योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-18, verse-30

अस्ति क्वचिच्चिदाकाशे क्वचित्संसारमण्डपः ।
आकाशकाचदलवत्संस्थानाच्छादिताकृतिः ॥ ३० ॥

asti kvaciccidākāśe kvacitsaṃsāramaṇḍapaḥ ,
ākāśakācadalavatsaṃsthānācchāditākṛtiḥ 30

30. asti kvacit cit-ākāśe kvacit saṃsāra-maṇḍapaḥ
ākāśa-kāca-dala-vat saṃsthāna-ācchādita-ākṛtiḥ

30. kvacit cit-ākāśe kvacit saṃsāra-maṇḍapaḥ
ākāśa-kāca-dala-vat saṃsthāna-ācchādita-ākṛtiḥ asti

30. Somewhere within the expanse of consciousness (cit-ākāśa), there exists the pavilion of transmigration (saṃsāra). Its form is veiled by a specific structure, resembling a fragment of celestial crystal.

Words meanings summery:

• अस्ति (asti) - is, exists

• क्वचित् (kvacit) - somewhere, sometimes, in some place

• चित्-आकाशे (cit-ākāśe) - in the space of consciousness, in the expanse of awareness

• क्वचित् (kvacit) - somewhere, sometimes, in some place

• संसार-मण्डपः (saṁsāra-maṇḍapaḥ) - the pavilion of transmigration, the hall of worldly existence

• आकाश-काच-दल-वत् (ākāśa-kāca-dala-vat) - like a shard of sky-glass, resembling a fragment of celestial crystal

• संस्थान-आच्छादित-आकृतिः (saṁsthāna-ācchādita-ākṛtiḥ) - whose form is covered by a specific structure/arrangement

Words meanings and morphology

अस्ति (asti) - is, exists

(verb)

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

Root: as (class 2)

क्वचित् (kvacit) - somewhere, sometimes, in some place

(indeclinable)

Note: Corresponds to the first 'kvacit' in the verse.

चित्-आकाशे (cit-ākāśe) - in the space of consciousness, in the expanse of awareness

(noun)

Locative, masculine, singular of cit-ākāśa

cit-ākāśa - the space of consciousness (cit-ākāśa), the expanse of awareness

Compound type : tatpuruṣa (cit+ākāśa)

• cit – consciousness, intelligence, thought
  noun (feminine)
• ākāśa – space, ether, sky, expanse
  noun (masculine)
  Prefix: ā
  Root: kāś (class 1)

Note: Refers to the fundamental, all-pervading space of pure consciousness.

क्वचित् (kvacit) - somewhere, sometimes, in some place

(indeclinable)

Note: Corresponds to the second 'kvacit' in the verse.

संसार-मण्डपः (saṁsāra-maṇḍapaḥ) - the pavilion of transmigration, the hall of worldly existence

(noun)

Nominative, masculine, singular of saṃsāra-maṇḍapa

saṁsāra-maṇḍapa - pavilion of transmigration (saṃsāra), hall of worldly existence

Compound type : tatpuruṣa (saṃsāra+maṇḍapa)

• saṃsāra – transmigration, cycle of birth and death, worldly existence
  noun (masculine)
  Derived from saṃ-sṛ (to flow together, go through) + ghañ suffix
  Prefix: sam
  Root: sṛ (class 1)
• maṇḍapa – pavilion, open hall, temporary shed
  noun (masculine)

आकाश-काच-दल-वत् (ākāśa-kāca-dala-vat) - like a shard of sky-glass, resembling a fragment of celestial crystal

(indeclinable)

Suffix -vat indicating 'like' or 'resembling'

Compound type : bahuvrīhi (ākāśa+kāca+dala+vat)

• ākāśa – space, ether, sky
  noun (masculine)
  Prefix: ā
  Root: kāś (class 1)
• kāca – glass, crystal
  noun (masculine)
• dala – fragment, piece, leaf, petal
  noun (neuter)
• vat – like, as if, resembling
  indeclinable
  Taddhita suffix indicating comparison

Note: Describes the nature of the saṃsāra-maṇḍapa's covering.

संस्थान-आच्छादित-आकृतिः (saṁsthāna-ācchādita-ākṛtiḥ) - whose form is covered by a specific structure/arrangement

(adjective)

Nominative, masculine, singular of saṃsthāna-ācchādita-ākṛti

saṁsthāna-ācchādita-ākṛti - whose form is covered by a specific structure/arrangement

Compound type : bahuvrīhi (saṃsthāna+ācchādita+ākṛti)

• saṃsthāna – arrangement, structure, location, form
  noun (neuter)
  Derived from saṃ-sthā (to stand together, arrange)
  Prefix: sam
  Root: sthā (class 1)
• ācchādita – covered, veiled, concealed
  adjective (neuter)
  Past Passive Participle
  From root chād (to cover) with prefix ā
  Prefix: ā
  Root: chad (class 10)
• ākṛti – form, shape, appearance, figure
  noun (feminine)
  Prefix: ā
  Root: kṛ (class 8)

Note: Qualifies 'saṃsāra-maṇḍapaḥ'.