योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-26, verse-19

अथोदपतदुत्तालैर्लोकपालेभमण्डलैः ।
कल्पाभ्रस्फूर्जिताकारो दारुणः समरारवः ॥ १९ ॥

athodapataduttālairlokapālebhamaṇḍalaiḥ ,
kalpābhrasphūrjitākāro dāruṇaḥ samarāravaḥ 19

19. atha udapatat uttālaiḥ lokapālebhamandālaiḥ
kalpābhrasphūrjitākāraḥ dāruṇaḥ samarāravaḥ

19. atha dāruṇaḥ samarāravaḥ kalpābhrasphūrjitākāraḥ
uttālaiḥ lokapālebhamandālaiḥ udapatat

19. Then, from the mighty formations of the Lokapāla elephants, a dreadful battle roar arose, resembling the thunder of doomsday clouds.

Words meanings summery:

• अथ (atha) - then, thereupon, now

• उदपतत् (udapatat) - arose, ascended, flew up

• उत्तालैः (uttālaiḥ) - mighty, enormous, vast

• लोकपालेभमन्दालैः (lokapālebhamandālaiḥ) - by the formations of the elephants of the world-guardians

• कल्पाभ्रस्फूर्जिताकारः (kalpābhrasphūrjitākāraḥ) - whose appearance was like the thunder of doomsday clouds

• दारुणः (dāruṇaḥ) - dreadful, terrible

• समरारवः (samarāravaḥ) - battle roar/noise

Words meanings and morphology

अथ (atha) - then, thereupon, now

(indeclinable)

उदपतत् (udapatat) - arose, ascended, flew up

(verb)

3rd person , singular, active, imperfect (laṅ) of pat

imperfect tense

3rd person singular imperfect active, with prefix 'ud-'

Prefix: ud

Root: pat (class 1)

उत्तालैः (uttālaiḥ) - mighty, enormous, vast

(adjective)

Instrumental, masculine, plural of uttāla

uttāla - mighty, great, enormous, high, lofty

Note: Qualifies 'lokapālebhamandālaiḥ'.

लोकपालेभमन्दालैः (lokapālebhamandālaiḥ) - by the formations of the elephants of the world-guardians

(noun)

Instrumental, masculine, plural of lokapālebhamandala

lokapālebhamandala - formation/host of elephants belonging to the Lokapālas (guardians of the world's directions)

Tatpurusha compound: Lokapāla (world-guardian) + Ibha (elephant) + Maṇḍala (formation/troop).

Compound type : tatpurusha (lokapāla+ibha+maṇḍala)

• lokapāla – guardian of the world or a direction
  noun (masculine)
• ibha – elephant
  noun (masculine)
• maṇḍala – circle, disc, orb, host, formation, troop
  noun (neuter)

Note: Indicates the source or cause of the battle roar.

कल्पाभ्रस्फूर्जिताकारः (kalpābhrasphūrjitākāraḥ) - whose appearance was like the thunder of doomsday clouds

(adjective)

Nominative, masculine, singular of kalpābhrasphūrjitākāra

kalpābhrasphūrjitākāra - having the form/appearance (ākāra) of thunder (sphūrjita) from the clouds (abhra) of the doomsday (kalpa)

Bahuvrīhi compound

Compound type : bahuvrihi (kalpa+abhra+sphūrjita+ākāra)

• kalpa – an eon, a cosmic age, the end of a world cycle (doomsday)
  noun (masculine)
• abhra – cloud, sky
  noun (neuter)
• sphūrjita – thundering, roaring, rumbling
  adjective (neuter)
  Past Passive Participle
  From root 'sphūrj' (to thunder, rumble)
  Root: sphūrj (class 1)
• ākāra – form, shape, appearance
  noun (masculine)

Note: Qualifies 'samarāravaḥ'.

दारुणः (dāruṇaḥ) - dreadful, terrible

(adjective)

Nominative, masculine, singular of dāruṇa

dāruṇa - dreadful, terrible, harsh, cruel, severe

Note: Qualifies 'samarāravaḥ'.

समरारवः (samarāravaḥ) - battle roar/noise

(noun)

Nominative, masculine, singular of samarārava

samarārava - noise/roar of battle

Tatpurusha compound

Compound type : tatpurusha (samara+ārava)

• samara – battle, war, conflict
  noun (masculine)
• ārava – cry, roar, noise, sound
  noun (masculine)

Note: Subject of 'udapatat'.