योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-4, verse-10

विद्धि चिन्मात्रमेवेदमसद्रूपोपमं ततम् ।
तेनालं मौनमास्स्वैवं सर्वं निर्वाणमात्रकम् ॥ १० ॥

viddhi cinmātramevedamasadrūpopamaṃ tatam ,
tenālaṃ maunamāssvaivaṃ sarvaṃ nirvāṇamātrakam 10

10. viddhi cit-mātram eva idam asat-rūpa-upamam tatam
tena alam maunam āssva evam sarvam nirvāṇa-mātrakam

10. idam asat-rūpa-upamam tatam cit-mātram eva viddhi
tena alam evam maunam āssva sarvam nirvāṇa-mātrakam

10. Understand this (reality) to be pure consciousness (cit-mātram) alone, pervading all, yet resembling an unreal form (asat-rūpopamam). Therefore, cease (external activity)! Abide in silence (mauna) in this manner, for all is merely final liberation (nirvāṇa).

Words meanings summery:

• विद्धि (viddhi) - know, realize (know, understand, perceive)

• चित्-मात्रम् (cit-mātram) - the essence of reality as pure consciousness (merely consciousness, pure consciousness)

• एव (eva) - alone, solely (merely, only, indeed, just)

• इदम् (idam) - this (reality/existence) (this (neuter))

• असत्-रूप-उपमम् (asat-rūpa-upamam) - likened to a form that is not truly existent (e.g., a mirage) (resembling an unreal form)

• ततम् (tatam) - pervading everything (extended, spread, pervaded)

• तेन (tena) - therefore, for that reason (by that, therefore)

• अलम् (alam) - enough (of this), cease (enough, sufficient, capable, in vain)

• मौनम् (maunam) - a state of inner silence, contemplative quietude (dhyāna) (silence, quietness)

• आस्स्व (āssva) - abide, remain in that state (remain, dwell, sit)

• एवम् (evam) - in this manner (thus, in this manner)

• सर्वम् (sarvam) - all existence, the totality of phenomena (all, everything)

• निर्वाण-मात्रकम् (nirvāṇa-mātrakam) - everything is essentially final liberation (nirvāṇa) (merely liberation, solely cessation)

Words meanings and morphology

विद्धि (viddhi) - know, realize (know, understand, perceive)

(verb)

2nd person , singular, active, imperative (loṭ) of vid

Root: vid (class 2)

चित्-मात्रम् (cit-mātram) - the essence of reality as pure consciousness (merely consciousness, pure consciousness)

(noun)

Accusative, neuter, singular of cit-mātra

cit-mātra - merely consciousness, pure consciousness

Compound of `cit` and `mātra`.

Compound type : karmadhāraya (cit+mātra)

• cit – consciousness, pure intelligence
  noun (feminine)
  From root `cit-` 'to perceive, know'
  Root: cit
• mātra – only, merely
  indeclinable
  Suffix indicating 'only' or 'just'

Note: Object of `viddhi`.

एव (eva) - alone, solely (merely, only, indeed, just)

(indeclinable)

Note: Emphasizes the preceding word.

इदम् (idam) - this (reality/existence) (this (neuter))

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one

Note: Object of `viddhi`.

असत्-रूप-उपमम् (asat-rūpa-upamam) - likened to a form that is not truly existent (e.g., a mirage) (resembling an unreal form)

(adjective)

Accusative, neuter, singular of asat-rūpa-upama

asat-rūpa-upama - resembling an unreal form

Compound of `asat-rūpa` and `upama`.

Compound type : tatpuruṣa (asat-rūpa+upama)

• asat – unreal, non-existent
  adjective (neuter)
  Present Active Participle (negative)
  Negative participle from `as-` 'to be'
  Prefix: a
  Root: as (class 2)
• rūpa – form, appearance
  noun (neuter)
• upama – likeness, comparison, resembling
  adjective (neuter)
  Prefix: upa

Note: Modifies `idam`.

ततम् (tatam) - pervading everything (extended, spread, pervaded)

(adjective)

Accusative, neuter, singular of tata

tata - extended, spread, pervaded, stretched

Past Passive Participle

Derived from root `tan-` 'to stretch, spread'

Root: tan (class 8)

Note: Modifies `idam`.

तेन (tena) - therefore, for that reason (by that, therefore)

(pronoun)

Instrumental, neuter, singular of tad

tad - that, that one

अलम् (alam) - enough (of this), cease (enough, sufficient, capable, in vain)

(indeclinable)

मौनम् (maunam) - a state of inner silence, contemplative quietude (dhyāna) (silence, quietness)

(noun)

Accusative, neuter, singular of mauna

mauna - silence, quietness

Abstract noun from `muni` (sage)

Note: Object of `āssva`.

आस्स्व (āssva) - abide, remain in that state (remain, dwell, sit)

(verb)

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

Root: ās (class 2)

एवम् (evam) - in this manner (thus, in this manner)

(indeclinable)

सर्वम् (sarvam) - all existence, the totality of phenomena (all, everything)

(pronoun)

Nominative, neuter, singular of sarva

sarva - all, every, whole

निर्वाण-मात्रकम् (nirvāṇa-mātrakam) - everything is essentially final liberation (nirvāṇa) (merely liberation, solely cessation)

(noun)

Nominative, neuter, singular of nirvāṇa-mātraka

nirvāṇa-mātraka - merely liberation, solely cessation

Compound of `nirvāṇa` and `mātraka`. `mātraka` is a diminutive/emphatic form of `mātra`.

Compound type : karmadhāraya (nirvāṇa+mātraka)

• nirvāṇa – extinction, cessation, liberation, bliss
  noun (neuter)
  From root `vā-` 'to blow' with prefix `nir-` 'out', meaning 'blown out, extinguished'
  Prefix: nir
  Root: vā (class 2)
• mātraka – only, merely (diminutive/emphatic)
  indeclinable
  Suffix indicating 'only' or 'just', often diminutive or emphatic

Note: Predicate for `sarvam`.