योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-91, verse-26

कश्चिच्चित्तविलासोऽयं ब्रह्माहमिह संस्थितः ।
स्वभाव एव देहादि विद्धि शून्यतरात्मखात् ॥ २६ ॥

kaściccittavilāso'yaṃ brahmāhamiha saṃsthitaḥ ,
svabhāva eva dehādi viddhi śūnyatarātmakhāt 26

26. kaścit citta-vilāsaḥ ayam brahmā aham iha saṃsthitaḥ
svabhāvaḥ eva deha-ādi viddhi śūnyatara-ātma-khāt

26. ayam kaścit citta-vilāsaḥ.
aham brahmā iha saṃsthitaḥ.
deha-ādi svabhāvaḥ eva iti,
śūnyatara-ātma-khāt viddhi.

26. This (existence) is merely a sport or play of the mind (citta). I, Brahmā, am established here. Know that the body and all else (deha-ādi) are simply their intrinsic nature (svabhāva), originating from the ether of the utterly empty Self (ātman).

Words meanings summery:

• कश्चित् (kaścit) - someone, something, some

• चित्त-विलासः (citta-vilāsaḥ) - sport/play/activity of the mind

• अयम् (ayam) - this (masculine)

• ब्रह्मा (brahmā) - Brahmā (the creator deity)

• अहम् (aham) - I

• इह (iha) - here, in this world

• संस्थितः (saṁsthitaḥ) - well-established, perfectly situated

• स्वभावः (svabhāvaḥ) - own nature, inherent disposition

• एव (eva) - indeed, only, just

• देह-आदि (deha-ādi) - body and so on, beginning with the body

• विद्धि (viddhi) - know (imperative)

• शून्यतर-आत्म-खात् (śūnyatara-ātma-khāt) - from the vast, empty space of the ultimate Self, which is even emptier than ordinary space (from the ether of the more empty Self / utterly empty Self)

Words meanings and morphology

कश्चित् (kaścit) - someone, something, some

(pronoun)

Nominative, masculine, singular of kaścid

kaścid - someone, something, some (masculine/neuter nominative singular)

चित्त-विलासः (citta-vilāsaḥ) - sport/play/activity of the mind

(noun)

Nominative, masculine, singular of citta-vilāsa

citta-vilāsa - play of the mind, sport of consciousness, mental amusement

Compound type : tatpuruṣa (citta+vilāsa)

• citta – mind, consciousness, thought
  noun (neuter)
  Root: cit (class 1)
• vilāsa – play, sport, amusement, grace, charm
  noun (masculine)
  from root las with prefix vi
  Prefix: vi
  Root: las (class 1)

अयम् (ayam) - this (masculine)

(pronoun)

Nominative, masculine, singular of idam

idam - this, this here

ब्रह्मा (brahmā) - Brahmā (the creator deity)

(proper noun)

Nominative, masculine, singular of brahman

brahman - the ultimate reality (brahman), the creator deity (Brahmā)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, me

First person pronoun

इह (iha) - here, in this world

(indeclinable)

संस्थितः (saṁsthitaḥ) - well-established, perfectly situated

(adjective)

Nominative, masculine, singular of saṃsthita

saṁsthita - well-placed, established, existing, composed

Past Passive Participle

from root sthā with prefix sam

Prefix: sam

Root: sthā (class 1)

स्वभावः (svabhāvaḥ) - own nature, inherent disposition

(noun)

Nominative, masculine, singular of svabhāva

svabhāva - own being, inherent nature, intrinsic disposition

Compound type : tatpuruṣa (sva+bhāva)

• sva – own, one's own
  pronoun (masculine)
• bhāva – being, existence, state, nature, feeling
  noun (masculine)
  from root bhū (to be)
  Root: bhū (class 1)

एव (eva) - indeed, only, just

(indeclinable)

देह-आदि (deha-ādi) - body and so on, beginning with the body

(noun)

Nominative, masculine, singular of deha-ādi

deha-ādi - body etc., beginning with the body

Compound type : dvandva (implied) or tatpuruṣa (deha+ādi)

• deha – body
  noun (masculine)
• ādi – beginning, first, and so on
  noun (masculine)

विद्धि (viddhi) - know (imperative)

(verb)

2nd person , singular, active, imperative (lot) of vid

Imperative Active

Root: vid (class 2)

शून्यतर-आत्म-खात् (śūnyatara-ātma-khāt) - from the vast, empty space of the ultimate Self, which is even emptier than ordinary space (from the ether of the more empty Self / utterly empty Self)

(noun)

Ablative, masculine, singular of śūnyatara-ātma-kha

śūnyatara-ātma-kha - the ether of the more empty Self

Compound type : tatpuruṣa (śūnyatara+ātman+kha)

• śūnyatara – emptier, more void (comparative of śūnya)
  adjective (masculine)
  Comparative adjective
  Derived from śūnya + -tara
• ātman – self, soul, spirit, essence
  noun (masculine)
• kha – space, ether, sky, void
  noun (neuter)