योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-34, verse-23

बभूव दारुणं युद्धं शौरिशम्बरयोस्ततः ।
अकाल इव कल्पान्ते समुड्डीनकुलाचलम् ॥ २३ ॥

babhūva dāruṇaṃ yuddhaṃ śauriśambarayostataḥ ,
akāla iva kalpānte samuḍḍīnakulācalam 23

23. babhūva dāruṇam yuddham śauri-śambarayoḥ
tataḥ akāle iva kalpa-ante samuḍḍīna-kulācalam

23. tataḥ śauri-śambarayoḥ dāruṇam yuddham babhūva
akāle kalpa-ante iva samuḍḍīna-kulācalam

23. Then, a terrible battle took place between Śauri (Pradyumna) and Śambara, like the end of a cosmic cycle (kalpa) occurring at an untimely time, with even the principal mountains (kulācala) seeming to fly up.

Words meanings summery:

• बभूव (babhūva) - there was, happened, became

• दारुणम् (dāruṇam) - terrible, dreadful, fierce

• युद्धम् (yuddham) - battle, war, fight

• शौरि-शम्बरयोः (śauri-śambarayoḥ) - between Śauri and Śambara

• ततः (tataḥ) - then, therefrom, thereafter

• अकाले (akāle) - at an untimely time, out of season

• इव (iva) - like, as, as if

• कल्प-अन्ते (kalpa-ante) - at the end of a cosmic cycle

• समुड्डीन-कुलाचलम् (samuḍḍīna-kulācalam) - with the principal mountains flying up

Words meanings and morphology

बभूव (babhūva) - there was, happened, became

(verb)

3rd person , singular, active, perfect (lit) of bhū

Perfect (lit)

Root bhū, 3rd person singular perfect active

Root: bhū (class 1)

दारुणम् (dāruṇam) - terrible, dreadful, fierce

(adjective)

Nominative, neuter, singular of dāruṇa

dāruṇa - terrible, dreadful, fierce, cruel

युद्धम् (yuddham) - battle, war, fight

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, war, fight

Past Passive Participle (used as noun)

Root yudh (to fight) + kta suffix

Root: yudh (class 4)

शौरि-शम्बरयोः (śauri-śambarayoḥ) - between Śauri and Śambara

(proper noun)

Genitive, masculine, dual of śauri-śambara

śauri-śambara - Śauri and Śambara

Compound type : dvandva (śauri+śambara)

• śauri – son of Śūra (Kṛṣṇa or Pradyumna)
  proper noun (masculine)
• śambara – name of a demon
  proper noun (masculine)

ततः (tataḥ) - then, therefrom, thereafter

(indeclinable)

अकाले (akāle) - at an untimely time, out of season

(noun)

Locative, masculine, singular of akāla

akāla - untimely time, out of season

Compound type : nañ-tatpuruṣa (a+kāla)

• a – not, non-
  indeclinable
• kāla – time, season, period
  noun (masculine)

इव (iva) - like, as, as if

(indeclinable)

कल्प-अन्ते (kalpa-ante) - at the end of a cosmic cycle

(noun)

Locative, masculine, singular of kalpa-anta

kalpa-anta - end of a kalpa (cosmic cycle)

Compound type : tatpuruṣa (kalpa+anta)

• kalpa – a cosmic cycle, aeon; rule, manner
  noun (masculine)
• anta – end, boundary, limit
  noun (masculine)

Note: Refers to the end of a cosmic cycle, characterized by destruction.

समुड्डीन-कुलाचलम् (samuḍḍīna-kulācalam) - with the principal mountains flying up

(adjective)

Nominative, neuter, singular of samuḍḍīna-kulācala

samuḍḍīna-kulācala - with the principal mountains flying up

Compound type : bahuvrīhi (samuḍḍīna+kulācala)

• samuḍḍīna – flown up, having flown away
  adjective (masculine)
  Past Passive Participle
  Root ḍī (to fly) + sam-ut (prefixes) + kta suffix
  Prefixes: sam+ut
  Root: ḍī (class 4)
• kulācala – principal mountain, family mountain
  noun (masculine)

Note: Modifies `yuddham`.