योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-59, verse-31

स्वभावेनैव भोगानां यत्किलानभिवाञ्छनम् ।
चित्तत्स्पन्दैव सर्वात्मरूपिण्यस्तीति निश्चयः ॥ ३१ ॥

svabhāvenaiva bhogānāṃ yatkilānabhivāñchanam ,
cittatspandaiva sarvātmarūpiṇyastīti niścayaḥ 31

31. svabhāvena eva bhogānām yat kila anabhivāñchanam
cittat spandā eva sarvātmā rūpiṇī asti iti niścayaḥ

31. bhogānām yat anabhivāñchanam svabhāvena eva (bhavati),
(sā eva) cittat spandā eva,
sarvātmā rūpiṇī asti,
iti niścayaḥ

31. That non-desire for enjoyments (bhoga), which arises naturally, is indeed a vibration of consciousness (cittat-spanda) assuming the form of the universal Self (ātman) – such is the firm conviction.

Words meanings summery:

• स्वभावेन (svabhāvena) - by nature, by one's own nature

• एव (eva) - only, alone, indeed

• भोगानाम् (bhogānām) - of enjoyments, of worldly pleasures

• यत् (yat) - which, that which

• किल (kila) - indeed, certainly, it is said

• अनभिवाञ्छनम् (anabhivāñchanam) - non-desire, lack of strong desire

• चित्तत् (cittat) - mind, consciousness

• स्पन्दा (spandā) - vibration, pulsation, throb

• एव (eva) - only, alone, indeed

• सर्वात्मा (sarvātmā) - the universal Self (ātman), the self of all

• रूपिणी (rūpiṇī) - having the form of, characterized by, embodied as

• अस्ति (asti) - is, exists

• इति (iti) - marks the conclusion of a statement or thought (thus, so, in this manner)

• निश्चयः (niścayaḥ) - certainty, conviction, firm belief

Words meanings and morphology

स्वभावेन (svabhāvena) - by nature, by one's own nature

(noun)

Instrumental, masculine, singular of svabhāva

svabhāva - one's own nature, inherent disposition, intrinsic nature

Compound type : tatpuruṣa (sva+bhāva)

• sva – own, self
  pronoun
• bhāva – nature, state of being, existence, essence, disposition
  noun (masculine)
  Root: bhū (class 1)

एव (eva) - only, alone, indeed

(indeclinable)

भोगानाम् (bhogānām) - of enjoyments, of worldly pleasures

(noun)

Genitive, masculine, plural of bhoga

bhoga - enjoyment, worldly pleasure, experience, object of enjoyment

Derived from root bhuj (to enjoy)

Root: bhuj (class 7)

यत् (yat) - which, that which

(pronoun)

Nominative, neuter, singular of yad

yad - which, that, whatever

किल (kila) - indeed, certainly, it is said

(indeclinable)

अनभिवाञ्छनम् (anabhivāñchanam) - non-desire, lack of strong desire

(noun)

Nominative, neuter, singular of anabhivāñchana

anabhivāñchana - non-desire, lack of strong desire or longing

Compound type : nañ-tatpuruṣa (an+abhivāñchana)

• an – not, un-
  prefix
• abhivāñchana – strong desiring, longing for
  noun (neuter)
  Verbal noun from root vāñch with prefix abhi
  Prefix: abhi
  Root: vāñch (class 1)

चित्तत् (cittat) - mind, consciousness

(noun)

of cittat

cittat - mind, consciousness (often used as a stem in compounds)

A form related to citta (mind/consciousness), possibly a stem for compounds.

स्पन्दा (spandā) - vibration, pulsation, throb

(noun)

Nominative, feminine, singular of spandā

spandā - vibration, pulsation, throb, movement

Derived from root spand (to vibrate)

Root: spand (class 1)

एव (eva) - only, alone, indeed

(indeclinable)

सर्वात्मा (sarvātmā) - the universal Self (ātman), the self of all

(noun)

Nominative, masculine, singular of sarvātman

sarvātman - the universal Self (ātman), the self of all, the Supreme Spirit

Compound type : karmadhāraya (sarva+ātman)

• sarva – all, every, whole
  adjective
• ātman – self, soul, spirit, individual essence, the Supreme Spirit
  noun (masculine)

रूपिणी (rūpiṇī) - having the form of, characterized by, embodied as

(adjective)

Nominative, feminine, singular of rūpiṇ

rūpiṇ - having a form or shape, possessing the nature of, embodied

Derived from rūpa (form) with suffix -in

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

इति (iti) - marks the conclusion of a statement or thought (thus, so, in this manner)

(indeclinable)

निश्चयः (niścayaḥ) - certainty, conviction, firm belief

(noun)

Nominative, masculine, singular of niścaya

niścaya - certainty, conviction, firm belief, ascertainment

Derived from root ci (to collect, to know) with prefix nis (out, completely)

Prefix: nis

Root: ci (class 5)