योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-120, verse-20

नासौ सुखायते नासौ नाशकाले न दुःखदः ।
क्षीणवासनया बुद्ध्या यत्कर्मक्रियतेऽनघ ॥ २० ॥

nāsau sukhāyate nāsau nāśakāle na duḥkhadaḥ ,
kṣīṇavāsanayā buddhyā yatkarmakriyate'nagha 20

20. na asau sukhāyate na asau nāśakāle na duḥkhadaḥ
kṣīṇavāsanayā buddhyā yat karma kriyate anagha

20. anagha kṣīṇavāsanayā buddhyā yat karma kriyate
asau na sukhāyate na nāśakāle na duḥkhadaḥ

20. O sinless one, an action (karma) performed by an intellect (buddhi) whose latent desires (vāsanā) have been diminished neither generates happiness nor causes misery; such an action does not persist until the time of dissolution.

Words meanings summery:

• न (na) - not, no, nor

• असौ (asau) - that action (karma) (that (one), it)

• सुखायते (sukhāyate) - becomes happiness, leads to happiness, causes happiness

• न (na) - not, no, nor

• असौ (asau) - that action (karma) (that (one), it)

• नाशकाले (nāśakāle) - at the time of destruction, at the time of dissolution, at the time of cessation

• न (na) - not, no, nor

• दुःखदः (duḥkhadaḥ) - causing suffering, giving misery

• क्षीणवासनया (kṣīṇavāsanayā) - by one with diminished latent desires/mental impressions

• बुद्ध्या (buddhyā) - by the intellect, by understanding

• यत् (yat) - which, whatever

• कर्म (karma) - action, deed, (karma)

• क्रियते (kriyate) - is done, is performed

• अनघ (anagha) - O sinless one!

Words meanings and morphology

न (na) - not, no, nor

(indeclinable)

असौ (asau) - that action (karma) (that (one), it)

(pronoun)

Nominative, masculine, singular of adas

adas - that, yonder

Note: Used here in nominative singular, typically masculine/feminine, referring to 'karma' (neuter).

सुखायते (sukhāyate) - becomes happiness, leads to happiness, causes happiness

(verb)

3rd person , singular, middle, present indicative (laṭ) of sukhāyate

denominative verb from sukha

न (na) - not, no, nor

(indeclinable)

असौ (asau) - that action (karma) (that (one), it)

(pronoun)

Nominative, masculine, singular of adas

adas - that, yonder

Note: Used here in nominative singular, typically masculine/feminine, referring to 'karma' (neuter).

नाशकाले (nāśakāle) - at the time of destruction, at the time of dissolution, at the time of cessation

(noun)

Locative, masculine, singular of nāśakāla

nāśakāla - time of destruction, period of cessation

Compound type : tatpurusha (nāśa+kāla)

• nāśa – destruction, perishing, loss, cessation
  noun (masculine)
  Root: naś (class 4)
• kāla – time, season, period
  noun (masculine)

न (na) - not, no, nor

(indeclinable)

दुःखदः (duḥkhadaḥ) - causing suffering, giving misery

(adjective)

Nominative, masculine, singular of duḥkhada

duḥkhada - causing pain, giving sorrow, producer of misery

Compound type : tatpurusha (duḥkha+da)

• duḥkha – suffering, pain, misery
  noun (neuter)
• da – giving, bestowing, granting
  adjective (masculine)
  agent noun suffix -da from root dā
  Derived from root 'dā' (to give) with suffix '-a' or '-da'.
  Root: dā (class 3)

क्षीणवासनया (kṣīṇavāsanayā) - by one with diminished latent desires/mental impressions

(adjective)

Instrumental, feminine, singular of kṣīṇavāsanā

kṣīṇavāsanā - one whose latent desires are diminished

Compound type : bahuvrihi (kṣīṇa+vāsanā)

• kṣīṇa – diminished, exhausted, wasted, ended
  adjective (masculine)
  Past Passive Participle
  Past Passive Participle of root 'kṣi' (to waste, perish)
  Root: kṣi (class 1)
• vāsanā – latent desire, mental impression, habitual tendency
  noun (feminine)
  Root: vas (class 1)

Note: Modifies 'buddhyā'.

बुद्ध्या (buddhyā) - by the intellect, by understanding

(noun)

Instrumental, feminine, singular of buddhi

buddhi - intellect, understanding, perception

Root: budh (class 1)

यत् (yat) - which, whatever

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, whatever

कर्म (karma) - action, deed, (karma)

(noun)

Nominative, neuter, singular of karma

karma - action, deed, work, ritual, (karma)

Root: kṛ (class 8)

क्रियते (kriyate) - is done, is performed

(verb)

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

passive voice

Present passive 3rd singular of root kṛ.

Root: kṛ (class 8)

अनघ (anagha) - O sinless one!

(adjective)

Vocative, masculine, singular of anagha

anagha - sinless, faultless, innocent

Compound type : bahuvrihi (a+agha)

• a – not, non-, un- (negation)
  indeclinable
• agha – sin, fault, evil
  noun (neuter)