योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-37, verse-8

अशेषसारसंपिण्डमध्यात्मानं स्वसिद्धये ।
भावयित्वा नकिंचित्त्वमिव खत्वं करोत्यलम् ॥ ८ ॥

aśeṣasārasaṃpiṇḍamadhyātmānaṃ svasiddhaye ,
bhāvayitvā nakiṃcittvamiva khatvaṃ karotyalam 8

8. aśeṣasārasaṃpiṇḍamadhyātmānam svasiddhaye
bhāvayitvā nakiṃcittvam iva khatvaṃ karoti alam

8. svasiddhaye aśeṣasārasaṃpiṇḍamadhyātmānam
bhāvayitvā nakiṃcittvam iva khatvaṃ alam karoti

8. Having contemplated its own inner being (ātman) — which is the concentrated essence of all that exists — for its own perfection, it entirely transforms into a state like nothingness, becoming the nature of space.

Words meanings summery:

• अशेषसारसंपिण्डमध्यात्मानम् (aśeṣasārasaṁpiṇḍamadhyātmānam) - the ātman (self) that is the core/center of the aggregate of all essences

• स्वसिद्धये (svasiddhaye) - for its own perfection, for its own accomplishment, for its own realization

• भावयित्वा (bhāvayitvā) - having caused to be, having manifested, having realized, having contemplated

• नकिंचित्त्वम् (nakiṁcittvam) - state of being nothing, nothingness

• इव (iva) - like, as, as it were

• खत्वं (khatvaṁ) - the nature of space, space-ness, ether-ness

• करोति (karoti) - transforms into, renders as (makes, does, performs)

• अलम् (alam) - completely, thoroughly (enough, sufficient, indeed, thoroughly)

Words meanings and morphology

अशेषसारसंपिण्डमध्यात्मानम् (aśeṣasārasaṁpiṇḍamadhyātmānam) - the ātman (self) that is the core/center of the aggregate of all essences

(noun)

Accusative, masculine, singular of aśeṣasārasaṃpiṇḍamadhyātman

aśeṣasārasaṁpiṇḍamadhyātman - the self (ātman) which is the essence, aggregated and central; the ātman which is the core of the aggregate of all essences

Compound type : tatpuruṣa (aśeṣa+sāra+saṃpiṇḍa+madhya+ātman)

• aśeṣa – all, entire, without remainder, complete
  adjective
  From 'a' (negation) + 'śeṣa' (remainder).
  Root: śiṣ (class 7)
• sāra – essence, core, strength, extract
  noun (masculine/neuter)
  Root: sṛ (class 1)
• saṃpiṇḍa – aggregate, lump, mass, collection
  noun (masculine/neuter)
  From sam (together) + piṇḍa (lump).
  Prefix: sam
  Root: piṇḍ (class 10)
• madhya – middle, center, core
  noun/adjective (neuter)
• ātman – self, soul, spirit, ego, essence, vital breath, the supreme self (ātman)
  noun (masculine)
  Root: an (class 2)

Note: Object of the gerund bhāvayitvā.

स्वसिद्धये (svasiddhaye) - for its own perfection, for its own accomplishment, for its own realization

(noun)

Dative, feminine, singular of svasiddhi

svasiddhi - self-perfection, self-realization, self-accomplishment

Compound of 'sva' (own) and 'siddhi' (perfection/accomplishment).

Compound type : tatpuruṣa (sva+siddhi)

• sva – own, oneself
  pronoun/adjective
• siddhi – perfection, accomplishment, success, realization, supernatural power
  noun (feminine)
  From root sidh (to accomplish).
  Root: sidh (class 4)

Note: Indicates purpose.

भावयित्वा (bhāvayitvā) - having caused to be, having manifested, having realized, having contemplated

(indeclinable)

absolutive (gerund)

Formed from the causative stem of root bhū + suffix -tvā.

Root: bhū (class 1)

नकिंचित्त्वम् (nakiṁcittvam) - state of being nothing, nothingness

(noun)

Accusative, neuter, singular of nakiṃcittva

nakiṁcittva - nothingness, non-existence, state of being nothing

Compound of na (not) + kiṃcit (anything) + tva (suffix for state/nature).

Compound type : tatpuruṣa (na+kiṃcit+tva)

• na – not, no
  indeclinable
• kiṃcit – something, anything
  pronoun/indeclinable
  Formed from kim (what?) + cit (an indefinite particle).
• tva – -ness, -hood (suffix forming abstract nouns)
  noun suffix (neuter)
  Denotes state, nature, or quality.

Note: Object of karoti (implicitly, through iva).

इव (iva) - like, as, as it were

(indeclinable)

Particle indicating comparison.

खत्वं (khatvaṁ) - the nature of space, space-ness, ether-ness

(noun)

Accusative, neuter, singular of khatva

khatva - the state or nature of space (kha), emptiness

Formed from kha (space, ether) + tva (suffix for state/nature).

Compound type : tatpuruṣa (kha+tva)

• kha – space, ether, sky, emptiness, a hole
  noun (neuter)
  Root: khan (class 1)
• tva – -ness, -hood (suffix forming abstract nouns)
  noun suffix (neuter)
  Denotes state, nature, or quality.

Note: Object of karoti.

करोति (karoti) - transforms into, renders as (makes, does, performs)

(verb)

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

present active

3rd person singular, present indicative, active voice.

Root: kṛ (class 8)

Note: The subject is the ātman implicitly.

अलम् (alam) - completely, thoroughly (enough, sufficient, indeed, thoroughly)

(indeclinable)

Adverbial particle.

Note: Modifies karoti.