योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-57, verse-42

यथा स्वप्नवपुर्बोधान्न जाने क्वेव गच्छति ।
असत्यमेव तद्यस्मात्तथैवेहाधिभौतिकम् ॥ ४२ ॥

yathā svapnavapurbodhānna jāne kveva gacchati ,
asatyameva tadyasmāttathaivehādhibhautikam 42

42. yathā svapnavapuḥ bodhāt na jāne kva iva gacchati
asatyam eva tat yasmāt tathā eva iha ādhibhautikam

42. yathā bodhāt svapnavapuḥ kva iva gacchati na jāne,
yasmāt tat eva asatyam,
tathā eva iha ādhibhautikam

42. Just as one does not know where the dream body goes upon waking, because that (dream body) is indeed unreal, similarly, this material existence (ādhibhautikam) here is also unreal.

Words meanings summery:

• यथा (yathā) - just as (as, just as, like)

• स्वप्नवपुः (svapnavapuḥ) - the body experienced in a dream (dream body)

• बोधात् (bodhāt) - upon waking (from sleep) (from waking, upon waking, from knowledge)

• न (na) - not (not, no)

• जाने (jāne) - I know (in a negative sense, 'I do not know') (I know)

• क्व (kva) - where

• इव (iva) - indeed (emphasizing the question) (as if, like, indeed)

• गच्छति (gacchati) - it (the dream body) goes (it goes, he goes)

• असत्यम् (asatyam) - unreal (referring to the dream body) (unreal, untrue, false)

• एव (eva) - indeed, only (indeed, only, just)

• तत् (tat) - that (referring to the dream body) (that, it)

• यस्मात् (yasmāt) - because (because, from which, for which reason)

• तथा (tathā) - similarly (so, thus, similarly)

• एव (eva) - indeed, only (indeed, only, just)

• इह (iha) - here, in this (material) world (here, in this world)

• आधिभौतिकम् (ādhibhautikam) - the material world, physical existence (material, pertaining to elements/beings, physical)

Words meanings and morphology

यथा (yathā) - just as (as, just as, like)

(indeclinable)

स्वप्नवपुः (svapnavapuḥ) - the body experienced in a dream (dream body)

(noun)

Nominative, neuter, singular of svapnavapus

svapnavapus - dream body, illusory form

Compound type : tatpurusha (svapna+vapus)

• svapna – sleep, dream
  noun (masculine)
  Root: svap (class 2)
• vapus – body, form, figure
  noun (neuter)

बोधात् (bodhāt) - upon waking (from sleep) (from waking, upon waking, from knowledge)

(noun)

Ablative, masculine, singular of bodha

bodha - waking, knowledge, understanding, perception

Root: budh (class 1)

न (na) - not (not, no)

(indeclinable)

जाने (jāne) - I know (in a negative sense, 'I do not know') (I know)

(verb)

1st person , singular, active, present (laṭ) of jñā

present active

root jñā, 9th class, Ātmanepada, present tense, 1st person singular

Root: jñā (class 9)

Note: This form is Ātmanepada (middle voice) for the root jñā, but semantically can be active.

क्व (kva) - where

(indeclinable)

इव (iva) - indeed (emphasizing the question) (as if, like, indeed)

(indeclinable)

गच्छति (gacchati) - it (the dream body) goes (it goes, he goes)

(verb)

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

present active

root gam, 1st class, Parasmaipada, present tense, 3rd person singular

Root: gam (class 1)

असत्यम् (asatyam) - unreal (referring to the dream body) (unreal, untrue, false)

(adjective)

Nominative, neuter, singular of asatya

asatya - unreal, untrue, false, non-existent

compound of a (negation) + satya (true)

Compound type : nañ-tatpurusha (a+satya)

• a – not, non-, un-
  indeclinable
  negation prefix
• satya – truth, real, true
  adjective (neuter)
  derived from sat (being)
  Root: as (class 2)

Note: Can also be adverbially used as 'unreally'.

एव (eva) - indeed, only (indeed, only, just)

(indeclinable)

तत् (tat) - that (referring to the dream body) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

यस्मात् (yasmāt) - because (because, from which, for which reason)

(pronoun)

Ablative, neuter, singular of yad

yad - which, that (relative pronoun)

ablative singular of yad

Note: Often used as a conjunction 'because'.

तथा (tathā) - similarly (so, thus, similarly)

(indeclinable)

एव (eva) - indeed, only (indeed, only, just)

(indeclinable)

इह (iha) - here, in this (material) world (here, in this world)

(indeclinable)

आधिभौतिकम् (ādhibhautikam) - the material world, physical existence (material, pertaining to elements/beings, physical)

(adjective)

Nominative, neuter, singular of ādhibhautika

ādhibhautika - relating to creatures or natural elements; material, physical

derived from adhibhūta (pertaining to elemental being)

Note: Often refers to suffering or existence caused by other beings or material forces. Here, it signifies the material world itself, used as a substantive.