योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-83, verse-29

तमेव भावयाभावं सुखत्यागो हि मूढता ।
यदि त्वस्ति भवेत्सत्यमन्तर्भावितचेतनम् ॥ २९ ॥

tameva bhāvayābhāvaṃ sukhatyāgo hi mūḍhatā ,
yadi tvasti bhavetsatyamantarbhāvitacetanam 29

29. tam eva bhāvaya abhāvam sukhatyāgaḥ hi mūḍhatā
yadi tu asti bhavet satyam antarbhāvitacetanam

29. tam eva abhāvam bhāvaya hi sukhatyāgaḥ mūḍhatā
yadi tu antarbhāvitacetanam satyam asti bhavet

29. Contemplate that non-existence (abhāva) alone [referring to the mind's non-existence mentioned previously]. For, abandoning [true] happiness is indeed foolishness. But if there truly exists a reality (satya) imbued with inherent consciousness (caitanya)...

Words meanings summery:

• तम् (tam) - that, him

• एव (eva) - only, indeed, just

• भावय (bhāvaya) - contemplate, cultivate, realize, cause to be

• अभावम् (abhāvam) - non-existence of the mind (non-existence, absence, cessation)

• सुखत्यागः (sukhatyāgaḥ) - abandonment of happiness, renunciation of joy

• हि (hi) - indeed, for, surely

• मूढता (mūḍhatā) - foolishness, ignorance, delusion

• यदि (yadi) - if

• तु (tu) - but, indeed, however

• अस्ति (asti) - is, exists

• भवेत् (bhavet) - may be, should be, would be

• सत्यम् (satyam) - truth, reality, the real

• अन्तर्भावितचेतनम् (antarbhāvitacetanam) - imbued with inherent consciousness, having consciousness contained within

Words meanings and morphology

तम् (tam) - that, him

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

एव (eva) - only, indeed, just

(indeclinable)

भावय (bhāvaya) - contemplate, cultivate, realize, cause to be

(verb)

2nd person , singular, active, imperative (loṭ) of bhāvaya

causal

Causal form of the root 'bhū' (to be), meaning 'to cause to be,' 'to imagine,' 'to contemplate.'

Root: bhū (class 1)

अभावम् (abhāvam) - non-existence of the mind (non-existence, absence, cessation)

(noun)

Accusative, masculine, singular of abhāva

abhāva - non-existence, absence, cessation, unreality

Compound type : tatpuruṣa (a+bhāva)

• a – not, non-, un-
  indeclinable
  Negative prefix.
• bhāva – existence, state, nature, being
  noun (masculine)
  Root: bhū (class 1)

Note: Refers to the non-existence of the mind (citta) as discussed in earlier verses.

सुखत्यागः (sukhatyāgaḥ) - abandonment of happiness, renunciation of joy

(noun)

Nominative, masculine, singular of sukhatyāga

sukhatyāga - abandonment of happiness, renunciation of joy

Compound type : tatpuruṣa (sukha+tyāga)

• sukha – happiness, joy, comfort, pleasure
  noun (neuter)
• tyāga – abandonment, renunciation, sacrifice, relinquishment
  noun (masculine)
  Root: tyaj (class 1)

हि (hi) - indeed, for, surely

(indeclinable)

मूढता (mūḍhatā) - foolishness, ignorance, delusion

(noun)

Nominative, feminine, singular of mūḍhatā

mūḍhatā - foolishness, ignorance, delusion, stupidity

Derived from 'mūḍha' (foolish, deluded) + '-tā' (suffix forming feminine abstract nouns).

यदि (yadi) - if

(indeclinable)

तु (tu) - but, indeed, however

(indeclinable)

अस्ति (asti) - is, exists

(verb)

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

Root: as (class 2)

भवेत् (bhavet) - may be, should be, would be

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of bhū

Root: bhū (class 1)

सत्यम् (satyam) - truth, reality, the real

(noun)

Nominative, neuter, singular of satya

satya - truth, reality, true, real, existent

अन्तर्भावितचेतनम् (antarbhāvitacetanam) - imbued with inherent consciousness, having consciousness contained within

(adjective)

Nominative, neuter, singular of antarbhāvitacetana

antarbhāvitacetana - having consciousness (caitanya) inherent within, internally manifested as consciousness

Compound type : bahuvrīhi (antar+bhāvita+cetana)

• antar – within, internally, in the midst of
  indeclinable
• bhāvita – caused to be, contained, manifested, impregnated with
  participle (neuter)
  past passive participle
  Past passive participle of the causal form of 'bhū' (to be).
  Root: bhū (class 1)
• cetana – conscious, endowed with consciousness (caitanya), sentient
  adjective (neuter)
  Root: cit (class 1)

Note: Qualifies 'satyam'.