योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-79, verse-20

अवयवविभागात्मन्यवश्यंभाविनि क्षये ।
न कदाचिदनित्थं तज्जगदित्यप्यसंस्थितम् ॥ २० ॥

avayavavibhāgātmanyavaśyaṃbhāvini kṣaye ,
na kadācidanitthaṃ tajjagadityapyasaṃsthitam 20

20. avayavavibhāgātmani avaśyaṃbhāvini kṣaye na
kadācit anitthaṃ tat jagat iti api asaṃsthitam

20. tat jagat avayavavibhāgātmani avaśyaṃbhāvini
kṣaye na kadācit anitthaṃ api iti asaṃsthitam

20. Given that the very nature (ātman) of the world (jagat) involves the separation of its constituent parts, which inevitably leads to dissolution, it can never be otherwise. Therefore, it is not eternally existent.

Words meanings summery:

• अवयवविभागात्मनि (avayavavibhāgātmani) - in its intrinsic nature (ātman) which involves the separation of its constituent parts (in the self/nature of the separation of parts, in the essential nature of dismembered components)

• अवश्यंभाविनि (avaśyaṁbhāvini) - in the inevitably occurring (destruction) (in the necessarily occurring, in the inevitable)

• क्षये (kṣaye) - in dissolution (in destruction, in dissolution, in perishing)

• न (na) - not (not, no)

• कदाचित् (kadācit) - ever (in combination with na, meaning "never") (ever, at any time, sometimes)

• अनित्थं (anitthaṁ) - not changing, not variable (as in: it is never *not* changing, meaning it is *always* changing) (not thus, not in this manner, not constant)

• तत् (tat) - that (world) (that, it)

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

• इति (iti) - therefore, thus (thus, so, in this way)

• अपि (api) - therefore (functions to reinforce the conclusion) (also, even, too)

• असंस्थितम् (asaṁsthitam) - not eternally existent, not permanently established (not established, not fixed, not permanent)

Words meanings and morphology

अवयवविभागात्मनि (avayavavibhāgātmani) - in its intrinsic nature (ātman) which involves the separation of its constituent parts (in the self/nature of the separation of parts, in the essential nature of dismembered components)

(noun)

Locative, masculine, singular of avayavavibhāgātman

avayavavibhāgātman - the nature of the separation of parts

Compound type : tatpurusha (avayavavibhāga+ātman)

• avayavavibhāga – separation of parts, disintegration of components
  noun (masculine)
  Compound of avayava (limb, part) and vibhāga (division, separation).
• ātman – self, soul, spirit, nature
  noun (masculine)

अवश्यंभाविनि (avaśyaṁbhāvini) - in the inevitably occurring (destruction) (in the necessarily occurring, in the inevitable)

(adjective)

Locative, masculine, singular of avaśyaṃbhāvin

avaśyaṁbhāvin - inevitable, necessarily occurring

From avaśyam (necessarily) + bhāvin (being, becoming).

Root: bhū (class 1)

Note: Agrees with kṣaye.

क्षये (kṣaye) - in dissolution (in destruction, in dissolution, in perishing)

(noun)

Locative, masculine, singular of kṣaya

kṣaya - destruction, dissolution, decay, perishing

From root kṣi (to destroy, to waste away).

Root: kṣi (class 1)

न (na) - not (not, no)

(indeclinable)

कदाचित् (kadācit) - ever (in combination with na, meaning "never") (ever, at any time, sometimes)

(indeclinable)

From kadā (when) + cit (an indefinite particle).

अनित्थं (anitthaṁ) - not changing, not variable (as in: it is never *not* changing, meaning it is *always* changing) (not thus, not in this manner, not constant)

(indeclinable)

Negation of ittha (thus, so).

Compound type : nañ-tatpuruṣa (a+ittha)

• a – not, un-
  indeclinable
  Negative prefix.
• ittha – thus, in this manner, like this
  indeclinable
  From idam (this).

Note: Accusative singular neuter form, used adverbially.

तत् (tat) - that (world) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, this, it

Note: Refers to jagat.

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

(noun)

Nominative, neuter, singular of jagat

jagat - world, universe, what moves, living beings

present active participle

From root gam (to go, to move).

Root: gam (class 1)

Note: Subject of the implied verb "is".

इति (iti) - therefore, thus (thus, so, in this way)

(indeclinable)

अपि (api) - therefore (functions to reinforce the conclusion) (also, even, too)

(indeclinable)

असंस्थितम् (asaṁsthitam) - not eternally existent, not permanently established (not established, not fixed, not permanent)

(adjective)

Nominative, neuter, singular of asaṃsthita

asaṁsthita - not established, not fixed, not permanent, unstable

past passive participle

Negation of saṃsthita (established, fixed) from sam-sthā (to stand together, to be established).

Compound type : nañ-tatpuruṣa (a+saṃsthita)

• a – not, un-
  indeclinable
  Negative prefix.
• saṃsthita – established, fixed, steady, existing
  adjective (neuter)
  past passive participle
  From sam + root sthā.
  Prefix: sam
  Root: sthā (class 1)

Note: Predicate adjective for jagat.