योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-146, verse-9

तथा सुषुप्तविश्रान्तेः स्वप्ने निद्रामहं विशम् ।
अपश्यं दृश्यमोजोऽन्तः स्वमूर्मित्वमिवार्णवः ॥ ९ ॥

tathā suṣuptaviśrānteḥ svapne nidrāmahaṃ viśam ,
apaśyaṃ dṛśyamojo'ntaḥ svamūrmitvamivārṇavaḥ 9

9. tathā suṣuptaviśrānteḥ svapne nidrām aham viśam
apaśyam dṛśyam ojaḥ antaḥ svam ūrmitvam iva arṇavaḥ

9. tathā suṣuptaviśrānteḥ svapne aham nidrām viśam
ojaḥ antaḥ dṛśyam apaśyam arṇavaḥ iva svam ūrmitvam

9. Similarly, transitioning from the cessation of deep sleep (suṣupti), I entered sleep (nidrā) within a dream (svapna). I then perceived a visible manifestation within my vital essence (ojas), just as the ocean itself transforms into its own wave-like state.

Words meanings summery:

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

• सुषुप्तविश्रान्तेः (suṣuptaviśrānteḥ) - from the cessation of deep sleep (suṣupti) (from the rest/cessation of deep sleep)

• स्वप्ने (svapne) - within a dream (svapna) (in a dream, in sleep)

• निद्राम् (nidrām) - sleep (nidrā) (sleep, slumber)

• अहम् (aham) - I

• विशम् (viśam) - I entered (the state of) (I entered, I penetrated)

• अपश्यम् (apaśyam) - I perceived (I saw, I beheld)

• दृश्यम् (dṛśyam) - a visible manifestation / a vision (visible, to be seen, a vision, a sight)

• ओजः (ojaḥ) - vital essence (ojas) (vital energy, vigor, strength, essence)

• अन्तः (antaḥ) - within (within, inside, in the middle)

• स्वम् (svam) - its own (one's own, self)

• ऊर्मित्वम् (ūrmitvam) - wave-like state (wave-like state, waviness)

• इव (iva) - just as (like, as, as if)

• अर्णवः (arṇavaḥ) - the ocean (ocean, sea)

Words meanings and morphology

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

(indeclinable)

सुषुप्तविश्रान्तेः (suṣuptaviśrānteḥ) - from the cessation of deep sleep (suṣupti) (from the rest/cessation of deep sleep)

(noun)

Ablative, feminine, singular of suṣuptaviśrānti

suṣuptaviśrānti - cessation/rest from deep sleep

Compound noun

Compound type : tatpuruṣa (suṣupta+viśrānti)

• suṣupta – deep sleep, sound asleep
  noun (neuter)
  Past Passive Participle
  from root svap (to sleep), with prefix su-
  Prefix: su
  Root: svap (class 2)
• viśrānti – rest, cessation, repose
  noun (feminine)
  from root śram with prefix vi-
  Prefix: vi
  Root: śram (class 4)

Note: Indicates origin or transition.

स्वप्ने (svapne) - within a dream (svapna) (in a dream, in sleep)

(noun)

Locative, masculine, singular of svapna

svapna - sleep, dream, dreaming

from root svap

Root: svap (class 2)

निद्राम् (nidrām) - sleep (nidrā) (sleep, slumber)

(noun)

Accusative, feminine, singular of nidrā

nidrā - sleep, slumber, rest

from root drā with prefix ni-

Prefix: ni

Root: drā (class 2)

Note: Object of 'viśam' (understood as 'entering').

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

विशम् (viśam) - I entered (the state of) (I entered, I penetrated)

(verb)

1st person , singular, active, past imperfect (laṅ) of viś

Root: viś (class 6)

अपश्यम् (apaśyam) - I perceived (I saw, I beheld)

(verb)

1st person , singular, active, past imperfect (laṅ) of paś

from root dṛś, used in present tense forms

Root: dṛś (class 1)

दृश्यम् (dṛśyam) - a visible manifestation / a vision (visible, to be seen, a vision, a sight)

(noun)

Accusative, neuter, singular of dṛśya

dṛśya - visible, perceivable, a vision, an object of sight

Gerundive

from root dṛś + yat

Root: dṛś (class 1)

Note: Object of 'apaśyam'.

ओजः (ojaḥ) - vital essence (ojas) (vital energy, vigor, strength, essence)

(noun)

Accusative, neuter, singular of ojas

ojas - vital energy, vigor, strength, essence, luster

Note: In apposition to 'dṛśyam' (visible vital essence) or as a further object of 'apaśyam'.

अन्तः (antaḥ) - within (within, inside, in the middle)

(indeclinable)

स्वम् (svam) - its own (one's own, self)

(pronoun)

Accusative, neuter, singular of sva

sva - one's own, self, own property

Note: Qualifies 'ūrmitvam'.

ऊर्मित्वम् (ūrmitvam) - wave-like state (wave-like state, waviness)

(noun)

Accusative, neuter, singular of ūrmitva

ūrmitva - state of being a wave, waviness

from ūrmi + tva (abstract noun suffix)

Compound type : tatpuruṣa (ūrmi+tva)

• ūrmi – wave, billow, surge
  noun (masculine)
• tva – suffix for abstract noun, -ness, -hood
  indeclinable (neuter)

Note: Object of implied transformation, likened to arṇava.

इव (iva) - just as (like, as, as if)

(indeclinable)

Note: Particle of comparison.

अर्णवः (arṇavaḥ) - the ocean (ocean, sea)

(noun)

Nominative, masculine, singular of arṇava

arṇava - ocean, sea, flood

Note: Subject of the simile.