योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-35, verse-20

सोऽभूत्समरकल्पान्तो जगत्कवलनाकुलः ।
पर्यस्तसध्वजच्छत्रपताकारथपत्तनः ॥ २० ॥

so'bhūtsamarakalpānto jagatkavalanākulaḥ ,
paryastasadhvajacchatrapatākārathapattanaḥ 20

20. saḥ abhūt samarakalpāntaḥ jagatkavalanākulaḥ
paryastasadʰvajacchatrapatākārathapattanaḥ

20. saḥ samarakalpāntaḥ jagatkavalanākulaḥ
paryastasadʰvajacchatrapatākārathapattanaḥ abhūt

20. That battle became like the end of a cosmic cycle, agitated by its urge to devour the world, where cities with their banners, umbrellas, flags, and chariots were overthrown.

Words meanings summery:

• सः (saḥ) - that, he

• अभूत् (abhūt) - became, was

• समरकल्पान्तः (samarakalpāntaḥ) - a battle like the end of a cosmic cycle

• जगत्कवलनाकुलः (jagatkavalanākulaḥ) - agitated by devouring the world, eager to devour the world

• पर्यस्तसद्ʰवजच्छत्रपताकारथपत्तनः (paryastasadʰvajacchatrapatākārathapattanaḥ) - whose cities (with their) banners, umbrellas, flags, and chariots were overthrown

Words meanings and morphology

सः (saḥ) - that, he

(pronoun)

Nominative, masculine, singular of tad

tad - that

अभूत् (abhūt) - became, was

(verb)

3rd person , singular, active, aorist (luṅ) of bhū

Root: bhū (class 1)

समरकल्पान्तः (samarakalpāntaḥ) - a battle like the end of a cosmic cycle

(noun)

Nominative, masculine, singular of samarakalpānta

samarakalpānta - battle ending in cosmic dissolution, cosmic dissolution of battle

Compound type : Tatpuruṣa (samara+kalpānta)

• samara – battle, war
  noun (masculine)
• kalpānta – end of a cosmic cycle, universal dissolution
  noun (masculine)

जगत्कवलनाकुलः (jagatkavalanākulaḥ) - agitated by devouring the world, eager to devour the world

(adjective)

Nominative, masculine, singular of jagatkavalanākula

jagatkavalanākula - agitated by devouring the world

Compound type : Tatpuruṣa (jagat+kavalana+ākula)

• jagat – world, universe
  noun (neuter)
• kavalana – devouring, swallowing
  noun (neuter)
  verbal noun
  Root: kal
• ākula – agitated, disturbed, confounded, eager
  adjective (masculine)

पर्यस्तसद्ʰवजच्छत्रपताकारथपत्तनः (paryastasadʰvajacchatrapatākārathapattanaḥ) - whose cities (with their) banners, umbrellas, flags, and chariots were overthrown

(adjective)

Nominative, masculine, singular of paryastasadʰvajacchatrapatākārathapattana

paryastasadʰvajacchatrapatākārathapattana - one that has cities with banners, umbrellas, flags, and chariots overthrown

Compound type : Bahuvrīhi (paryasta+sa-dhvaja+cchatra+patākā+ratha+pattana)

• paryasta – overthrown, scattered, ruined
  adjective
  Past Passive Participle
  Prefix: pari
  Root: as (class 2)
• sa-dhvaja – with banners
  adjective (masculine)
• cchatra – umbrella, parasol
  noun (neuter)
• patākā – flag, banner
  noun (feminine)
• ratha – chariot
  noun (masculine)
• pattana – city, town
  noun (neuter)