योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-136, verse-9

अपश्यदग्रे च जगच्चक्षुरादि स्वभावतः ।
आधाराधेयवद्भूतमयं स्वप्नपुरं यथा ॥ ९ ॥

apaśyadagre ca jagaccakṣurādi svabhāvataḥ ,
ādhārādheyavadbhūtamayaṃ svapnapuraṃ yathā 9

9. apaśyat agre ca jagat cakṣurādi svabhāvataḥ
ādhārādheyavat bhūtamayam svapnapuram yathā

9. ca agre svabhāvataḥ jagat cakṣurādi apaśyat
yathā svapnapuram ādhārādheyavat bhūtamayam

9. And then, it first perceived the world (jagat) and its objects of perception (cakṣurādi), naturally. This world, composed of elements (bhūtamayam) and exhibiting the relationship of container and contained (ādhārādheyavat), was just like a city in a dream (svapnapura).

Words meanings summery:

• अपश्यत् (apaśyat) - it perceived or came to realize (it saw, it perceived)

• अग्रे (agre) - first, initially (in front, before, first, at the head)

• च (ca) - and (and, also)

• जगत् (jagat) - the entire world or universe (world, universe, moving)

• चक्षुरादि (cakṣurādi) - the things perceived by the senses, starting with the eye (beginning with the eye, visible objects)

• स्वभावतः (svabhāvataḥ) - according to its own intrinsic nature (dharma) (by nature, naturally, spontaneously)

• आधाराधेयवत् (ādhārādheyavat) - appearing with the characteristics of both a support and that which is supported (like a container and contained, like support and supported)

• भूतमयम् (bhūtamayam) - composed of the fundamental elements (bhūtas) (consisting of elements, full of beings)

• स्वप्नपुरम् (svapnapuram) - a city appearing in a dream (a dream city)

• यथा (yathā) - just like (just as, as, in which way)

Words meanings and morphology

अपश्यत् (apaśyat) - it perceived or came to realize (it saw, it perceived)

(verb)

3rd person , singular, active, past imperfect (laṅ) of dṛś

Imperfect active, 3rd person singular

Root dṛś (class 1, pashya replacement in present/imperfect)

Root: dṛś (class 1)

अग्रे (agre) - first, initially (in front, before, first, at the head)

(indeclinable)

Locative singular form, used adverbially

च (ca) - and (and, also)

(indeclinable)

जगत् (jagat) - the entire world or universe (world, universe, moving)

(noun)

Accusative, neuter, singular of jagat

jagat - world, universe, what is moving, animate

From root gam (to go) + śatṛ suffix; often used as a neuter noun.

Root: gam (class 1)

चक्षुरादि (cakṣurādi) - the things perceived by the senses, starting with the eye (beginning with the eye, visible objects)

(noun)

Accusative, neuter, singular of cakṣurādi

cakṣurādi - beginning with the eye, visible objects, sense objects

Compound cakṣus (eye) + ādi (beginning, etc.).

Compound type : dvandva (cakṣus+ādi)

• cakṣus – eye, sight
  noun (neuter)
  From root cakṣ (to see)
  Root: cakṣ (class 2)
• ādi – beginning, starting with, etcetera
  noun (masculine/neuter)

स्वभावतः (svabhāvataḥ) - according to its own intrinsic nature (dharma) (by nature, naturally, spontaneously)

(indeclinable)

From svabhāva (one's own nature) + tasil suffix.

आधाराधेयवत् (ādhārādheyavat) - appearing with the characteristics of both a support and that which is supported (like a container and contained, like support and supported)

(adjective)

neuter, singular of ādhārādheyavat

ādhārādheyavat - having the relation of container and contained, support and supported

Compound ādhāra (support, container) + ādheya (what is supported, contained) + vat (like, possessing).

Compound type : dvandva (ādhāra+ādheya+vat)

• ādhāra – support, basis, container, receptacle
  noun (masculine)
  From ā + dhṛ (to hold)
  Prefix: ā
  Root: dhṛ (class 1)
• ādheya – what is to be placed, contained, supported
  gerundive (neuter)
  Gerundive
  From ā + dhā (to place)
  Prefix: ā
  Root: dhā (class 3)
• vat – like, similar to, possessing
  suffix
  vat suffix meaning 'like' or 'possessing'

Note: Qualifies jagat and svapnapuraṃ

भूतमयम् (bhūtamayam) - composed of the fundamental elements (bhūtas) (consisting of elements, full of beings)

(adjective)

Accusative, neuter, singular of bhūtamaya

bhūtamaya - consisting of elements, made of beings, elemental

Compound bhūta (element, being) + maya (made of, consisting of).

Compound type : tatpuruṣa (bhūta+maya)

• bhūta – element, being, creature, past (past participle of bhū)
  noun (neuter)
  Past Passive Participle
  From root bhū (to be)
  Root: bhū (class 1)
• maya – made of, consisting of, full of
  suffix
  Suffix mayaṭ indicating material or abundance

Note: Qualifies jagat and svapnapuraṃ

स्वप्नपुरम् (svapnapuram) - a city appearing in a dream (a dream city)

(noun)

Accusative, neuter, singular of svapnapura

svapnapura - dream city, an illusory city

Compound svapna (dream) + pura (city).

Compound type : karmadhāraya (svapna+pura)

• svapna – dream, sleep
  noun (masculine/neuter)
  From root svap (to sleep)
  Root: svap (class 2)
• pura – city, town, fortress
  noun (neuter)

यथा (yathā) - just like (just as, as, in which way)

(indeclinable)

Derived from ya (which) + thā suffix (manner)