महाभारतः mahābhārataḥ - book-6, chapter-57, verse-4

तथा तमात्मजं युद्धे विक्रमन्तमरिंदमम् ।
दृष्ट्वा पार्थो रणे यत्तः सिंहनादमथोऽनदत् ॥४॥

4. tathā tamātmajaṁ yuddhe vikramantamariṁdamam ,
dṛṣṭvā pārtho raṇe yattaḥ siṁhanādamatho'nadat.

4. tathā tam ātmajam yuddhe vikramantam arimdamam
dṛṣṭvā pārthaḥ raṇe yattaḥ siṃhanādam atho anadat

4. tathā pārthaḥ raṇe yattaḥ yuddhe vikramantam
arimdamam tam ātmajam dṛṣṭvā atho siṃhanādam anadat

4. Thus, Arjuna (Pārtha), prepared in battle, upon seeing his enemy-subduing son (Abhimanyu) fighting valiantly in the combat, then let out a lion's roar.

Words meanings summery:

• तथा (tathā) - thus, in this manner (thus, so, in that manner)

• तम् (tam) - him (referring to Abhimanyu) (him, that)

• आत्मजम् (ātmajam) - his own son (Abhimanyu) (son, born from oneself)

• युद्धे (yuddhe) - in the battle (in battle, in combat)

• विक्रमन्तम् (vikramantam) - fighting valiantly (fighting valiantly, showing prowess)

• अरिम्दमम् (arimdamam) - vanquishing enemies (enemy-subduing, vanquishing foes)

• दृष्ट्वा (dṛṣṭvā) - having seen (having seen, seeing)

• पार्थः (pārthaḥ) - Arjuna (Arjuna, son of Pṛthā (Kuntī))

• रणे (raṇe) - in the battle (in battle, in war)

• यत्तः (yattaḥ) - alert and prepared (prepared, ready, striving)

• सिंहनादम् (siṁhanādam) - a lion's roar (a mighty shout) (a lion's roar)

• अथो (atho) - then (then, thereupon, furthermore)

• अनदत् (anadat) - roared (a lion's roar) (roared, shouted)

Words meanings and morphology

तथा (tathā) - thus, in this manner (thus, so, in that manner)

(indeclinable)

तम् (tam) - him (referring to Abhimanyu) (him, that)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

आत्मजम् (ātmajam) - his own son (Abhimanyu) (son, born from oneself)

(noun)

Accusative, masculine, singular of ātmaja

ātmaja - son, daughter, born from oneself

Derived from ātman + jan (to be born)

Root: jan (class 4)

युद्धे (yuddhe) - in the battle (in battle, in combat)

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, fight, combat, war

past passive participle

From √yudh (to fight)

Root: yudh (class 4)

विक्रमन्तम् (vikramantam) - fighting valiantly (fighting valiantly, showing prowess)

(adjective)

Accusative, masculine, singular of vikramant

vikramant - valiant, showing prowess, attacking

present active participle

From vi- + √kram (to step, go) + śatṛ

Prefix: vi

Root: kram (class 1)

अरिम्दमम् (arimdamam) - vanquishing enemies (enemy-subduing, vanquishing foes)

(adjective)

Accusative, masculine, singular of arimdama

arimdama - enemy-subduing, victor over foes

Compound type : upapada tatpurusha (ari+dama)

• ari – enemy, foe
  noun (masculine)
• dama – subduing, taming
  noun (masculine)
  From √dam (to subdue)
  Root: dam (class 1)

दृष्ट्वा (dṛṣṭvā) - having seen (having seen, seeing)

(indeclinable)

absolutive

absolutive of √dṛś

Root: dṛś (class 1)

पार्थः (pārthaḥ) - Arjuna (Arjuna, son of Pṛthā (Kuntī))

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī), Arjuna

रणे (raṇe) - in the battle (in battle, in war)

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, war, conflict

यत्तः (yattaḥ) - alert and prepared (prepared, ready, striving)

(adjective)

Nominative, masculine, singular of yatta

yatta - prepared, ready, striving, diligent

past passive participle

From √yat (to strive)

Root: yat (class 1)

सिंहनादम् (siṁhanādam) - a lion's roar (a mighty shout) (a lion's roar)

(noun)

Accusative, masculine, singular of siṃhanāda

siṁhanāda - lion's roar, a mighty shout

Compound type : tatpurusha (siṃha+nāda)

• siṃha – lion
  noun (masculine)
• nāda – roar, sound, shout
  noun (masculine)
  From √nad (to roar)
  Root: nad (class 1)

अथो (atho) - then (then, thereupon, furthermore)

(indeclinable)

अनदत् (anadat) - roared (a lion's roar) (roared, shouted)

(verb)

3rd person , singular, active, imperfect (laṅ) of nad

imperfect active

3rd person singular imperfect active of √nad (class 1)

Root: nad (class 1)