महाभारतः mahābhārataḥ - book-7, chapter-74, verse-51

शरोर्मिणं ध्वजावर्तं नागनक्रं दुरत्ययम् ।
पदातिमत्स्यकलिलं शङ्खदुन्दुभिनिस्वनम् ॥५१॥

51. śarormiṇaṁ dhvajāvartaṁ nāganakraṁ duratyayam ,
padātimatsyakalilaṁ śaṅkhadundubhinisvanam.

51. śarormiṇam dhvajāvartaṃ nāganakraṃ duratyayam
padātimatsyakalilam śaṅkhadundubhinisvanam

51. śarormiṇam dhvajāvartaṃ nāganakraṃ duratyayam
padātimatsyakalilam śaṅkhadundubhinisvanam

51. It was (a battle) with arrows as its waves, banners as its whirlpools, elephants as its crocodiles, and difficult to cross; agitated by foot-soldiers as its fish, and filled with the sound of conches and drums.

Words meanings summery:

• शरोर्मिणम् (śarormiṇam) - having arrows as waves

• ध्वजावर्तं (dhvajāvartaṁ) - having banners as whirlpools

• नागनक्रं (nāganakraṁ) - having elephants as crocodiles

• दुरत्ययम् (duratyayam) - difficult to cross, impossible to surmount

• पदातिमत्स्यकलिलम् (padātimatsyakalilam) - agitated by foot-soldiers as fish

• शङ्खदुन्दुभिनिस्वनम् (śaṅkhadundubhinisvanam) - having the sound of conches and drums

Words meanings and morphology

शरोर्मिणम् (śarormiṇam) - having arrows as waves

(adjective)

Accusative, neuter, singular of śarormin

śarormin - having arrows for waves

Compound type : bahuvrīhi (śara+ūrmin)

• śara – arrow, reed
  noun (masculine)
• ūrmin – having waves (from ūrmi 'wave')
  adjective (masculine)
  From ūrmi with -in suffix

ध्वजावर्तं (dhvajāvartaṁ) - having banners as whirlpools

(adjective)

Accusative, neuter, singular of dhvajāvarta

dhvajāvarta - having banners for whirlpools

Compound type : bahuvrīhi (dhvaja+āvarta)

• dhvaja – banner, flag, standard
  noun (masculine)
• āvarta – whirlpool, eddy
  noun (masculine)

नागनक्रं (nāganakraṁ) - having elephants as crocodiles

(adjective)

Accusative, neuter, singular of nāganakra

nāganakra - having elephants as crocodiles

Compound type : bahuvrīhi (nāga+nakra)

• nāga – elephant, snake
  noun (masculine)
• nakra – crocodile, alligator
  noun (masculine)

दुरत्ययम् (duratyayam) - difficult to cross, impossible to surmount

(adjective)

Accusative, neuter, singular of duratyaya

duratyaya - difficult to cross or overcome, impassable

Gerundive/Kṛtya suffix -ya added to ati-i (go beyond) with prefix dur- (difficult)

Compound: dur (difficult) + ati (beyond) + aya (going)

Compound type : tatpuruṣa (dur+atyaya)

• dur – difficult, bad
  indeclinable
• atyaya – passing beyond, crossing, overcoming
  noun (masculine)
  From ati-i (to go beyond)
  Prefix: ati
  Root: i (class 2)

पदातिमत्स्यकलिलम् (padātimatsyakalilam) - agitated by foot-soldiers as fish

(adjective)

Accusative, neuter, singular of padātimatsyakalila

padātimatsyakalila - agitated with foot-soldiers like fish

Compound type : bahuvrīhi (padāti+matsya+kalila)

• padāti – foot-soldier, infantry
  noun (masculine)
• matsya – fish
  noun (masculine)
• kalila – agitated, confused, filled with
  adjective (masculine)

शङ्खदुन्दुभिनिस्वनम् (śaṅkhadundubhinisvanam) - having the sound of conches and drums

(adjective)

Accusative, neuter, singular of śaṅkhadundubhinisvana

śaṅkhadundubhinisvana - having the sound of conches and drums

Compound type : bahuvrīhi (śaṅkha+dundubhi+nisvana)

• śaṅkha – conch-shell, conch-trumpet
  noun (masculine)
• dundubhi – drum, war-drum
  noun (masculine)
• nisvana – sound, noise, roar
  noun (masculine)
  From root svan- (to sound) with prefix ni-
  Prefix: ni
  Root: svan (class 1)