योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-40, verse-9

ब्रह्मात्मा वेत्ति नो सर्गं सर्गात्मा ब्रह्म वेत्ति नो ।
सुषुप्तो वेत्ति नो स्वप्नं स्वप्नस्थो न सुषुप्तकम् ॥ ९ ॥

brahmātmā vetti no sargaṃ sargātmā brahma vetti no ,
suṣupto vetti no svapnaṃ svapnastho na suṣuptakam 9

9. brahma-ātmā vetti no sargam sarga-ātmā brahma vetti no
suṣuptaḥ vetti no svapnam svapna-sthaḥ na suṣuptakam

9. brahma-ātmā sargam no vetti sarga-ātmā brahma no vetti
suṣuptaḥ svapnam no vetti svapna-sthaḥ suṣuptakam na vetti

9. The self (ātman) identified with the Absolute (brahman) does not perceive creation. Conversely, the self (ātman) identified with creation does not perceive the Absolute (brahman). A person in deep sleep does not know dreams, and one in a dream state does not know deep sleep.

Words meanings summery:

• ब्रह्म-आत्मा (brahma-ātmā) - The individual self (ātman) identified with the ultimate reality (brahman). (the self that is the Absolute, the Absolute self)

• वेत्ति (vetti) - Perceives or is aware of. (knows, perceives, understands)

• नो (no) - does not. (not, no)

• सर्गम् (sargam) - The created world or manifest reality. (creation, emanation, world)

• सर्ग-आत्मा (sarga-ātmā) - The individual self (ātman) identified with the created manifest world. (the self that is creation, the created self)

• ब्रह्म (brahma) - The ultimate reality or universal spirit (brahman). (the Absolute, ultimate reality)

• वेत्ति (vetti) - Perceives or is aware of. (knows, perceives, understands)

• नो (no) - does not. (not, no)

• सुषुप्तः (suṣuptaḥ) - A person experiencing the state of deep sleep. (one who is in deep sleep, deeply sleeping)

• वेत्ति (vetti) - Perceives or is aware of. (knows, perceives, understands)

• नो (no) - does not. (not, no)

• स्वप्नम् (svapnam) - The state of dreaming or a specific dream. (dream, sleep)

• स्वप्न-स्थः (svapna-sthaḥ) - A person experiencing the dream state. (one who is in a dream, dream-dweller)

• न (na) - does not. (not, nor)

• सुषुप्तकम् (suṣuptakam) - The state of deep sleep. (deep sleep)

Words meanings and morphology

ब्रह्म-आत्मा (brahma-ātmā) - The individual self (ātman) identified with the ultimate reality (brahman). (the self that is the Absolute, the Absolute self)

(noun)

Nominative, masculine, singular of brahma-ātman

brahma-ātman - the self that is brahman, the absolute self

Compound type : tatpuruṣa (brahman+ātman)

• brahman – the Absolute, the ultimate reality, the universal spirit
  noun (neuter)
  Root: bṛh (class 1)
• ātman – self, soul, spirit, essence
  noun (masculine)
  Root: an

Note: Refers to the individual self as identified with brahman.

वेत्ति (vetti) - Perceives or is aware of. (knows, perceives, understands)

(verb)

3rd person , singular, active, present (laṭ) of vid

Present active indicative

From root vid (class 2)

Root: vid (class 2)

नो (no) - does not. (not, no)

(indeclinable)

सर्गम् (sargam) - The created world or manifest reality. (creation, emanation, world)

(noun)

Accusative, masculine, singular of sarga

sarga - creation, emanation, discharge, letting loose

From root sṛj (to emit, create)

Root: sṛj (class 6)

सर्ग-आत्मा (sarga-ātmā) - The individual self (ātman) identified with the created manifest world. (the self that is creation, the created self)

(noun)

Nominative, masculine, singular of sarga-ātman

sarga-ātman - the self that is creation

Compound type : tatpuruṣa (sarga+ātman)

• sarga – creation, emanation, world
  noun (masculine)
  From root sṛj (to emit, create)
  Root: sṛj (class 6)
• ātman – self, soul, spirit, essence
  noun (masculine)
  Root: an

Note: Refers to the individual self as identified with creation.

ब्रह्म (brahma) - The ultimate reality or universal spirit (brahman). (the Absolute, ultimate reality)

(noun)

Accusative, neuter, singular of brahman

brahman - the Absolute, the ultimate reality, the universal spirit

Root: bṛh (class 1)

Note: `brahma` can be nom/acc neuter singular of `brahman`. Here it's accusative.

वेत्ति (vetti) - Perceives or is aware of. (knows, perceives, understands)

(verb)

3rd person , singular, active, present (laṭ) of vid

Present active indicative

From root vid (class 2)

Root: vid (class 2)

नो (no) - does not. (not, no)

(indeclinable)

सुषुप्तः (suṣuptaḥ) - A person experiencing the state of deep sleep. (one who is in deep sleep, deeply sleeping)

(adjective)

Nominative, masculine, singular of suṣupta

suṣupta - deeply asleep, deep sleep

Past Passive Participle

From prefix `su-` (good, intensely) + root `svap` (to sleep) + suffix `kta`

Prefix: su

Root: svap (class 2)

Note: Used substantively.

वेत्ति (vetti) - Perceives or is aware of. (knows, perceives, understands)

(verb)

3rd person , singular, active, present (laṭ) of vid

Present active indicative

From root vid (class 2)

Root: vid (class 2)

नो (no) - does not. (not, no)

(indeclinable)

स्वप्नम् (svapnam) - The state of dreaming or a specific dream. (dream, sleep)

(noun)

Accusative, masculine, singular of svapna

svapna - dream, sleep, dreaming

From root svap (to sleep)

Root: svap (class 2)

स्वप्न-स्थः (svapna-sthaḥ) - A person experiencing the dream state. (one who is in a dream, dream-dweller)

(adjective)

Nominative, masculine, singular of svapna-stha

svapna-stha - standing in a dream, being in a dream

From svapna (dream) + stha (standing, being in)

Compound type : tatpuruṣa (svapna+stha)

• svapna – dream, sleep
  noun (masculine)
  From root svap (to sleep)
  Root: svap (class 2)
• stha – standing, staying, being in
  adjective (masculine)
  Noun derived from root sthā
  From root sthā (to stand)
  Root: sthā (class 1)

Note: Used substantively.

न (na) - does not. (not, nor)

(indeclinable)

सुषुप्तकम् (suṣuptakam) - The state of deep sleep. (deep sleep)

(noun)

Accusative, neuter, singular of suṣuptaka

suṣuptaka - deep sleep, one in deep sleep

From `suṣupta` + `ka` (diminutive/substantive suffix)

Prefix: su

Root: svap (class 2)

Note: The `ka` suffix makes it a substantive from the participle `suṣupta`.