महाभारतः mahābhārataḥ - book-7, chapter-73, verse-16

तयोर्ज्यातलनिर्घोषो व्यश्रूयत सुदारुणः ।
अजस्रं शैलशृङ्गाणां वज्रेणाहन्यतामिव ॥१६॥

16. tayorjyātalanirghoṣo vyaśrūyata sudāruṇaḥ ,
ajasraṁ śailaśṛṅgāṇāṁ vajreṇāhanyatāmiva.

16. tayoḥ jyātal anirghoṣaḥ vyaśrūyata sudāruṇaḥ
ajasram śailaśṛṅgāṇām vajreṇa āhanyatām iva

16. tayoḥ jyātal anirghoṣaḥ sudāruṇaḥ ajasram
vajreṇa śailaśṛṅgāṇām āhanyatām iva vyaśrūyata

16. A tremendously dreadful sound of the two's bowstrings and bow-guards was heard, as if mountain peaks were being continuously struck by a thunderbolt.

Words meanings summery:

• तयोः (tayoḥ) - referring to the two principal combatants (of those two, their)

• ज्यातल् अनिर्घोषः (jyātal anirghoṣaḥ) - sound of bowstrings and palms/bow-guards

• व्यश्रूयत (vyaśrūyata) - was heard, resounded

• सुदारुणः (sudāruṇaḥ) - very dreadful, extremely terrible

• अजस्रम् (ajasram) - incessantly, continuously, constantly

• शैलशृङ्गाणाम् (śailaśṛṅgāṇām) - of mountain peaks

• वज्रेण (vajreṇa) - by the thunderbolt (of Indra)

• आहन्यताम् (āhanyatām) - of their being struck, as they were being struck

• इव (iva) - like, as

Words meanings and morphology

तयोः (tayoḥ) - referring to the two principal combatants (of those two, their)

(pronoun)

Genitive, dual of tad

tad - that, he, she, it

Note: Refers to two individuals, likely warriors, in the context of battle.

ज्यातल् अनिर्घोषः (jyātal anirghoṣaḥ) - sound of bowstrings and palms/bow-guards

(noun)

Nominative, masculine, singular of jyātal anirghoṣa

jyātal anirghoṣa - sound of bowstring and bow-guard or palm-slap

Tatpuruṣa compound: jyātala (bowstring-and-palm/bow-guard) + nirghoṣa (sound)

Compound type : ṣaṣṭhī-tatpuruṣa (jyātala+nirghoṣa)

• jyātala – bowstring and palm of the hand (or bow-guard)
  noun (neuter)
  Compound: jyā (bowstring) + tala (palm/bow-guard)
• nirghoṣa – loud sound, roar, din
  noun (masculine)
  From root ghuṣ (to sound) with prefix nir-
  Prefix: nir
  Root: ghuṣ (class 1)

व्यश्रूयत (vyaśrūyata) - was heard, resounded

(verb)

3rd person , singular, passive, imperfect (laṅ) of śru

Imperfect Passive

Imperfect passive 3rd singular of √śru with prefix vi-

Prefix: vi

Root: śru (class 5)

सुदारुणः (sudāruṇaḥ) - very dreadful, extremely terrible

(adjective)

Nominative, masculine, singular of sudāruṇa

sudāruṇa - very dreadful, exceedingly terrible

Compound: su- (very, exceedingly) + dāruṇa (dreadful)

Compound type : prādi-tatpuruṣa (su+dāruṇa)

• su – good, well, very, excellent
  indeclinable
• dāruṇa – dreadful, terrible, cruel
  adjective (masculine)

Note: Agrees with nirghoṣaḥ

अजस्रम् (ajasram) - incessantly, continuously, constantly

(indeclinable)

From a- (not) + jasra (weary, from √jas)

Compound type : nañ-tatpuruṣa (a+jasra)

• a – not, un-
  indeclinable
• jasra – weary, exhausted (rarely used independently, usually in ajasra)
  adjective (masculine)

Note: Used as an adverb here.

शैलशृङ्गाणाम् (śailaśṛṅgāṇām) - of mountain peaks

(noun)

Genitive, neuter, plural of śailaśṛṅga

śailaśṛṅga - mountain peak

Tatpuruṣa compound: śaila (mountain) + śṛṅga (peak)

Compound type : tatpuruṣa (śaila+śṛṅga)

• śaila – mountain, rock
  noun (masculine)
• śṛṅga – horn, peak, summit
  noun (neuter)

वज्रेण (vajreṇa) - by the thunderbolt (of Indra)

(noun)

Instrumental, masculine, singular of vajra

vajra - thunderbolt, diamond (Indra's weapon)

आहन्यताम् (āhanyatām) - of their being struck, as they were being struck

(noun)

Genitive, feminine, plural of āhanyatā

āhanyatā - the state or act of being struck or hit

Verbal Noun (from passive form)

Derived from the passive form of √han (to strike) with prefix ā- and suffix -tā. Used here in a genitive plural construction implying action or state for comparison.

Prefix: ā

Root: han (class 2)

इव (iva) - like, as

(indeclinable)