योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-3, verse-36

आश्वस्तान्तःकरणः शान्तविकल्पः स्वरूपसारमयः ।
परमशमामृततृप्तस्तिष्ठति विद्वान्निरावरणः ॥ ३६ ॥

āśvastāntaḥkaraṇaḥ śāntavikalpaḥ svarūpasāramayaḥ ,
paramaśamāmṛtatṛptastiṣṭhati vidvānnirāvaraṇaḥ 36

36. āśvastāntaḥkaraṇaḥ śāntavikalpaḥ svarūpasāramayaḥ
paramaśamāmṛtatṛptaḥ tiṣṭhati vidvān nirāvaraṇaḥ

36. vidvān āśvastāntaḥkaraṇaḥ śāntavikalpaḥ svarūpasāramayaḥ
paramaśamāmṛtatṛptaḥ nirāvaraṇaḥ tiṣṭhati

36. The wise person (vidvān), whose inner self is completely reassured, whose mental fluctuations have subsided, who embodies the essence of their own true nature (svarūpa), and who is satisfied by the nectar of supreme tranquility, abides in a state of being completely unveiled.

Words meanings summery:

• आश्वस्तान्तःकरणः (āśvastāntaḥkaraṇaḥ) - whose inner self is reassured, whose mind is calm

• शान्तविकल्पः (śāntavikalpaḥ) - whose doubts or mental constructs are stilled

• स्वरूपसारमयः (svarūpasāramayaḥ) - whose essence is his own true nature, consisting of the essence of one's own nature

• परमशमामृततृप्तः (paramaśamāmṛtatṛptaḥ) - satisfied by the nectar of supreme tranquility

• तिष्ठति (tiṣṭhati) - stands, remains, abides

• विद्वान् (vidvān) - the wise person, the knower

• निरावरणः (nirāvaraṇaḥ) - unveiled, without covering, unhindered

Words meanings and morphology

आश्वस्तान्तःकरणः (āśvastāntaḥkaraṇaḥ) - whose inner self is reassured, whose mind is calm

(adjective)

Nominative, masculine, singular of āśvastāntaḥkaraṇa

āśvastāntaḥkaraṇa - one whose inner self is reassured

Compound type : Bahuvrīhi (āśvasta+antaḥkaraṇa)

• āśvasta – reassured, comforted
  adjective
  Past Passive Participle
  From root śvas (to breathe, to trust) with upasarga ā.
  Prefix: ā
  Root: śvas (class 2)
• antaḥkaraṇa – inner organ, mind, heart, inner self
  noun (neuter)
  Prefix: antar
  Root: kṛ (class 8)

शान्तविकल्पः (śāntavikalpaḥ) - whose doubts or mental constructs are stilled

(adjective)

Nominative, masculine, singular of śāntavikalpa

śāntavikalpa - one whose doubts are quieted

Compound type : Bahuvrīhi (śānta+vikalpa)

• śānta – quieted, tranquil, ceased
  adjective
  Past Passive Participle
  From root śam (to be calm, to cease).
  Root: śam (class 4)
• vikalpa – doubt, hesitation, mental construct, alternative
  noun (masculine)
  Prefix: vi
  Root: kḷp (class 1)

स्वरूपसारमयः (svarūpasāramayaḥ) - whose essence is his own true nature, consisting of the essence of one's own nature

(adjective)

Nominative, masculine, singular of svarūpasāramaya

svarūpasāramaya - consisting of the essence of one's own nature (svarūpa)

Formed with suffix -maya (consisting of, full of).

Compound type : Tatpuruṣa (svarūpa+sāra+maya)

• svarūpa – one's own form, true nature, intrinsic nature (svarūpa)
  noun (neuter)
  Prefix: sva
• sāra – essence, core, substance
  noun (masculine)
  Root: sṛ (class 1)
• maya – consisting of, full of
  suffix
  Taddhita suffix.

परमशमामृततृप्तः (paramaśamāmṛtatṛptaḥ) - satisfied by the nectar of supreme tranquility

(adjective)

Nominative, masculine, singular of paramaśamāmṛtatṛpta

paramaśamāmṛtatṛpta - one who is satisfied by the nectar of supreme tranquility

Compound type : Tatpuruṣa (parama+śama+amṛta+tṛpta)

• parama – supreme, highest, ultimate
  adjective
• śama – tranquility, mental calmness, cessation
  noun (masculine)
  From root śam (to be calm).
  Root: śam (class 4)
• amṛta – nectar, immortality, ambrosia
  noun (neuter)
  a + mṛta (not dead).
  Root: mṛ (class 6)
• tṛpta – satisfied, contented, satiated
  adjective
  Past Passive Participle
  From root tṛp (to satisfy, to be pleased).
  Root: tṛp (class 4)

तिष्ठति (tiṣṭhati) - stands, remains, abides

(verb)

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

Present active indicative

Reduplicated stem from root sthā.

Root: sthā (class 1)

विद्वान् (vidvān) - the wise person, the knower

(noun)

Nominative, masculine, singular of vidvat

vidvat - wise, learned, knowing

Past active participle

From root vid (to know) with kvasu suffix.

Root: vid (class 2)

निरावरणः (nirāvaraṇaḥ) - unveiled, without covering, unhindered

(adjective)

Nominative, masculine, singular of nirāvaraṇa

nirāvaraṇa - without covering, unobstructed

Compound type : Praadi-Tatpuruṣa (nis+āvaraṇa)

• nis – without, out, free from
  indeclinable
• āvaraṇa – covering, veil, obstruction
  noun (neuter)
  From root vṛ (to cover) with upasarga ā.
  Prefix: ā
  Root: vṛ (class 5)