योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-213, verse-15

शाम्यतीदमशेषेण तथा सर्वत्र सर्वदा ।
यथा जाग्रद्विधौ स्वप्नः स्वप्ने वा जागरो यथा ॥ १५ ॥

śāmyatīdamaśeṣeṇa tathā sarvatra sarvadā ,
yathā jāgradvidhau svapnaḥ svapne vā jāgaro yathā 15

15. śāmyati idam aśeṣeṇa tathā sarvatra sarvadā yathā
jāgradvidhau svapnaḥ svapne vā jāgaraḥ yathā

15. tathā idam aśeṣeṇa śāmyati sarvatra sarvadā yathā
jāgradvidhau svapnaḥ vā yathā svapne jāgaraḥ

15. Indeed, it completely ceases everywhere and always, just as a dream ceases in the waking state, or as the waking state ceases in a dream.

Words meanings summery:

• शाम्यति (śāmyati) - ceases, subsides, becomes tranquil

• इदम् (idam) - the visible world mentioned in the previous verse (this (referring to the visible world))

• अशेषेण (aśeṣeṇa) - completely, entirely, without remainder

• तथा (tathā) - thus, so, indeed, similarly

• सर्वत्र (sarvatra) - everywhere, in all places

• सर्वदा (sarvadā) - always, at all times

• यथा (yathā) - just as, as

• जाग्रद्विधौ (jāgradvidhau) - in the waking state/condition

• स्वप्नः (svapnaḥ) - a dream

• स्वप्ने (svapne) - in a dream

• वा (vā) - or, either...or

• जागरः (jāgaraḥ) - the waking state

• यथा (yathā) - just as, as

Words meanings and morphology

शाम्यति (śāmyati) - ceases, subsides, becomes tranquil

(verb)

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

Root: śam (class 4)

इदम् (idam) - the visible world mentioned in the previous verse (this (referring to the visible world))

(pronoun/adjective)

अशेषेण (aśeṣeṇa) - completely, entirely, without remainder

(noun)

Instrumental, masculine, singular of aśeṣa

aśeṣa - without remainder, complete, entire

Compound type : Bahuvrihi (a+śeṣa)

• a – not, non-, un-
  indeclinable
  Privative prefix.
• śeṣa – remainder, residue, balance
  noun (masculine)
  From root śiṣ- ('to leave').
  Root: śiṣ (class 7)

Note: Used adverbially here.

तथा (tathā) - thus, so, indeed, similarly

(indeclinable)

सर्वत्र (sarvatra) - everywhere, in all places

(indeclinable)

Derived from sarva- ('all') + -tra suffix ('in/at').

सर्वदा (sarvadā) - always, at all times

(indeclinable)

Derived from sarva- ('all') + -dā suffix ('at time').

यथा (yathā) - just as, as

(indeclinable)

जाग्रद्विधौ (jāgradvidhau) - in the waking state/condition

(noun)

Locative, masculine, singular of jāgradvidhi

jāgradvidhi - waking state, waking condition

Compound type : Tatpurusha (jāgrat+vidhi)

• jāgrat – waking, awake, alert
  participle
  Present Active Participle
  Derived from root jāgṛ- ('to wake').
  Root: jāgṛ (class 2)
• vidhi – manner, rule, state, condition, ordinance
  noun (masculine)
  From root dhā- ('to place, arrange') with prefix vi-.
  Prefix: vi
  Root: dhā (class 3)

स्वप्नः (svapnaḥ) - a dream

(noun)

Nominative, masculine, singular of svapna

svapna - dream, sleep

स्वप्ने (svapne) - in a dream

(noun)

Locative, masculine, singular of svapna

svapna - dream, sleep

वा (vā) - or, either...or

(indeclinable)

जागरः (jāgaraḥ) - the waking state

(noun)

Nominative, masculine, singular of jāgara

jāgara - waking, waking state, wakefulness

From root jāgṛ- ('to wake').

Root: jāgṛ (class 2)

यथा (yathā) - just as, as

(indeclinable)