महाभारतः mahābhārataḥ - book-7, chapter-162, verse-15

गजाश्वकायप्रभवां नरदेहप्रवाहिनीम् ।
शस्त्रमत्स्यसुसंपूर्णां मांसशोणितकर्दमाम् ॥१५॥

15. gajāśvakāyaprabhavāṁ naradehapravāhinīm ,
śastramatsyasusaṁpūrṇāṁ māṁsaśoṇitakardamām.

15. gajāśvakāyaprabhavām naradehapravāhinīm
śastramatsyasuṣampūrṇām māṃsaśoṇitakardamām

15. gajāśvakāyaprabhavām naradehapravāhinīm
śastramatsyasuṣampūrṇām māṃsaśoṇitakardamām

15. They created a river originating from the bodies of elephants and horses, flowing with human bodies, teeming with weapons like fish, and having mud composed of flesh and blood.

Words meanings summery:

• गजाश्वकायप्रभवाम् (gajāśvakāyaprabhavām) - originating from the bodies of elephants and horses

• नरदेहप्रवाहिनीम् (naradehapravāhinīm) - flowing with human bodies

• शस्त्रमत्स्यसुषम्पूर्णाम् (śastramatsyasuṣampūrṇām) - well-filled with weapons as fish; teeming with weapons like fish

• मांसशोणितकर्दमाम् (māṁsaśoṇitakardamām) - having mud of flesh and blood

Words meanings and morphology

गजाश्वकायप्रभवाम् (gajāśvakāyaprabhavām) - originating from the bodies of elephants and horses

(adjective)

Accusative, feminine, singular of gajāśvakāyaprabhava

gajāśvakāyaprabhava - originating from the bodies of elephants and horses

Compound type : tatpuruṣa (gaja+aśva+kāya+prabhava)

• gaja – elephant
  noun (masculine)
• aśva – horse
  noun (masculine)
• kāya – body
  noun (masculine)
• prabhava – originating from, source, birth
  noun (masculine)
  Prefix: pra
  Root: bhū (class 1)

नरदेहप्रवाहिनीम् (naradehapravāhinīm) - flowing with human bodies

(adjective)

Accusative, feminine, singular of naradehapravāhinī

naradehapravāhinī - flowing with human bodies

Compound type : tatpuruṣa (nara+deha+pravāhin)

• nara – man, human
  noun (masculine)
• deha – body
  noun (masculine)
• pravāhin – flowing, current, stream
  adjective (masculine)
  Prefix: pra
  Root: vah (class 1)

शस्त्रमत्स्यसुषम्पूर्णाम् (śastramatsyasuṣampūrṇām) - well-filled with weapons as fish; teeming with weapons like fish

(adjective)

Accusative, feminine, singular of śastramatsyasuṣampūrṇa

śastramatsyasuṣampūrṇa - well-filled with weapons as fish; teeming with weapons like fish

Compound type : tatpuruṣa (śastra+matsya+su+sampūrṇa)

• śastra – weapon, sword
  noun (neuter)
  Root: śas
• matsya – fish
  noun (masculine)
• su – good, well, very
  indeclinable
• sampūrṇa – full, complete, filled
  adjective (masculine)
  Past Passive Participle
  Prefix: sam
  Root: pṛ (class 9)

मांसशोणितकर्दमाम् (māṁsaśoṇitakardamām) - having mud of flesh and blood

(adjective)

Accusative, feminine, singular of māṃsaśoṇitakardama

māṁsaśoṇitakardama - having mud of flesh and blood

Compound type : tatpuruṣa (māṃsa+śoṇita+kardama)

• māṃsa – flesh, meat
  noun (neuter)
• śoṇita – blood
  noun (neuter)
• kardama – mud, mire
  noun (masculine)