योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-121, verse-14

प्रशान्तशास्त्रार्थविचारचापलो निवृत्तनानारसकाव्यकौतुकः ।
निरस्तनिःशेषविकल्पविप्लवः समः सुखं तिष्ठति शाश्वतात्मकः ॥ १४ ॥

praśāntaśāstrārthavicāracāpalo nivṛttanānārasakāvyakautukaḥ ,
nirastaniḥśeṣavikalpaviplavaḥ samaḥ sukhaṃ tiṣṭhati śāśvatātmakaḥ 14

14. praśāntaśāstrārthavicāracāpalaḥ
nivṛttanānārasakāvyakautukaḥ
nirastaniḥśeṣavikalpaviplavaḥ
samaḥ sukham tiṣṭhati śāśvatātmakaḥ

14. praśāntaśāstrārthavicāracāpalaḥ
nivṛttanānārasakāvyakautukaḥ
nirastaniḥśeṣavikalpaviplavaḥ
samaḥ śāśvatātmakaḥ sukham tiṣṭhati

14. One whose agitation from contemplating the meaning of scriptures has subsided, whose curiosity for the various aesthetic delights of poetry has ceased, and who has dispelled all turmoil caused by mental distinctions, such a serene individual abides happily, having an eternal nature (ātman).

Words meanings summery:

• प्रशान्तशास्त्रार्थविचारचापलः (praśāntaśāstrārthavicāracāpalaḥ) - one whose restlessness concerning deliberations on the meaning of scriptures has been calmed/settled

• निवृत्तनानारसकाव्यकौतुकः (nivṛttanānārasakāvyakautukaḥ) - one whose curiosity for various aesthetic sentiments in poetry has ceased

• निरस्तनिःशेषविकल्पविप्लवः (nirastaniḥśeṣavikalpaviplavaḥ) - one who has dispelled the entire disturbance of mental constructs/doubts

• समः (samaḥ) - equal, tranquil, calm, serene

• सुखम् (sukham) - happily, with ease, peacefully

• तिष्ठति (tiṣṭhati) - remains, stands, abides

• शाश्वतात्मकः (śāśvatātmakaḥ) - whose very being is eternal, of eternal nature (ātman)

Words meanings and morphology

प्रशान्तशास्त्रार्थविचारचापलः (praśāntaśāstrārthavicāracāpalaḥ) - one whose restlessness concerning deliberations on the meaning of scriptures has been calmed/settled

(adjective)

Nominative, masculine, singular of praśāntaśāstrārthavicāracāpala

praśāntaśāstrārthavicāracāpala - one whose restlessness concerning deliberations on the meaning of scriptures has been calmed

Compound type : bahuvrīhi (praśānta+śāstrārtha+vicāra+cāpala)

• praśānta – calmed, tranquilized, settled
  adjective (masculine)
  Past Passive Participle
  Derived from root śam (to be calm) with prefix pra-.
  Prefix: pra
  Root: śam (class 4)
• śāstrārtha – meaning of scriptures, purpose of treatises
  noun (masculine)
• vicāra – deliberation, consideration, investigation, reflection
  noun (masculine)
  From root √car (to move) with prefix vi-, meaning to move apart, examine.
  Prefix: vi
  Root: car (class 1)
• cāpala – restlessness, fickleness, agitation, unsteadiness
  noun (neuter)
  Derived from capala (restless, fickle).

Note: Refers to the implicit subject of the sentence.

निवृत्तनानारसकाव्यकौतुकः (nivṛttanānārasakāvyakautukaḥ) - one whose curiosity for various aesthetic sentiments in poetry has ceased

(adjective)

Nominative, masculine, singular of nivṛttanānārasakāvyakautuka

nivṛttanānārasakāvyakautuka - one whose curiosity for various aesthetic sentiments in poetry has ceased

Compound type : bahuvrīhi (nivṛtta+nānā+rasa+kāvya+kautuka)

• nivṛtta – ceased, turned away from, returned
  adjective (masculine)
  Past Passive Participle
  From root √vṛt (to turn, exist) with prefix ni-.
  Prefix: ni
  Root: vṛt (class 1)
• nānā – various, diverse, manifold
  indeclinable
• rasa – taste, flavor, essence, aesthetic sentiment
  noun (masculine)
• kāvya – poem, poetry, literary work, poetic art
  noun (neuter)
  From kavi (poet).
• kautuka – curiosity, eagerness, wonder, festive occasion
  noun (neuter)
  Derived from kutūhala (curiosity).

Note: Refers to the implicit subject of the sentence.

निरस्तनिःशेषविकल्पविप्लवः (nirastaniḥśeṣavikalpaviplavaḥ) - one who has dispelled the entire disturbance of mental constructs/doubts

(adjective)

Nominative, masculine, singular of nirastaniḥśeṣavikalpaviplava

nirastaniḥśeṣavikalpaviplava - one who has dispelled the entire disturbance of mental constructs

Compound type : bahuvrīhi (nirasta+niḥśeṣa+vikalpa+viplava)

• nirasta – cast off, dispelled, removed, thrown out
  adjective (masculine)
  Past Passive Participle
  From root √as (to throw) with prefix nir-.
  Prefix: nir
  Root: as (class 4)
• niḥśeṣa – entire, complete, without remainder, all
  adjective (masculine)
  From niḥ (without) + śeṣa (remainder).
• vikalpa – doubt, mental construct, alternative, distinction, error
  noun (masculine)
  From root √kḷp (to be arranged) with prefix vi-.
  Prefix: vi
  Root: kḷp (class 10)
• viplava – disturbance, turmoil, flood, disaster, uprising
  noun (masculine)
  From root √plu (to float, flow) with prefix vi-.
  Prefix: vi
  Root: plu (class 1)

Note: Refers to the implicit subject of the sentence.

समः (samaḥ) - equal, tranquil, calm, serene

(adjective)

Nominative, masculine, singular of sama

sama - same, equal, tranquil, calm, even

Note: Agrees with the implicit subject.

सुखम् (sukham) - happily, with ease, peacefully

(indeclinable)

Note: Adverbial usage of accusative singular neuter.

तिष्ठति (tiṣṭhati) - remains, stands, abides

(verb)

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

Present Active Indicative

Third person singular present active indicative of root √sthā.

Root: sthā (class 1)

Note: The subject is implicit, indicated by the nominative adjectives.

शाश्वतात्मकः (śāśvatātmakaḥ) - whose very being is eternal, of eternal nature (ātman)

(adjective)

Nominative, masculine, singular of śāśvatātmaka

śāśvatātmaka - having an eternal nature, whose very being is eternal (ātman)

Compound type : bahuvrīhi (śāśvata+ātman)

• śāśvata – eternal, perpetual, everlasting, constant
  adjective (masculine)
  From śāśvat (always, perpetually).
• ātman – self, soul, spirit, individual consciousness, essential nature
  noun (masculine)

Note: Agrees with the implicit subject.