महाभारतः mahābhārataḥ - book-6, chapter-42, verse-11

तं श्रुत्वा निनदं तस्य सैन्यास्तव वितत्रसुः ।
जीमूतस्येव नदतः शक्राशनिसमस्वनम् ॥११॥

11. taṁ śrutvā ninadaṁ tasya sainyāstava vitatrasuḥ ,
jīmūtasyeva nadataḥ śakrāśanisamasvanam.

11. tam śrutvā ninadam tasya sainyāḥ tava vitatrasuḥ
jīmūtasya iva nadataḥ śakrāśanisamasvanam

11. tava sainyāḥ tasya nadataḥ śakrāśanisamasvanam
jīmūtasya iva tam ninadam śrutvā vitatrasuḥ

11. Your armies, having heard his roar—a sound like the thundering of a cloud, similar to Indra's (Śakra's) thunderbolt—were utterly terrified.

Words meanings summery:

• तम् (tam) - that sound (that, him, it)

• श्रुत्वा (śrutvā) - having heard

• निनदम् (ninadam) - roar, sound, cry

• तस्य (tasya) - his (referring to the hero from the previous context) (his, its, of that)

• सैन्याः (sainyāḥ) - armies, soldiers, troops

• तव (tava) - your

• वितत्रसुः (vitatrasuḥ) - they were terrified, they fled in fear

• जीमूतस्य (jīmūtasya) - of a cloud

• इव (iva) - like, as if

• नदतः (nadataḥ) - of the thundering (cloud) (roaring, thundering)

• शक्राशनिसमस्वनम् (śakrāśanisamasvanam) - having a sound like Indra's thunderbolt

Words meanings and morphology

तम् (tam) - that sound (that, him, it)

(pronoun)

Accusative, masculine, singular of tad

tad - that, it, he, she

श्रुत्वा (śrutvā) - having heard

(indeclinable)

absolutive/gerund

Derived from root śru (to hear) with suffix -tvā

Root: śru (class 5)

निनदम् (ninadam) - roar, sound, cry

(noun)

Accusative, masculine, singular of ninada

ninada - roar, sound, cry, hum

from ni + nad (to roar)

Prefix: ni

Root: nad (class 1)

तस्य (tasya) - his (referring to the hero from the previous context) (his, its, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, it, he, she

सैन्याः (sainyāḥ) - armies, soldiers, troops

(noun)

Nominative, masculine, plural of sainya

sainya - army, host, soldier

तव (tava) - your

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

वितत्रसुः (vitatrasuḥ) - they were terrified, they fled in fear

(verb)

3rd person , plural, active, past perfect (lit) of vi-tras

perfect active

Perfect tense, 3rd person plural, active voice, from root tras (to tremble) with upasarga vi

Prefix: vi

Root: tras (class 1)

जीमूतस्य (jīmūtasya) - of a cloud

(noun)

Genitive, masculine, singular of jīmūta

jīmūta - cloud

इव (iva) - like, as if

(indeclinable)

नदतः (nadataḥ) - of the thundering (cloud) (roaring, thundering)

(adjective)

Genitive, masculine, singular of nadat

nadat - roaring, thundering

present active participle

Present active participle of root nad (to roar), masculine, genitive singular

Root: nad (class 1)

शक्राशनिसमस्वनम् (śakrāśanisamasvanam) - having a sound like Indra's thunderbolt

(adjective)

Accusative, masculine, singular of śakrāśanisamasvana

śakrāśanisamasvana - having a sound like Indra's thunderbolt

Compound type : bahuvrihi (śakra+aśani+sama+svana)

• śakra – Indra (king of gods)
  proper noun (masculine)
• aśani – thunderbolt
  noun (masculine)
• sama – like, equal, similar
  adjective
• svana – sound, noise, roar
  noun (masculine)
  from root svan (to sound)
  Root: svan (class 1)

Note: The compound functions as an adjective modifying 'ninadam'.