योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-87, verse-10

गतं स्वभावं चिद्व्योम यथा त्वं राम निद्रया ।
जाग्रद्वा स्वप्नलोकं वा विशन्वेत्सि ससं घनम् ॥ १० ॥

gataṃ svabhāvaṃ cidvyoma yathā tvaṃ rāma nidrayā ,
jāgradvā svapnalokaṃ vā viśanvetsi sasaṃ ghanam 10

10. gatam svabhāvam cit-vyoma yathā tvam rāma nidrayā
jāgrat vā svapnalokam vā viśan vetsi sasam ghanam

10. rāma yathā tvam nidrayā jāgrat vā svapnalokam vā
viśan gatam svabhāvam cit-vyoma sasam ghanam vetsi

10. O Rama, just as you, through sleep, entering either the waking state or the dream world, perceive the consciousness-space (cit-vyoma), which has seemingly abandoned its true nature, as something dense and having form.

Words meanings summery:

• गतम् (gatam) - having gone away from, having lost (its original nature) (gone, passed, reached, obtained)

• स्वभावम् (svabhāvam) - own nature, inherent disposition

• चित्-व्योम (cit-vyoma) - consciousness-space, mental space

• यथा (yathā) - just as, as, in which way

• त्वम् (tvam) - you

• राम (rāma) - O Rama

• निद्रया (nidrayā) - by sleep, through sleep

• जाग्रत् (jāgrat) - the state of waking consciousness (waking, being awake)

• वा (vā) - or

• स्वप्नलोकम् (svapnalokam) - dream-world

• वा (vā) - or

• विशन् (viśan) - entering

• वेत्सि (vetsi) - you know, you understand, you perceive

• ससम् (sasam) - referring to the consciousness-space taking on a formed or substantial appearance (with form, with substance, with attachment, concrete)

• घनम् (ghanam) - concrete, material, not subtle or ethereal (dense, solid, compact, thick)

Words meanings and morphology

गतम् (gatam) - having gone away from, having lost (its original nature) (gone, passed, reached, obtained)

(adjective)

Accusative, neuter, singular of gata

gata - gone, arrived, past, obtained, relating to

Past Passive Participle

Derived from root √gam (to go)

Root: gam (class 1)

स्वभावम् (svabhāvam) - own nature, inherent disposition

(noun)

Accusative, masculine, singular of svabhāva

svabhāva - one's own nature, intrinsic nature, natural state, disposition

Compound type : tatpurusha (sva+bhāva)

• sva – own, one's own, self
  pronoun (masculine)
• bhāva – state of being, nature, existence, disposition
  noun (masculine)
  Derived from root √bhū (to be, exist)
  Root: bhū (class 1)

चित्-व्योम (cit-vyoma) - consciousness-space, mental space

(noun)

Nominative, neuter, singular of cit-vyoma

cit-vyoma - consciousness-space, the space of consciousness

Compound type : tatpurusha (cit+vyoma)

• cit – consciousness, knowledge, intelligence
  noun (feminine)
  Root: cit (class 1)
• vyoma – sky, atmosphere, space, ether
  noun (neuter)

यथा (yathā) - just as, as, in which way

(indeclinable)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you (singular and plural)

राम (rāma) - O Rama

(proper noun)

Vocative, masculine, singular of rāma

rāma - Rama (a proper name, hero of Ramayana)

निद्रया (nidrayā) - by sleep, through sleep

(noun)

Instrumental, feminine, singular of nidrā

nidrā - sleep, slumber, rest

जाग्रत् (jāgrat) - the state of waking consciousness (waking, being awake)

(adjective)

Nominative, masculine, singular of jāgrat

jāgrat - waking, awake, watchful

Present Active Participle

Derived from root √jāgṛ (to wake, be awake)

Root: jāgṛ (class 2)

वा (vā) - or

(indeclinable)

स्वप्नलोकम् (svapnalokam) - dream-world

(noun)

Accusative, masculine, singular of svapnaloka

svapnaloka - the world of dreams, dream-state

Compound type : tatpurusha (svapna+loka)

• svapna – sleep, dream
  noun (masculine)
  Derived from root √svap (to sleep)
  Root: svap (class 2)
• loka – world, realm, people
  noun (masculine)
  Derived from root √lok (to see, perceive)
  Root: lok (class 10)

वा (vā) - or

(indeclinable)

विशन् (viśan) - entering

(adjective)

Nominative, masculine, singular of viśat

viśat - entering, pervading

Present Active Participle

Derived from root √viś (to enter)

Root: viś (class 6)

वेत्सि (vetsi) - you know, you understand, you perceive

(verb)

2nd person , singular, active, present (laṭ) of vid

Root: vid (class 2)

ससम् (sasam) - referring to the consciousness-space taking on a formed or substantial appearance (with form, with substance, with attachment, concrete)

(adjective)

Accusative, neuter, singular of sasa

sasa - with form, with essence, with attachment, concrete (interpreted as sa-sattā/sākāram in context)

घनम् (ghanam) - concrete, material, not subtle or ethereal (dense, solid, compact, thick)

(adjective)

Accusative, neuter, singular of ghana

ghana - dense, solid, compact, thick, heavy, cloud