महाभारतः mahābhārataḥ - book-8, chapter-21, verse-6

प्रहतनररथाश्वकुञ्जरं प्रतिभयदर्शनमुल्बणं तदा ।
तदहितनिहतं बभौ बलं पितृपतिराष्ट्रमिव प्रजाक्षये ॥६॥

6. prahatanararathāśvakuñjaraṁ; pratibhayadarśanamulbaṇaṁ tadā ,
tadahitanihataṁ babhau balaṁ; pitṛpatirāṣṭramiva prajākṣaye.

6. prahatanararathāśvakuñjaram pratibhayadarśanam ulbaṇam tadā
tat ahitanihatam babhau balam pitṛpatirāṣṭram iva prajākṣaye

6. tadā tat ulbaṇam balam prahatanararathāśvakuñjaram pratibhayadarśanam
ahitanihatam pitṛpatirāṣṭram iva prajākṣaye babhau

6. Then, that formidable army, with its men, chariots, horses, and elephants struck down, and appearing terrifying, having been destroyed by its enemies, looked like the realm of the Lord of Death (pitṛpati) at the time of the annihilation of creation (prajākṣaye).

Words meanings summery:

• प्रहतनररथाश्वकुञ्जरम् (prahatanararathāśvakuñjaram) - having men, chariots, horses, and elephants struck down/destroyed

• प्रतिभयदर्शनम् (pratibhayadarśanam) - terrifying to behold, fearsome in appearance

• उल्बणम् (ulbaṇam) - formidable, terrible, fierce, enormous

• तदा (tadā) - then, at that time, thereupon

• तत् (tat) - that army (that, that one)

• अहितनिहतम् (ahitanihatam) - destroyed by enemies, slain by foes

• बभौ (babhau) - shone, appeared, looked

• बलम् (balam) - army, force, strength

• पितृपतिराष्ट्रम् (pitṛpatirāṣṭram) - the realm of the Lord of Death (pitṛpati), Yama's realm

• इव (iva) - like, as if, as

• प्रजाक्षये (prajākṣaye) - at the destruction of creation, at the annihilation of beings

Words meanings and morphology

प्रहतनररथाश्वकुञ्जरम् (prahatanararathāśvakuñjaram) - having men, chariots, horses, and elephants struck down/destroyed

(adjective)

Nominative, neuter, singular of prahatanararathāśvakuñjara

prahatanararathāśvakuñjara - having men, chariots, horses, and elephants struck down/destroyed

Compound type : Bahuvrīhi (prahata+nara+ratha+aśva+kuñjara)

• prahata – struck down, smitten, destroyed
  adjective (masculine)
  Past Passive Participle
  From root han (to strike, kill) with prefix pra-
  Prefix: pra
  Root: han (class 2)
• nara – man, human
  noun (masculine)
• ratha – chariot
  noun (masculine)
• aśva – horse
  noun (masculine)
• kuñjara – elephant
  noun (masculine)

Note: Modifies 'balam'

प्रतिभयदर्शनम् (pratibhayadarśanam) - terrifying to behold, fearsome in appearance

(adjective)

Nominative, neuter, singular of pratibhayadarśana

pratibhayadarśana - terrifying to behold, fearsome in appearance

Compound type : Karmadhāraya (pratibhaya+darśana)

• pratibhaya – fear, terror; terrifying
  noun (neuter)
• darśana – sight, appearance, seeing
  noun (neuter)

Note: Modifies 'balam'

उल्बणम् (ulbaṇam) - formidable, terrible, fierce, enormous

(adjective)

Nominative, neuter, singular of ulbaṇa

ulbaṇa - formidable, terrible, fierce, enormous, excessive

Note: Modifies 'balam'

तदा (tadā) - then, at that time, thereupon

(indeclinable)

तत् (tat) - that army (that, that one)

(pronoun)

Nominative, neuter, singular of tad

tad - that

Note: Refers to 'balam'

अहितनिहतम् (ahitanihatam) - destroyed by enemies, slain by foes

(adjective)

Nominative, neuter, singular of ahitanihatam

ahitanihatam - destroyed by enemies, slain by foes

Compound type : Tṛtīyā-Tatpuruṣa (ahita+nihata)

• ahita – enemy, foe; not beneficial
  noun (masculine)
• nihata – struck down, slain, killed, destroyed
  adjective (masculine)
  Past Passive Participle
  From root han (to strike, kill) with prefix ni-
  Prefix: ni
  Root: han (class 2)

Note: Modifies 'balam'

बभौ (babhau) - shone, appeared, looked

(verb)

3rd person , singular, active, Perfect (Lit) of bhā

Perfect tense form

Root: bhā (class 2)

बलम् (balam) - army, force, strength

(noun)

Nominative, neuter, singular of bala

bala - army, force, strength, power

पितृपतिराष्ट्रम् (pitṛpatirāṣṭram) - the realm of the Lord of Death (pitṛpati), Yama's realm

(noun)

Nominative, neuter, singular of pitṛpatirāṣṭra

pitṛpatirāṣṭra - the realm of the Lord of Death, Yama's realm

Compound type : Ṣaṣṭhī-Tatpuruṣa (pitṛpati+rāṣṭra)

• pitṛpati – lord of ancestors, Lord of Death, Yama
  noun (masculine)
• rāṣṭra – kingdom, realm, country
  noun (neuter)

इव (iva) - like, as if, as

(indeclinable)

प्रजाक्षये (prajākṣaye) - at the destruction of creation, at the annihilation of beings

(noun)

Locative, masculine, singular of prajākṣaya

prajākṣaya - destruction of creation, annihilation of beings

Compound type : Ṣaṣṭhī-Tatpuruṣa (prajā+kṣaya)

• prajā – creatures, beings, progeny, people
  noun (feminine)
• kṣaya – destruction, annihilation, loss, decline
  noun (masculine)