योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-94, verse-78

काश्चिद्वहुनरप्राप्तस्वप्ननिर्माणलोकवत् ।
नान्योन्यमपि पश्यन्ति नानासंस्थानसंस्थिताः ॥ ७८ ॥

kāścidvahunaraprāptasvapnanirmāṇalokavat ,
nānyonyamapi paśyanti nānāsaṃsthānasaṃsthitāḥ 78

78. kāścit vahunaraprāptasvapnanirmāṇalokavat na
anyonyam api paśyanti nānāsaṃsthānasaṃsthitāḥ

78. kāścit nānāsaṃsthānasaṃsthitāḥ
vahunaraprāptasvapnanirmāṇalokavat anyonyam api na paśyanti

78. Some (beings), though situated in various configurations, do not even perceive each other, just like (the inhabitants of) a dream-world that has been created and accessed by many individuals.

Words meanings summery:

• काश्चित् (kāścit) - Refers to 'some of these beings' (implied from previous verse). (some, certain ones)

• वहुनरप्राप्तस्वप्ननिर्माणलोकवत् (vahunaraprāptasvapnanirmāṇalokavat) - like a world created in a dream, attained by many people

• न (na) - not, no

• अन्योन्यम् (anyonyam) - each other, mutually

• अपि (api) - emphasizes the lack of mutual perception (even, also, too, moreover)

• पश्यन्ति (paśyanti) - they see, they perceive

• नानासंस्थानसंस्थिताः (nānāsaṁsthānasaṁsthitāḥ) - situated in various positions/arrangements, abiding in diverse forms

Words meanings and morphology

काश्चित् (kāścit) - Refers to 'some of these beings' (implied from previous verse). (some, certain ones)

(pronoun)

Nominative, feminine, plural of ka

ka - who, which, what, some, certain

Interrogative pronoun declined as indefinite with '-cit' suffix.

Note: The suffix -cit makes the pronoun indefinite.

वहुनरप्राप्तस्वप्ननिर्माणलोकवत् (vahunaraprāptasvapnanirmāṇalokavat) - like a world created in a dream, attained by many people

(indeclinable)

Compound type : Tatpuruṣa (vahu+nara+prāpta+svapna+nirmāṇa+loka)

• vahu – many, much
  adjective (masculine)
• nara – man, person, human being
  noun (masculine)
• prāpta – attained, reached, obtained
  adjective (neuter)
  Past Passive Participle
  From root āp (to obtain) with prefix pra and kta suffix.
  Prefix: pra
  Root: āp (class 5)
• svapna – dream, sleep
  noun (masculine)
• nirmāṇa – creation, formation, construction
  noun (neuter)
  From root mā (to measure, create) with prefix nis.
  Prefix: nis
  Root: mā (class 3)
• loka – world, realm, sphere of existence
  noun (masculine)

Note: The suffix -vat transforms the compound into an adverbial comparison 'like a ...'.

न (na) - not, no

(indeclinable)

अन्योन्यम् (anyonyam) - each other, mutually

(pronoun)

Accusative, neuter, singular of anyonya

anyonya - each other, mutual, reciprocal

Note: Functions adverbially here.

अपि (api) - emphasizes the lack of mutual perception (even, also, too, moreover)

(indeclinable)

पश्यन्ति (paśyanti) - they see, they perceive

(verb)

3rd person , plural, active, present (laṭ) of dṛś

Present tense form of root dṛś (class 1, P), stem changes to paśya.

Root: dṛś (class 1)

नानासंस्थानसंस्थिताः (nānāsaṁsthānasaṁsthitāḥ) - situated in various positions/arrangements, abiding in diverse forms

(adjective)

Nominative, feminine, plural of nānāsaṃsthānasaṃsthita

nānāsaṁsthānasaṁsthita - situated in various arrangements/forms

Compound type : Tatpuruṣa (nānā+saṃsthāna+saṃsthita)

• nānā – various, diverse, manifold
  indeclinable
• saṃsthāna – arrangement, configuration, form, position, figure
  noun (neuter)
  From root sthā (to stand) with prefix sam.
  Prefix: sam
  Root: sthā (class 1)
• saṃsthita – situated, placed, standing, abiding, arranged
  adjective (neuter)
  Past Passive Participle
  From root sthā (to stand) with prefix sam and kta suffix.
  Prefix: sam
  Root: sthā (class 1)

Note: Agrees with the implied subject 'kāścit' (some beings).