महाभारतः mahābhārataḥ - book-6, chapter-59, verse-4

रथनागाश्वकलिलं शङ्खदुन्दुभिनादितम् ।
अथानन्तमपारं च नरेन्द्रस्तिमितह्रदम् ॥४॥

4. rathanāgāśvakalilaṁ śaṅkhadundubhināditam ,
athānantamapāraṁ ca narendrastimitahradam.

4. rathanāgāśvakalilam śaṅkhadundubhināditam
atha anantam apāram ca narendra-stimita-hradam

4. atha rathanāgāśvakalilam śaṅkhadundubhināditam
anantam apāram ca narendra-stimita-hradam

4. Moreover, [the army was] permeated with chariots, elephants, and horses, resounding with conchs and drums, boundless and immeasurable, belonging to a king whose mind was tranquil like a lake (hrada).

Words meanings summery:

• रथन̄ग̄स्́वकलिलम् (rathanāgāśvakalilam) - (describing the army) filled with chariots, elephants, and horses (filled with chariots, elephants, and horses; teeming with chariots, elephants, and horses)

• स्́अङ्खदुन्दुभिन̄दितम् (śaṅkhadundubhināditam) - (describing the army) made noisy by conchs and drums (made noisy by conchs and drums; resounding with conchs and drums)

• अथ (atha) - moreover, then, now, thereupon

• अनन्तम् (anantam) - (describing the army) boundless (endless, infinite, boundless)

• अप̄रम् (apāram) - (describing the army) immeasurable (shoreless, boundless, immeasurable)

• च (ca) - and, also

• नरेन्द्र-स्तिमित-ह्रदम् (narendra-stimita-hradam) - (describing the army) belonging to a king whose mind was tranquil like a lake (hrada) (belonging to a king whose mind/heart is calm like a pond; having a king with a tranquil mind)

Words meanings and morphology

रथन̄ग̄स्́वकलिलम् (rathanāgāśvakalilam) - (describing the army) filled with chariots, elephants, and horses (filled with chariots, elephants, and horses; teeming with chariots, elephants, and horses)

(adjective)

Accusative, neuter, singular of ratha-nāga-aśva-kalila

ratha-nāga-aśva-kalila - filled with chariots, elephants, and horses

Compound type : bahuvrīhi (ratha+nāga+aśva+kalila)

• ratha – chariot, car
  noun (masculine)
• nāga – elephant, serpent
  noun (masculine)
• aśva – horse
  noun (masculine)
• kalila – filled with, pervaded by, full of
  adjective (neuter)

स्́अङ्खदुन्दुभिन̄दितम् (śaṅkhadundubhināditam) - (describing the army) made noisy by conchs and drums (made noisy by conchs and drums; resounding with conchs and drums)

(adjective)

Accusative, neuter, singular of śaṅkha-dundubhi-nādita

śaṅkha-dundubhi-nādita - sounded/made noisy by conchs and drums

Past Passive Participle

Derived from root nad with instrumental compound

Compound type : tatpurusha (śaṅkha+dundubhi+nādita)

• śaṅkha – conch, conch-shell
  noun (masculine)
• dundubhi – drum, war-drum
  noun (masculine)
• nādita – sounded, made noisy, caused to sound
  adjective (neuter)
  Past Passive Participle
  Root: nad (class 1)

अथ (atha) - moreover, then, now, thereupon

(indeclinable)

अनन्तम् (anantam) - (describing the army) boundless (endless, infinite, boundless)

(adjective)

Accusative, neuter, singular of ananta

ananta - endless, infinite, boundless, eternal

Compound type : nañ-tatpuruṣa (a+anta)

• a – not, un-, without
  indeclinable
• anta – end, limit, boundary
  noun (masculine)

अप̄रम् (apāram) - (describing the army) immeasurable (shoreless, boundless, immeasurable)

(adjective)

Accusative, neuter, singular of apāra

apāra - shoreless, boundless, immeasurable, endless

Compound type : nañ-tatpuruṣa (a+pāra)

• a – not, un-, without
  indeclinable
• pāra – shore, bank, limit, end
  noun (masculine)

च (ca) - and, also

(indeclinable)

नरेन्द्र-स्तिमित-ह्रदम् (narendra-stimita-hradam) - (describing the army) belonging to a king whose mind was tranquil like a lake (hrada) (belonging to a king whose mind/heart is calm like a pond; having a king with a tranquil mind)

(adjective)

Accusative, neuter, singular of narendra-stimita-hrada

narendra-stimita-hrada - having a king whose mind/heart is calm like a pond

Compound type : bahuvrīhi (narendra+stimita+hrada)

• narendra – king, chief of men, lord of men
  noun (masculine)
• stimita – still, calm, steady, motionless
  adjective (neuter)
  Past Passive Participle
  Root: stim (class 1)
• hrada – a deep lake, pond, mind (metaphorical for depth and stillness)
  noun (masculine)