योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-84, verse-40

वस्तुतस्तु न तद्राम जगन्नैवं न चेतरत् ।
तवापि न जगत्सत्ता ब्रह्मेदं भाति केवलम् ॥ ४० ॥

vastutastu na tadrāma jagannaivaṃ na cetarat ,
tavāpi na jagatsattā brahmedaṃ bhāti kevalam 40

40. vastutaḥ tu na tat rāma jagat na evam na ca itarat
tava api na jagat-sattā brahma idam bhāti kevalam

40. rāma vastutaḥ tu tat jagat na evam na ca itarat
tava api jagat-sattā na idam brahma kevalam bhāti

40. But in reality, O Rama, that world does not exist; the cosmos is neither like this nor otherwise. For you, too, the world has no true existence (sattā); only this (supreme reality, brahman) shines forth.

Words meanings summery:

• वस्तुतः (vastutaḥ) - in reality (in reality, truly, essentially)

• तु (tu) - but (but, indeed, however)

• न (na) - not (not, no)

• तत् (tat) - that (world) (that, that (as opposed to this))

• राम (rāma) - O Rama (as an address) (Rama, pleasing)

• जगत् (jagat) - the world, cosmos (world, universe, moving)

• न (na) - not (not, no)

• एवम् (evam) - like this (thus, in this manner, so)

• न (na) - nor (not, no)

• च (ca) - nor (in combination with preceding 'na') (and, also)

• इतरत् (itarat) - otherwise (other, different)

• तव (tava) - for you (your, for you)

• अपि (api) - too (also, even, too)

• न (na) - no (not, no)

• जगत्-सत्ता (jagat-sattā) - true existence of the world (existence of the world, reality of the world)

• ब्रह्म (brahma) - the supreme reality (brahman) (Brahman, the Absolute Reality)

• इदम् (idam) - this (supreme reality) (this, this here)

• भाति (bhāti) - shines forth (shines, appears, seems)

• केवलम् (kevalam) - only (merely, only, solely, entire, pure)

Words meanings and morphology

वस्तुतः (vastutaḥ) - in reality (in reality, truly, essentially)

(indeclinable)

From vastu (reality, thing) + suffix -tas (indicating 'from' or 'in').

तु (tu) - but (but, indeed, however)

(indeclinable)

न (na) - not (not, no)

(indeclinable)

तत् (tat) - that (world) (that, that (as opposed to this))

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

राम (rāma) - O Rama (as an address) (Rama, pleasing)

(proper noun)

Vocative, masculine, singular of rāma

rāma - Rama (proper name); pleasing, charming

जगत् (jagat) - the world, cosmos (world, universe, moving)

(noun)

Nominative, neuter, singular of jagat

jagat - world, universe, that which moves, moving

present active participle

From root gam (to go, move).

Root: gam (class 1)

न (na) - not (not, no)

(indeclinable)

एवम् (evam) - like this (thus, in this manner, so)

(indeclinable)

न (na) - nor (not, no)

(indeclinable)

च (ca) - nor (in combination with preceding 'na') (and, also)

(indeclinable)

इतरत् (itarat) - otherwise (other, different)

(pronoun)

Nominative, neuter, singular of itara

itara - other, another, different

तव (tava) - for you (your, for you)

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Note: Also used in dative sense 'for you'.

अपि (api) - too (also, even, too)

(indeclinable)

न (na) - no (not, no)

(indeclinable)

जगत्-सत्ता (jagat-sattā) - true existence of the world (existence of the world, reality of the world)

(noun)

Nominative, feminine, singular of jagat-sattā

jagat-sattā - the existence or reality of the world/universe

Compound of jagat (world) and sattā (existence).

Compound type : tatpuruṣa (jagat+sattā)

• jagat – world, universe
  noun (neuter)
  present active participle
  From root gam (to go, move).
  Root: gam (class 1)
• sattā – existence, being, reality
  noun (feminine)
  From root as (to be).
  Root: as (class 2)

ब्रह्म (brahma) - the supreme reality (brahman) (Brahman, the Absolute Reality)

(noun)

Nominative, neuter, singular of brahman

brahman - Brahman, the Absolute, ultimate reality, universal spirit

Root: bṛh (class 1)

इदम् (idam) - this (supreme reality) (this, this here)

(pronoun)

Nominative, neuter, singular of idam

idam - this, this here

भाति (bhāti) - shines forth (shines, appears, seems)

(verb)

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

Root: bhā (class 2)

केवलम् (kevalam) - only (merely, only, solely, entire, pure)

(adjective)

Nominative, neuter, singular of kevala

kevala - sole, only, mere, entire, pure, absolute

Note: Adverbial usage here.