योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-92, verse-5

अथ नास्तीह वा देहः केवलं चेतसैव सः ।
मुधानुभूयते स्वप्नमृगतृष्णाद्विचन्द्रवत् ॥ ५ ॥

atha nāstīha vā dehaḥ kevalaṃ cetasaiva saḥ ,
mudhānubhūyate svapnamṛgatṛṣṇādvicandravat 5

5. atha na asti iha vā dehaḥ kevalam cetasā eva
saḥ mudhā anubhūyate svapnamṛgatṛṣṇādvicandravat

5. atha vā iha dehaḥ na asti; kevalam saḥ cetasā
eva mudhā svapnamṛgatṛṣṇādvicandravat anubhūyate

5. Alternatively, perhaps there is no body here (in reality); rather, it is merely experienced in vain by the consciousness (cetas), just like a dream, a mirage, or a double moon.

Words meanings summery:

• अथ (atha) - now, then, alternatively

• न (na) - not, no

• अस्ति (asti) - is, exists

• इह (iha) - here, in this world/context

• वा (vā) - or, alternatively

• देहः (dehaḥ) - body

• केवलम् (kevalam) - merely, only, solely

• चेतसा (cetasā) - by the consciousness, by the mind

• एव (eva) - only, indeed, certainly, even

• सः (saḥ) - referring to the body (dehaḥ) (he, that)

• मुधा (mudhā) - in vain, uselessly, falsely

• अनुभूयते (anubhūyate) - is experienced, is perceived

• स्वप्नमृगतृष्णाद्विचन्द्रवत् (svapnamṛgatṛṣṇādvicandravat) - like a dream, a mirage, or a double moon

Words meanings and morphology

अथ (atha) - now, then, alternatively

(indeclinable)

Note: Indicates a new proposition or alternative.

न (na) - not, no

(indeclinable)

Note: Negation.

अस्ति (asti) - is, exists

(verb)

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

Root: as (class 2)

इह (iha) - here, in this world/context

(indeclinable)

वा (vā) - or, alternatively

(indeclinable)

Note: Conjunction.

देहः (dehaḥ) - body

(noun)

Nominative, masculine, singular of deha

deha - body

Root: dih (class 4)

Note: Subject of 'asti'.

केवलम् (kevalam) - merely, only, solely

(indeclinable)

Note: Used adverbially.

चेतसा (cetasā) - by the consciousness, by the mind

(noun)

Instrumental, neuter, singular of cetas

cetas - consciousness, mind, intellect

Root: cit (class 1)

Note: Agent in passive construction.

एव (eva) - only, indeed, certainly, even

(indeclinable)

सः (saḥ) - referring to the body (dehaḥ) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

मुधा (mudhā) - in vain, uselessly, falsely

(indeclinable)

Note: Adverb.

अनुभूयते (anubhūyate) - is experienced, is perceived

(verb)

3rd person , singular, passive, present (laṭ) of anubhū

prefixed anu- + root bhū (to be, become)

Prefix: anu

Root: bhū (class 1)

Note: Root bhū in passive voice.

स्वप्नमृगतृष्णाद्विचन्द्रवत् (svapnamṛgatṛṣṇādvicandravat) - like a dream, a mirage, or a double moon

(indeclinable)

Compound with the suffix '-vat' indicating 'like'

Compound type : bahuvrihi-like, with -vat suffix (svapna+mṛgatṛṣṇā+dvicandra+vat)

• svapna – dream, sleep
  noun (masculine)
  Root: svap (class 2)
• mṛgatṛṣṇā – mirage (literally: deer's thirst)
  noun (feminine)
• dvicandra – double moon (optical illusion)
  noun (masculine)
• vat – like, similar to
  indeclinable
  suffix meaning 'like'

Note: Adverbial suffix.