योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-126, verse-61

भूमिकात्रितयं जाग्रच्चतुर्थी स्वप्न उच्यते ।
विच्छिन्नशरदभ्रांशविलयं प्रविलीयते ॥ ६१ ॥

bhūmikātritayaṃ jāgraccaturthī svapna ucyate ,
vicchinnaśaradabhrāṃśavilayaṃ pravilīyate 61

61. bhūmikātritayam jāgrat caturthī svapnaḥ ucyate
vicchinnaśaradabhrāṁśa vilayam pravillīyate

61. bhūmikātritayam jāgrat caturthī svapnaḥ ucyate
vicchinnaśaradabhrāṁśa vilayam pravillīyate

61. The first three stages are called the waking state, and the fourth is designated as the dream state. This (fourth stage) then completely dissolves like scattered fragments of autumn clouds.

Words meanings summery:

• भूमिकात्रितयम् (bhūmikātritayam) - the three stages

• जाग्रत् (jāgrat) - waking, the waking state

• चतुर्थी (caturthī) - the fourth

• स्वप्नः (svapnaḥ) - dream, the dream state

• उच्यते (ucyate) - is called, is said, is designated

• विच्छिन्नशरदभ्रांश (vicchinnaśaradabhrāṁśa) - like scattered fragments of autumn clouds

• विलयम् (vilayam) - dissolution, disappearance, merging

• प्रविल्लीयते (pravillīyate) - completely dissolves, vanishes

Words meanings and morphology

भूमिकात्रितयम् (bhūmikātritayam) - the three stages

(noun)

Nominative, neuter, singular of bhūmikātritaya

bhūmikātritaya - the three stages/states

Compound type : tatpuruṣa (bhūmikā+tritaya)

• bhūmikā – stage, state, level
  noun (feminine)
• tritaya – a group of three, triad
  noun (neuter)

जाग्रत् (jāgrat) - waking, the waking state

(noun)

Nominative, neuter, singular of jāgrat

jāgrat - waking, awake, the waking state

Present Active Participle

from root jāgṛ

Root: jāgṛ (class 2)

चतुर्थी (caturthī) - the fourth

(adjective)

Nominative, feminine, singular of caturthī

caturthī - fourth

ordinal number

स्वप्नः (svapnaḥ) - dream, the dream state

(noun)

Nominative, masculine, singular of svapna

svapna - dream, sleep, dream state

Root: svap (class 2)

उच्यते (ucyate) - is called, is said, is designated

(verb)

3rd person , singular, passive, present (lat) of vac

Root: vac (class 2)

विच्छिन्नशरदभ्रांश (vicchinnaśaradabhrāṁśa) - like scattered fragments of autumn clouds

(adjective)

Nominative, masculine, singular of vicchinnaśaradabhrāṁśa

vicchinnaśaradabhrāṁśa - scattered fragments of autumn clouds

Compound type : karmadhāraya-tatpuruṣa (vicchinna+śarad+abhrāṁśa)

• vicchinna – scattered, torn apart, rent
  adjective
  Past Passive Participle
  from root chid with prefix vi
  Prefix: vi
  Root: chid (class 7)
• śarad – autumn
  noun (feminine)
• abhrāṁśa – cloud fragment, piece of cloud
  noun (masculine)

Note: Describes vilayam as a simile. The compound itself is a noun, but used as an adjective here.

विलयम् (vilayam) - dissolution, disappearance, merging

(noun)

Accusative, masculine, singular of vilaya

vilaya - dissolution, melting, disappearance, merging

Prefix: vi

Root: lī (class 4)

Note: Used adverbially to mean 'into dissolution' or 'completely'.

प्रविल्लीयते (pravillīyate) - completely dissolves, vanishes

(verb)

3rd person , singular, middle, present (lat) of pralī

Prefix: pra

Root: lī (class 4)