योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-26, verse-23

ज्ञ एवापगतस्वान्तं शान्तमास्व महाश्मवत् ।
असौ न मननं मानमनन्तमजमव्ययम् ॥ २३ ॥

jña evāpagatasvāntaṃ śāntamāsva mahāśmavat ,
asau na mananaṃ mānamanantamajamavyayam 23

23. jñaḥ eva apagatasvāntam śāntam āsva mahāśmavat
asau na mananam mānam anantam ajam avyayam

23. jñaḥ eva apagatasvāntam śāntam mahāśmavat āsva
asau mananam mānam na anantam ajam avyayam

23. You, who are pure consciousness (jña), with your inner self completely subsided, should remain tranquil like a great stone. This (consciousness) is not thought or mental construct; it is infinite, unborn, and immutable.

Words meanings summery:

• ज्ञः (jñaḥ) - knower, consciousness, cognizant, wise person

• एव (eva) - indeed, only, certainly, even, just

• अपगतस्वान्तम् (apagatasvāntam) - having one's inner self departed, tranquilized in mind

• शान्तम् (śāntam) - tranquil, peaceful, calmed, quieted

• आस्व (āsva) - remain, sit, be

• महाश्मवत् (mahāśmavat) - like a great stone, like a rock

• असौ (asau) - This (consciousness/Self) (this (referring to something distant or renowned), that)

• न (na) - not, no

• मननम् (mananam) - mental activity (thinking, reflection, deliberation, meditation)

• मानम् (mānam) - mental construct or perception (measure, perception, knowledge, concept, mental construct)

• अनन्तम् (anantam) - infinite, endless, boundless

• अजम् (ajam) - unborn, not born

• अव्ययम् (avyayam) - imperishable, unchangeable, immutable, indestructible

Words meanings and morphology

ज्ञः (jñaḥ) - knower, consciousness, cognizant, wise person

(noun)

Nominative, masculine, singular of jña

jña - knower, knowing, consciousness, wise person

Derived from √jñā (to know) with the suffix -ka.

Root: jñā (class 9)

एव (eva) - indeed, only, certainly, even, just

(indeclinable)

अपगतस्वान्तम् (apagatasvāntam) - having one's inner self departed, tranquilized in mind

(adjective)

Accusative, neuter, singular of apagatasvānta

apagatasvānta - one whose inner self/mind has departed/subsided

Compound type : bahuvrīhi (apagata+svānta)

• apagata – gone away, departed, subsided, removed
  adjective (masculine)
  Past Passive Participle
  from √gam with apa
  Prefix: apa
  Root: gam (class 1)
• svānta – one's own inner self, mind, heart, consciousness
  noun (neuter)

Note: Predicative adjective to `āsva`, describing the state of the subject `jñaḥ`.

शान्तम् (śāntam) - tranquil, peaceful, calmed, quieted

(adjective)

Accusative, neuter, singular of śānta

śānta - tranquil, peaceful, calmed, quieted

Past Passive Participle

from √śam (to be quiet, calm)

Root: śam (class 4)

Note: Predicative adjective to `āsva`, describing the state of the subject `jñaḥ`.

आस्व (āsva) - remain, sit, be

(verb)

2nd person , singular, middle, imperative (loṭ) of ās

Imperative, middle voice, 2nd person singular

Loṭ la-kāra, ātmanepada, madhyamapuruṣa, ekavacana

Root: ās (class 2)

महाश्मवत् (mahāśmavat) - like a great stone, like a rock

(indeclinable)

Formed from `mahāśman` (great stone) with the suffix `-vat` (like)

Compound type : tatpuruṣa (mahā+aśman+vat)

• mahā – great, large, mighty
  adjective
• aśman – stone, rock
  noun (masculine)
• vat – like, as, similar to
  indeclinable
  Secondary suffix -vat, used to form adjectives or adverbs indicating similarity.

असौ (asau) - This (consciousness/Self) (this (referring to something distant or renowned), that)

(pronoun)

Nominative, masculine, singular of adas

adas - this, that (demonstrative pronoun, referring to something distant or renowned)

Note: Refers to `jñaḥ` or consciousness, which is often considered neuter in abstract philosophical contexts, hence the neuter predicates that follow.

न (na) - not, no

(indeclinable)

मननम् (mananam) - mental activity (thinking, reflection, deliberation, meditation)

(noun)

Nominative, neuter, singular of manana

manana - thinking, reflection, deliberation, meditation

verbal noun

from √man (to think)

Root: man (class 4)

Note: Predicate of `asau`.

मानम् (mānam) - mental construct or perception (measure, perception, knowledge, concept, mental construct)

(noun)

Nominative, neuter, singular of māna

māna - measure, perception, knowledge, concept, opinion, respect

verbal noun

from √mā (to measure, perceive)

Root: mā (class 2)

Note: Predicate of `asau`.

अनन्तम् (anantam) - infinite, endless, boundless

(adjective)

Nominative, neuter, singular of ananta

ananta - infinite, endless, boundless

a- (not) + anta (end)

Note: Predicate of `asau`.

अजम् (ajam) - unborn, not born

(adjective)

Nominative, neuter, singular of aja

aja - unborn, not born; goat (masculine)

a- (not) + √jan (to be born)

Root: jan (class 4)

Note: Predicate of `asau`.

अव्ययम् (avyayam) - imperishable, unchangeable, immutable, indestructible

(adjective)

Nominative, neuter, singular of avyaya

avyaya - imperishable, unchangeable, immutable, undecaying; indeclinable word (gram.)

a- (not) + vyaya (expenditure, decay, change)

Note: Predicate of `asau`.