योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-52, verse-3

जीवस्वप्नमिमं दीर्घं क्षिप्रताप्रतिभासतः ।
असत्यमप्यवस्तुत्वाद्विद्धि वेद्यविदां वर ॥ ३ ॥

jīvasvapnamimaṃ dīrghaṃ kṣipratāpratibhāsataḥ ,
asatyamapyavastutvādviddhi vedyavidāṃ vara 3

3. jīvasvapnam imam dīrgham kṣipratāpratibhāsataḥ
asatyam api avastutvāt viddhi vedyavidām vara

3. vedyavidām vara imam dīrgham jīvasvapnam
kṣipratāpratibhāsataḥ asatyam api avastutvāt viddhi

3. O best among those who know what is to be known, understand that this long dream of life, though appearing swiftly, is unreal due to its lack of substance.

Words meanings summery:

• जीवस्वप्नम् (jīvasvapnam) - dream of life, a living being's dream

• इमम् (imam) - this, this one

• दीर्घम् (dīrgham) - long, extended

• क्षिप्रताप्रतिभासतः (kṣipratāpratibhāsataḥ) - due to the appearance of swiftness, from the perception of rapidity

• असत्यम् (asatyam) - unreal, false

• अपि (api) - though (even, also, although)

• अवस्तुत्वात् (avastutvāt) - due to its lack of substance, from its non-substantiality

• विद्धि (viddhi) - know, understand

• वेद्यविदाम् (vedyavidām) - of those who know what is to be known, of the knowers of the knowable

• वर (vara) - O best one (best, excellent, choicest)

Words meanings and morphology

जीवस्वप्नम् (jīvasvapnam) - dream of life, a living being's dream

(noun)

Accusative, neuter, singular of jīvasvapna

jīvasvapna - the dream of life, the dream of a living being

Compound type : tatpuruṣa (jīva+svapna)

• jīva – living being, soul, life
  noun (masculine)
  Root: jīv (class 1)
• svapna – dream, sleep
  noun (masculine)
  Root: svap (class 2)

इमम् (imam) - this, this one

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one

दीर्घम् (dīrgham) - long, extended

(adjective)

Accusative, neuter, singular of dīrgha

dīrgha - long, extended, lasting

क्षिप्रताप्रतिभासतः (kṣipratāpratibhāsataḥ) - due to the appearance of swiftness, from the perception of rapidity

(noun)

Ablative, masculine, singular of kṣipratāpratibhāsa

kṣipratāpratibhāsa - the appearance/perception of swiftness/rapidity

Compound type : tatpuruṣa (kṣipratā+pratibhāsa)

• kṣipratā – swiftness, rapidity
  noun (feminine)
  Derived from 'kṣipra' (swift) + 'tā' (abstract suffix).
• pratibhāsa – appearance, manifestation, perception
  noun (masculine)
  From 'bhās' (to shine) with 'prati'.
  Prefix: prati
  Root: bhās (class 1)

असत्यम् (asatyam) - unreal, false

(adjective)

Accusative, neuter, singular of asatya

asatya - unreal, false, untrue

Derived from 'a' (not) + 'satya' (true).

Compound type : nañ-tatpuruṣa (a+satya)

• a – not, non-
  indeclinable
• satya – true, real, existent
  adjective (neuter)
  Derived from 'sat' (being, existing).
  Root: as (class 2)

Note: Agrees with 'jīvasvapnam'.

अपि (api) - though (even, also, although)

(indeclinable)

अवस्तुत्वात् (avastutvāt) - due to its lack of substance, from its non-substantiality

(noun)

Ablative, neuter, singular of avastutva

avastutva - non-substantiality, lack of real existence

Derived from 'a' (not) + 'vastu' (substance) + 'tva' (abstract suffix).

Compound type : nañ-tatpuruṣa (a+vastu+tva)

• a – not, non-
  indeclinable
• vastu – substance, thing, object, reality
  noun (neuter)
  Root: vas (class 10)
• tva – -ness, -hood (abstract suffix)
  suffix (neuter)
  Forms abstract nouns.

विद्धि (viddhi) - know, understand

(verb)

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

Imperative 2nd person singular

Root 'vid' (to know), 2nd person singular imperative form.

Root: vid (class 2)

वेद्यविदाम् (vedyavidām) - of those who know what is to be known, of the knowers of the knowable

(noun)

Genitive, masculine, plural of vedyavid

vedyavid - knower of the knowable

Compound formed from 'vedya' (knowable) and 'vid' (knower).

Compound type : ṣaṣṭhī-tatpuruṣa (vedya+vid)

• vedya – knowable, to be known
  adjective (neuter)
  Gerundive
  From 'vid' (to know) + 'ya' suffix.
  Root: vid (class 2)
• vid – knower, wise
  noun (masculine)
  Agent noun
  From root 'vid' (to know).
  Root: vid (class 2)

वर (vara) - O best one (best, excellent, choicest)

(adjective)

Vocative, masculine, singular of vara

vara - best, excellent, boon, suitor

Root: vṛ (class 9)