महाभारतः mahābhārataḥ - book-7, chapter-170, verse-3

शूलक्रव्यादसंघुष्टं भूतयक्षगणाकुलम् ।
निहत्य शात्रवान्भल्लैः सोऽचिनोद्देहपर्वतम् ॥३॥

3. śūlakravyādasaṁghuṣṭaṁ bhūtayakṣagaṇākulam ,
nihatya śātravānbhallaiḥ so'cinoddehaparvatam.

3. śūlakravyādasaṃghuṣṭam bhūtayakṣagaṇākulam
nihatya śātravān bhallaiḥ saḥ acinot deha-parvatam

3. saḥ bhallaiḥ śātravān nihatya śūlakravyādasaṃghuṣṭam
bhūtayakṣagaṇākulam deha-parvatam acinot

3. Having struck down the enemies with arrows, he piled up a mountain of bodies, a place resounding with the clamor of spears and flesh-eaters, and teeming with hosts of spirits (bhūtas) and yakṣas.

Words meanings summery:

• शूलक्रव्यादसंघुष्टम् (śūlakravyādasaṁghuṣṭam) - resounding with the clamor of spears and flesh-eaters (resounding with spears and flesh-eaters; echoed by lances and carnivores)

• भूतयक्षगणाकुलम् (bhūtayakṣagaṇākulam) - teeming with hosts of spirits (bhūtas) and yakṣas (teeming with hosts of spirits and yakshas; filled with hordes of ghosts and yakshas)

• निहत्य (nihatya) - having struck down, having killed, having defeated

• शात्रवान् (śātravān) - enemies, adversaries

• भल्लैः (bhallaiḥ) - with arrows, by means of arrows

• सः (saḥ) - he (the implied subject, e.g., Bhīmasena) (he, that (masculine singular))

• अचिनोत् (acinot) - he piled up, he gathered, he accumulated

• देह-पर्वतम् (deha-parvatam) - a mountain of bodies, a heap of corpses

Words meanings and morphology

शूलक्रव्यादसंघुष्टम् (śūlakravyādasaṁghuṣṭam) - resounding with the clamor of spears and flesh-eaters (resounding with spears and flesh-eaters; echoed by lances and carnivores)

(adjective)

Accusative, neuter, singular of śūlakravyādasaṃghuṣṭa

śūlakravyādasaṁghuṣṭa - resounding with spears and flesh-eaters

Compound type : Bahuvrīhi (śūla+kravyāda+saṃghuṣṭa)

• śūla – spear, pike, stake
  noun (masculine)
• kravyāda – flesh-eater, carnivore, demon
  noun (masculine)
• saṃghuṣṭa – resounded, echoed, clamored
  participle (neuter)
  Past Passive Participle
  Derived from the root ghuṣ with the prefix sam-
  Prefix: sam
  Root: ghuṣ (class 1)

Note: Agrees with deha-parvatam.

भूतयक्षगणाकुलम् (bhūtayakṣagaṇākulam) - teeming with hosts of spirits (bhūtas) and yakṣas (teeming with hosts of spirits and yakshas; filled with hordes of ghosts and yakshas)

(adjective)

Accusative, neuter, singular of bhūtayakṣagaṇākula

bhūtayakṣagaṇākula - teeming with hosts of spirits and yakshas

Compound type : Tatpuruṣa (bhūtayakṣagaṇa+ākula)

• bhūta – spirit, ghost, being
  noun (masculine)
• yakṣa – yaksha (a class of nature spirits)
  noun (masculine)
• gaṇa – host, multitude, troop
  noun (masculine)
• ākula – agitated, confused, filled with, crowded with
  adjective (neuter)

Note: Agrees with deha-parvatam.

निहत्य (nihatya) - having struck down, having killed, having defeated

(indeclinable)

Absolutive (Gerund)

Derived from the root han with prefix ni- and the suffix -ya (after a prefix)

Prefix: ni

Root: han (class 2)

शात्रवान् (śātravān) - enemies, adversaries

(noun)

Accusative, masculine, plural of śatru

śatru - enemy, foe, adversary

भल्लैः (bhallaiḥ) - with arrows, by means of arrows

(noun)

Instrumental, masculine, plural of bhalla

bhalla - arrow, dart

सः (saḥ) - he (the implied subject, e.g., Bhīmasena) (he, that (masculine singular))

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

अचिनोत् (acinot) - he piled up, he gathered, he accumulated

(verb)

3rd person , singular, active, past imperfect (laṅ) of ci

Root of the 5th conjugation (svādi)

Root: ci (class 5)

देह-पर्वतम् (deha-parvatam) - a mountain of bodies, a heap of corpses

(noun)

Accusative, masculine, singular of deha-parvata

deha-parvata - a mountain of bodies

Compound type : Tatpuruṣa (deha+parvata)

• deha – body, corporeal frame
  noun (masculine)
• parvata – mountain, hill
  noun (masculine)