योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-78, verse-50

निर्वाणपरिनिर्वाणा गतमासे गतज्वरम् ।
अचेतनं चेतन वा योऽयमाभाति चेतति ॥ ५० ॥

nirvāṇaparinirvāṇā gatamāse gatajvaram ,
acetanaṃ cetana vā yo'yamābhāti cetati 50

50. nirvāṇaparinirvāṇā gatamāse gatajvaram
acetanam cetana vā yaḥ ayam ābhāti cetati

50. (aham) nirvāṇaparinirvāṇā gatamāse gatajvaram (asmi).
yaḥ ayam acetanam cetana vā ābhāti,
(saḥ) cetati.

50. I am (identified with) nirvāṇa and complete nirvāṇa (parinirvāṇa); existing in a state beyond measure, free from agitation. That which appears as this (world), whether unconscious or conscious, is ultimately the one (Self) that perceives.

Words meanings summery:

• निर्वाणपरिनिर्वाणा (nirvāṇaparinirvāṇā) - I am (identified with) nirvāṇa and complete nirvāṇa (parinirvāṇa) (having attained nirvāṇa and complete nirvāṇa)

• गतमासे (gatamāse) - in a state where all measures or limits have vanished (in a state beyond measure/limit)

• गतज्वरम् (gatajvaram) - free from all mental agitation and distress (free from fever, agitation, or distress)

• अचेतनम् (acetanam) - the unconscious aspect (of phenomena) (unconscious, inanimate)

• चेतन (cetana) - the conscious aspect (of phenomena) (conscious, animate)

• वा (vā) - or (or, either...or)

• यः (yaḥ) - that (which) (who, which, that)

• अयम् (ayam) - this (world/phenomena) (this)

• आभाति (ābhāti) - appears as, manifests as (appears, shines forth)

• चेतति (cetati) - truly perceives (is the source of consciousness) (perceives, is conscious, thinks)

Words meanings and morphology

निर्वाणपरिनिर्वाणा (nirvāṇaparinirvāṇā) - I am (identified with) nirvāṇa and complete nirvāṇa (parinirvāṇa) (having attained nirvāṇa and complete nirvāṇa)

(noun)

Nominative, feminine, singular of nirvāṇaparinirvāṇa

nirvāṇaparinirvāṇa - nirvāṇa and complete nirvāṇa, ultimate liberation

Dvandva compound of nirvāṇa and parinirvāṇa

Compound type : dvandva (nirvāṇa+parinirvāṇa)

• nirvāṇa – extinction, blowing out (of a lamp), liberation (mokṣa), ultimate bliss
  noun (neuter)
  From root vā (to blow) with prefix nir
  Prefix: nir
  Root: vā (class 2)
• parinirvāṇa – complete nirvāṇa, final extinction, ultimate liberation
  noun (neuter)
  From root vā (to blow) with prefixes pari and nir
  Prefixes: pari+nir
  Root: vā (class 2)

Note: Used adjectivally to describe the implied feminine subject 'aham'.

गतमासे (gatamāse) - in a state where all measures or limits have vanished (in a state beyond measure/limit)

(noun)

Locative, masculine, singular of gatamāsa

gatamāsa - whose measure/limit/time is gone, immeasurable

Bahuvrihi compound 'gata' (gone) + 'māsa' (measure/limit).

Compound type : bahuvrīhi (gata+māsa)

• gata – gone, departed, past, obtained
  adjective (masculine)
  Past Passive Participle
  From root gam (to go)
  Root: gam (class 1)
• māsa – measure, limit, month
  noun (masculine)
  From root mā (to measure)
  Root: mā (class 2)

Note: Used adverbially, describing the state of the speaker.

गतज्वरम् (gatajvaram) - free from all mental agitation and distress (free from fever, agitation, or distress)

(adjective)

neuter, singular of gatajvara

gatajvara - whose fever/distress is gone, calm, free from suffering

Bahuvrihi compound 'gata' (gone) + 'jvara' (fever/agitation).

Compound type : bahuvrīhi (gata+jvara)

• gata – gone, departed, past, obtained
  adjective (masculine)
  Past Passive Participle
  From root gam (to go)
  Root: gam (class 1)
• jvara – fever, distress, agitation, suffering
  noun (masculine)
  From root jvar (to be ill, to suffer from fever)
  Root: jvar (class 1)

Note: Used adverbially to describe the state of being free from agitation.

अचेतनम् (acetanam) - the unconscious aspect (of phenomena) (unconscious, inanimate)

(adjective)

neuter, singular of acetana

acetana - unconscious, inanimate, senseless, irrational

Negative particle 'a' + 'cetana' (conscious).

Compound type : nañ-tatpuruṣa (a+cetana)

• a – not, without
  indeclinable
  negative prefix
• cetana – conscious, animate, sentient, intelligence
  adjective/noun (masculine)
  From root cit (to perceive, think)
  Root: cit (class 10)

Note: Refers to the perceived world.

चेतन (cetana) - the conscious aspect (of phenomena) (conscious, animate)

(adjective)

neuter, singular of cetana

cetana - conscious, animate, sentient, intelligence

From root cit (to perceive, think).

Root: cit (class 10)

वा (vā) - or (or, either...or)

(indeclinable)

conjunction

यः (yaḥ) - that (which) (who, which, that)

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what, that

relative pronoun

Note: Refers to the underlying reality or Self.

अयम् (ayam) - this (world/phenomena) (this)

(pronoun)

Nominative, masculine, singular of idam

idam - this, this here, the present

demonstrative pronoun

Note: Refers to the apparent world as 'this'.

आभाति (ābhāti) - appears as, manifests as (appears, shines forth)

(verb)

3rd person , singular, active, present indicative (lat) of bhā

Present indicative, 3rd person singular, active voice

From root bhā (to shine) with prefix ā.

Prefix: ā

Root: bhā (class 2)

चेतति (cetati) - truly perceives (is the source of consciousness) (perceives, is conscious, thinks)

(verb)

3rd person , singular, active, present indicative (lat) of cit

Present indicative, 3rd person singular, active voice

From root cit.

Root: cit (class 1)