योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-143, verse-18

जाग्रत्स्वप्नार्थसार्थस्य संविदश्च न भिन्नता ।
अस्त्यप्रतिघरूपायाः प्रकाशालोकयोरिव ॥ १८ ॥

jāgratsvapnārthasārthasya saṃvidaśca na bhinnatā ,
astyapratigharūpāyāḥ prakāśālokayoriva 18

18. jāgratsvapnārthasārthasya saṃvidaḥ ca na bhinnatā
asti apratigharūpāyāḥ prakāśa-ālokayoḥ iva

18. prakāśa-ālokayoḥ iva apratigharūpāyāḥ
jāgratsvapnārthasārthasya ca saṃvidaḥ na bhinnatā asti

18. Just as there is no difference between light and its illumination, similarly, there is no difference between the totality of objects perceived in the waking and dream states and consciousness (saṃvid), which is of an unimpeded nature.

Words meanings summery:

• जाग्रत्स्वप्नार्थसार्थस्य (jāgratsvapnārthasārthasya) - of the totality of objects of waking and dream states

• संविदः (saṁvidaḥ) - of consciousness

• च (ca) - and

• न (na) - not, no

• भिन्नता (bhinnatā) - difference, distinctness

• अस्ति (asti) - there is, exists

• अप्रतिघरूपायाः (apratigharūpāyāḥ) - of that whose nature is unimpeded/unobstructed

• प्रकाश-आलोकयोः (prakāśa-ālokayoḥ) - of light and illumination

• इव (iva) - like, as, just as

Words meanings and morphology

जाग्रत्स्वप्नार्थसार्थस्य (jāgratsvapnārthasārthasya) - of the totality of objects of waking and dream states

(noun)

Genitive, masculine, singular of jāgratsvapnārthasārtha

jāgratsvapnārthasārtha - totality of objects of waking and dream states

Compound type : tatpuruṣa (jāgrat+svapna+artha+sārtha)

• jāgrat – waking, awake
  participle (masculine)
  Present Active Participle
  Derived from root jāgṛ, functioning as an adjective.
  Root: jāgṛ (class 2)
• svapna – dream, sleep
  noun (masculine)
• artha – object, meaning, purpose
  noun (masculine)
• sārtha – multitude, collection, totality
  noun (masculine)

संविदः (saṁvidaḥ) - of consciousness

(noun)

Genitive, feminine, singular of saṃvid

saṁvid - consciousness (saṃvid), knowledge, understanding

Prefix: sam

Root: vid (class 2)

च (ca) - and

(indeclinable)

न (na) - not, no

(indeclinable)

भिन्नता (bhinnatā) - difference, distinctness

(noun)

Nominative, feminine, singular of bhinnatā

bhinnatā - difference, distinctness, separation

अस्ति (asti) - there is, exists

(verb)

3rd person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

अप्रतिघरूपायाः (apratigharūpāyāḥ) - of that whose nature is unimpeded/unobstructed

(adjective)

Genitive, feminine, singular of apratigharūpā

apratigharūpā - having an unobstructed form/nature

Compound type : bahuvrīhi (a+pratigha+rūpa)

• a – not, un-
  indeclinable
• pratigha – obstruction, resistance
  noun (masculine)
  Prefix: prati
  Root: han
• rūpa – form, nature, appearance
  noun (neuter)

प्रकाश-आलोकयोः (prakāśa-ālokayoḥ) - of light and illumination

(noun)

Genitive, masculine, dual of prakāśa-āloka

prakāśa-āloka - light and illumination

Compound type : dvandva (prakāśa+āloka)

• prakāśa – light, manifestation
  noun (masculine)
  Prefix: pra
  Root: kāś (class 1)
• āloka – light, illumination, sight
  noun (masculine)
  Prefix: ā
  Root: lok (class 10)

इव (iva) - like, as, just as

(indeclinable)