योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-43, verse-51

जाग्रत्स्वप्नसुषुप्तान्तैर्मनस्त्वं नानुभूयते ।
विधूयानन्तनानात्वमसद्भावमनामये ॥ ५१ ॥

jāgratsvapnasuṣuptāntairmanastvaṃ nānubhūyate ,
vidhūyānantanānātvamasadbhāvamanāmaye 51

51. jāgratsvapnasuṣuptāntaiḥ manastvam na anubhūyate
vidhūya anantanānātvam asadbhāvam anāmaye

51. jāgratsvapnasuṣuptāntaiḥ manastvam na anubhūyate
anantanānātvam asadbhāvam vidhūya anāmaye

51. The true nature of the mind is not experienced (or limited) by the states of waking, dreaming, or deep sleep. By completely shaking off the endless diversity and unreality, one attains the state of ultimate peace and freedom from all affliction.

Words meanings summery:

• जाग्रत्स्वप्नसुषुप्तान्तैः (jāgratsvapnasuṣuptāntaiḥ) - by the limits/ends of waking, dream, and deep sleep

• मनस्त्वम् (manastvam) - mind-ness, the state or nature of mind

• न (na) - not, no

• अनुभूयते (anubhūyate) - is experienced, is perceived

• विधूय (vidhūya) - having shaken off, having cast away, having dispelled

• अनन्तनानात्वम् (anantanānātvam) - endless multiplicity, infinite diversity

• असद्भावम् (asadbhāvam) - non-existence, unreality, absence of reality

• अनामये (anāmaye) - in the state free from affliction/illness, in the perfect state

Words meanings and morphology

जाग्रत्स्वप्नसुषुप्तान्तैः (jāgratsvapnasuṣuptāntaiḥ) - by the limits/ends of waking, dream, and deep sleep

(noun)

Instrumental, masculine, plural of jāgratsvapnasuṣuptānta

jāgratsvapnasuṣuptānta - the limit/end of waking, dream, and deep sleep

Compound type : Dvandva-Tatpuruṣa (jāgrat+svapna+suṣupti+anta)

• jāgrat – waking, awake (state)
  adjective (masculine)
  Present Active Participle
  From root 'jāgṛ' (to wake)
  Root: jāgṛ (class 2)
• svapna – sleep, dream
  noun (masculine)
  Root: svap (class 2)
• suṣupti – deep sleep
  noun (feminine)
  Prefix: su
  Root: svap (class 2)
• anta – end, limit, boundary
  noun (masculine)

मनस्त्वम् (manastvam) - mind-ness, the state or nature of mind

(noun)

Nominative, neuter, singular of manastva

manastva - the state of being mind, mind-ness

Compound type : Tatpuruṣa (manas+tva)

• manas – mind, intellect, understanding
  noun (neuter)
  Root: man (class 4)
• tva – suffix denoting 'nature of', 'state of being'
  suffix

न (na) - not, no

(indeclinable)

अनुभूयते (anubhūyate) - is experienced, is perceived

(verb)

3rd person , singular, passive, present indicative (laṭ) of anubhū

3rd person singular present, passive voice

Prefix: anu

Root: bhū (class 1)

विधूय (vidhūya) - having shaken off, having cast away, having dispelled

(indeclinable)

Absolutive (Gerund)

Absolutive form from root 'dhū' (to shake) with prefix 'vi'

Prefix: vi

Root: dhū (class 5)

अनन्तनानात्वम् (anantanānātvam) - endless multiplicity, infinite diversity

(noun)

Accusative, neuter, singular of anantanānātva

anantanānātva - endless diversity, infinite manifoldness

Compound type : Tatpuruṣa (ananta+nānātva)

• ananta – endless, infinite, boundless
  adjective (masculine)
  Prefix: an
• nānātva – diversity, manifoldness, variety
  noun (neuter)

Note: Object of 'vidhūya'

असद्भावम् (asadbhāvam) - non-existence, unreality, absence of reality

(noun)

Accusative, masculine, singular of asadbhāva

asadbhāva - non-existence, unreality, absence of reality

Compound type : Tatpuruṣa (asat+bhāva)

• asat – unreal, non-existent, false
  adjective (neuter)
  Present Active Participle
  Negation of 'sat' (being, real)
  Prefix: a
  Root: as (class 2)
• bhāva – being, existence, state, nature
  noun (masculine)
  Root: bhū (class 1)

Note: Object of 'vidhūya'

अनामये (anāmaye) - in the state free from affliction/illness, in the perfect state

(adjective)

Locative, masculine, singular of anāmaya

anāmaya - healthy, free from illness, welfare, perfect state

Compound type : Bahuvrīhi (an+āmaya)

• an – not, non-
  indeclinable
• āmaya – illness, disease, affliction
  noun (masculine)
  Prefix: ā
  Root: am (class 1)