योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-43, verse-36

आशीतलान्तःकरणो निर्वाणो ज्ञोऽवतिष्ठते ।
तज्ज्ञस्याकृष्टमुक्तस्य समं ध्यानं विना स्थितिः ॥ ३६ ॥

āśītalāntaḥkaraṇo nirvāṇo jño'vatiṣṭhate ,
tajjñasyākṛṣṭamuktasya samaṃ dhyānaṃ vinā sthitiḥ 36

36. āśītalāntaḥkaraṇaḥ nirvāṇaḥ jñaḥ avatiṣṭhate |
tat-jñasya akṛṣṭa-muktasya samam dhyānam vinā sthitiḥ ||

36. āśītalāntaḥkaraṇaḥ nirvāṇaḥ jñaḥ avatiṣṭhate
tat-jñasya akṛṣṭa-muktasya dhyānam vinā samam sthitiḥ

36. A knower (jña) whose inner faculty is completely tranquil and who has attained final liberation (nirvāṇa) remains steadfast. For such a knower, who is free from attachment and liberated, a state of equanimity exists even without (formal) meditation (dhyāna).

Words meanings summery:

• आशीतलान्तःकरणः (āśītalāntaḥkaraṇaḥ) - one whose inner faculty/mind is completely cool, tranquil, peaceful

• निर्वाणः (nirvāṇaḥ) - liberated, extinguished (of suffering), attained final liberation

• ज्ञः (jñaḥ) - knower, one who knows

• अवतिष्ठते (avatiṣṭhate) - stands firm, remains, abides

• तत्-ज्ञस्य (tat-jñasya) - of that knower, for that knower

• अकृष्ट-मुक्तस्य (akṛṣṭa-muktasya) - of one who is unattached and liberated

• समम् (samam) - equal, even, balanced, tranquil

• ध्यानम् (dhyānam) - meditation, contemplation

• विना (vinā) - without, except for

• स्थितिः (sthitiḥ) - state, condition, stability, existence

Words meanings and morphology

आशीतलान्तःकरणः (āśītalāntaḥkaraṇaḥ) - one whose inner faculty/mind is completely cool, tranquil, peaceful

(adjective)

Nominative, masculine, singular of āśītalāntaḥkaraṇa

āśītalāntaḥkaraṇa - one whose inner faculty/mind is completely cool, tranquil, peaceful

Compound type : Bahuvrihi (āśītala+antaḥkaraṇa)

• āśītala – completely cool, very cold, tranquil
  adjective (masculine)
  Prefix: ā
• antaḥkaraṇa – inner faculty, mind, heart, conscience
  noun (neuter)

निर्वाणः (nirvāṇaḥ) - liberated, extinguished (of suffering), attained final liberation

(adjective)

Nominative, masculine, singular of nirvāṇa

nirvāṇa - liberation, extinction (of a flame), cessation of suffering, tranquil

Past Passive Participle

Derived from root √vā with prefix nir-

Prefix: nir

Root: √vā (class 2)

ज्ञः (jñaḥ) - knower, one who knows

(adjective)

Nominative, masculine, singular of jña

jña - knowing, wise, knower

Root: √jñā (class 9)

अवतिष्ठते (avatiṣṭhate) - stands firm, remains, abides

(verb)

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

Present tense, 3rd person singular, middle voice (ātmanepada)

Prefix: ava

Root: √sthā (class 1)

तत्-ज्ञस्य (tat-jñasya) - of that knower, for that knower

(noun)

Genitive, masculine, singular of tat-jña

tat-jña - that knower, a knower of that (referring to the preceding state)

Compound type : Tatpurusha (tad+jña)

• tad – that
  pronoun (neuter)
• jña – knowing, wise, knower
  adjective (masculine/neuter)
  Root: √jñā (class 9)

अकृष्ट-मुक्तस्य (akṛṣṭa-muktasya) - of one who is unattached and liberated

(adjective)

Genitive, masculine, singular of akṛṣṭa-mukta

akṛṣṭa-mukta - unpulled, unattracted, and liberated

Compound type : Dvandva (akṛṣṭa+mukta)

• akṛṣṭa – unpulled, uncultivated, unattractive
  adjective (masculine)
  Past Passive Participle
  Derived from root √kṛṣ (to pull, attract) with negative prefix 'a-'
  Prefix: a
  Root: √kṛṣ (class 1)
• mukta – liberated, released, freed
  adjective (masculine)
  Past Passive Participle
  Derived from root √muc (to release, liberate)
  Root: √muc (class 6)

समम् (samam) - equal, even, balanced, tranquil

(adjective)

Nominative, neuter, singular of sama

sama - equal, even, same, similar, balanced, tranquil

Note: Used predicatively for the state (sthiti).

ध्यानम् (dhyānam) - meditation, contemplation

(noun)

Accusative, neuter, singular of dhyāna

dhyāna - meditation, contemplation, thought

Root: √dhyai (class 1)

Note: Governed by `vinā`.

विना (vinā) - without, except for

(indeclinable)

स्थितिः (sthitiḥ) - state, condition, stability, existence

(noun)

Nominative, feminine, singular of sthiti

sthiti - standing, staying, state, condition, stability, existence

Root: √sthā (class 1)