non-mind state, absence of mind (acittva)

• सत्स्वरूपम् (satsvarūpam) - the essential nature of being, real nature, nature of existence

• अवशिष्यते (avaśiṣyate) - remains, is left over

Words meanings and morphology

यथास्थितस्य (yathāsthitasya) - of one who is established as such, of one who remains as is

(adjective)

Genitive, masculine, singular of yathāsthita

yathāsthita - established as such, remaining as is, stable

Compound type : karmadhāraya (yathā+sthita)

• yathā – as, just as, in what manner
  indeclinable
• sthita – stood, situated, established, firm
  participle
  Past Passive Participle
  Root: sthā (class 1)

स (sa) - that, he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

अहंत्वम् (ahaṁtvam) - egoity, ego

(noun)

Nominative, neuter, singular of ahaṃtva

ahaṁtva - egoity, ego, self-consciousness

विश्वम् (viśvam) - the universe (viśva), the all

(noun)

Nominative, neuter, singular of viśva

viśva - universe (viśva), all, whole

चित्तम् (cittam) - mind (citta), consciousness

(noun)

Nominative, neuter, singular of citta

citta - mind (citta), thought, consciousness

विलीयते (vilīyate) - dissolves, merges, vanishes

(verb)

3rd person , singular, middle, present indicative (laṭ) of vi-lī

Prefix: vi

Root: lī (class 4)

ज्ञस्य (jñasya) - of the knower, of the enlightened one

(noun)

Genitive, masculine, singular of jña

jña - knower, intelligent, wise

Root: jñā (class 9)

अवाच्यम् (avācyam) - inexpressible, indescribable

(adjective)

Nominative, neuter, singular of avācya

avācya - inexpressible, indescribable, unspeakable

Gerundive

Negative form of Gerundive from root 'vac' (to speak).

Compound type : nañ-tatpurusha (a+vācya)

• a – not, non-, un-
  indeclinable
  negative prefix
• vācya – to be spoken, expressible, mentionable
  participle (neuter)
  Gerundive
  Future Passive Participle (Gerundive) of root 'vac'.
  Root: vac (class 2)

अचित्त्वम् (acittvam) - non-mind state, absence of mind (acittva)

(noun)

Nominative, neuter, singular of acittva

acittva - absence of mind (acittva), non-mental state

Compound type : nañ-tatpurusha (a+cittva)

• a – not, non-, un-
  indeclinable
  negative prefix
• cittva – state of mind, mentality
  noun (neuter)

सत्स्वरूपम् (satsvarūpam) - the essential nature of being, real nature, nature of existence

(noun)

Nominative, neuter, singular of satsvarūpa

satsvarūpa - essential nature of being, true nature (svarūpa) of existence (sat), reality's nature

Compound type : tatpurusha (sat+svarūpa)

• sat – existing, real, being, existence
  participle
  Present Active Participle
  Root: as (class 2)
• svarūpa – own form, true nature (svarūpa), essential nature
  noun (neuter)

अवशिष्यते (avaśiṣyate) - remains, is left over

(verb)

3rd person , singular, passive, present indicative (laṭ) of ava-śiṣ

Prefix: ava

Root: śiṣ (class 7)