योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-10, verse-6

महाकल्पान्तसंपत्तौ यत्तत्सदवशिष्यते ।
तद्राम न यथा शून्यं तदिदं श्रृणु कथ्यते ॥ ६ ॥

mahākalpāntasaṃpattau yattatsadavaśiṣyate ,
tadrāma na yathā śūnyaṃ tadidaṃ śrṛṇu kathyate 6

6. mahākalpāntasaṃpattau yat tat sat avaśiṣyate
tat rāma na yathā śūnyam tat idam śṛṇu kathyate

6. rāma śṛṇu.
idam kathyate: mahākalpāntasaṃpattau yat tat sat avaśiṣyate,
tat śūnyam na yathā (pratibhāti).

6. O Rāma, listen as this is explained: That which truly remains at the end of a great cosmic cycle (mahākalpa) is not empty.

Words meanings summery:

• महाकल्पान्तसंपत्तौ (mahākalpāntasaṁpattau) - at the end of a great cosmic cycle (at the culmination of a great kalpa, at the end of a great cosmic period)

• यत् (yat) - that which (which, that which)

• तत् (tat) - that (which) (that, it)

• सत् (sat) - truly existing, reality (existence, reality, truth, real, good)

• अवशिष्यते (avaśiṣyate) - remains (remains, is left over)

• तत् (tat) - that (reality) (that, it)

• राम (rāma) - O Rāma (the interlocutor) (O Rāma)

• न (na) - not

• यथा (yathā) - as, in the way (that it might be considered empty) (as, like, in which way, how)

• शून्यम् (śūnyam) - empty (empty, void, vacant, null)

• तत् (tat) - that (point/explanation) (that, this)

• इदम् (idam) - this (explanation) (this)

• शृणु (śṛṇu) - listen (imperative) (listen, hear)

• कथ्यते (kathyate) - is being explained/told (is being told, is narrated, is explained)

Words meanings and morphology

महाकल्पान्तसंपत्तौ (mahākalpāntasaṁpattau) - at the end of a great cosmic cycle (at the culmination of a great kalpa, at the end of a great cosmic period)

(noun)

Locative, feminine, singular of mahākalpāntasaṃpatti

mahākalpāntasaṁpatti - the state of completion or achievement at the end of a great kalpa

Compound type : tatpuruṣa (mahākalpa+anta+saṃpatti)

• mahākalpa – a great cosmic cycle, the full duration of Brahma's day
  noun (masculine)
• anta – end, boundary, limit
  noun (masculine)
• saṃpatti – completion, success, achievement, culmination, wealth, fortune
  noun (feminine)
  Derived from `pad` (to go) with prefix `sam`.
  Prefix: sam
  Root: pad (class 4)

Note: Indicates time/circumstance.

यत् (yat) - that which (which, that which)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that

Relative pronoun.

Note: Relative pronoun, subject.

तत् (tat) - that (which) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it, he, she

Demonstrative pronoun.

Note: Correlative pronoun, subject.

सत् (sat) - truly existing, reality (existence, reality, truth, real, good)

(noun)

Nominative, neuter, singular of sat

sat - existing, real, true, good; reality, truth, being

present active participle

Derived from root `as` (to be).

Root: as (class 2)

Note: Used substantively.

अवशिष्यते (avaśiṣyate) - remains (remains, is left over)

(verb)

3rd person , singular, middle, present (laṭ) of avaśiṣ

present middle indicative

Derived from root `śiṣ` (to leave) with prefix `ava`. Third person singular, present tense, middle voice.

Prefix: ava

Root: śiṣ (class 7)

Note: Verb for `yat tat sat`.

तत् (tat) - that (reality) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it, he, she

Demonstrative pronoun.

Note: Subject of the clause `tat śūnyam na`.

राम (rāma) - O Rāma (the interlocutor) (O Rāma)

(proper noun)

Vocative, masculine, singular of rāma

rāma - Rāma (name of a mythological prince), pleasing, charming

न (na) - not

(indeclinable)

Negative particle.

यथा (yathā) - as, in the way (that it might be considered empty) (as, like, in which way, how)

(indeclinable)

Relative adverb.

Note: Modifies `śūnyam na`.

शून्यम् (śūnyam) - empty (empty, void, vacant, null)

(adjective)

Nominative, neuter, singular of śūnya

śūnya - empty, void, vacant, non-existent, null

तत् (tat) - that (point/explanation) (that, this)

(pronoun)

Nominative, neuter, singular of tad

tad - that, this, it

Demonstrative pronoun.

Note: Subject of `kathyate`.

इदम् (idam) - this (explanation) (this)

(pronoun)

Nominative, neuter, singular of idam

idam - this, this one

Demonstrative pronoun.

Note: Correlative to `tat`, predicate for `kathyate`.

शृणु (śṛṇu) - listen (imperative) (listen, hear)

(verb)

2nd person , singular, active, imperative (loṭ) of śru

imperative active

Second person singular, imperative mood, active voice.

Root: śru (class 5)

कथ्यते (kathyate) - is being explained/told (is being told, is narrated, is explained)

(verb)

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

present passive indicative

Third person singular, present tense, passive voice. Derived from root `kath`.

Root: kath (class 10)

Note: Subject is `tat idam` (this, that matter).