महाभारतः mahābhārataḥ - book-7, chapter-112, verse-31

तान्निहत्य महाबाहू राधेयस्यैव पश्यतः ।
सिंहनादरवं घोरमसृजत्पाण्डुनन्दनः ॥३१॥

31. tānnihatya mahābāhū rādheyasyaiva paśyataḥ ,
siṁhanādaravaṁ ghoramasṛjatpāṇḍunandanaḥ.

31. tān nihatya mahābāhuḥ rādheyasya eva paśyataḥ
siṃhanādaravam ghoram asṛjat pāṇḍunandanaḥ

31. mahābāhuḥ pāṇḍunandanaḥ tān nihatya,
rādheyasya eva paśyataḥ,
ghoram siṃhanādaravam asṛjat

31. Having slain them, the mighty-armed Pāṇḍu's son let out a dreadful lion-like roar, right as Rādhā's son (Karṇa) was watching.

Words meanings summery:

• तान् (tān) - them (the seven slain sons) (them, those)

• निहत्य (nihatya) - having slain (the seven sons) (having slain, having killed)

• महाबाहुः (mahābāhuḥ) - the mighty-armed (Pāṇḍu's son) (mighty-armed, great-armed)

• राधेयस्य (rādheyasya) - of Karṇa (Rādhā's son) (of Rādhā's son, of Karṇa)

• एव (eva) - exactly (while Karṇa was watching) (indeed, only, just, exactly)

• पश्यतः (paśyataḥ) - while (Karṇa) was watching (of one seeing, while seeing)

• सिंहनादरवम् (siṁhanādaravam) - a dreadful lion-like roar (the roar of a lion)

• घोरम् (ghoram) - a dreadful (lion-like roar) (dreadful, terrible, fearful)

• असृजत् (asṛjat) - he uttered (a roar) (he created, he released, he uttered)

• पाण्डुनन्दनः (pāṇḍunandanaḥ) - the son of Pāṇḍu (referring to Bhīma or Arjuna) (son of Pāṇḍu)

Words meanings and morphology

तान् (tān) - them (the seven slain sons) (them, those)

(pronoun)

Accusative, masculine, plural of tad

tad - that, those

Note: Object of nihatya.

निहत्य (nihatya) - having slain (the seven sons) (having slain, having killed)

(indeclinable)

Absolutive (Gerund)

from ni-√han (to strike down, kill) with suffix lyap (after a prefix)

Prefix: ni

Root: han (class 2)

महाबाहुः (mahābāhuḥ) - the mighty-armed (Pāṇḍu's son) (mighty-armed, great-armed)

(adjective)

Nominative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, one with strong arms

Compound type : Bahuvrihi (mahat+bāhu)

• mahat – great, large, mighty
  adjective
• bāhu – arm
  noun (masculine)

Note: Qualifies pāṇḍunandanaḥ.

राधेयस्य (rādheyasya) - of Karṇa (Rādhā's son) (of Rādhā's son, of Karṇa)

(proper noun)

Genitive, masculine, singular of rādheya

rādheya - son of Rādhā, Karṇa

From rādhā (mother's name) + ḍhak suffix (patronymic)

Note: Possessive, governing paśyataḥ.

एव (eva) - exactly (while Karṇa was watching) (indeed, only, just, exactly)

(indeclinable)

Note: Emphasizes rādheyasya.

पश्यतः (paśyataḥ) - while (Karṇa) was watching (of one seeing, while seeing)

(participle)

Genitive, masculine, singular of paśyat

paśyat - seeing, looking, watching

Present Active Participle

from √dṛś (to see), stem paśya-

Root: dṛś (class 1)

Note: Refers to Karṇa.

सिंहनादरवम् (siṁhanādaravam) - a dreadful lion-like roar (the roar of a lion)

(noun)

Accusative, masculine, singular of siṃhanādarava

siṁhanādarava - lion's roar, a roaring sound like a lion

Compound type : Tatpurusha (siṃha+nāda+rava)

• siṃha – lion
  noun (masculine)
• nāda – sound, roar, cry
  noun (masculine)
  from √nad (to sound, roar)
  Root: nad (class 1)
• rava – sound, noise, roar
  noun (masculine)
  from √ru (to sound, roar)
  Root: ru (class 2)

Note: Object of asṛjat.

घोरम् (ghoram) - a dreadful (lion-like roar) (dreadful, terrible, fearful)

(adjective)

Accusative, masculine, singular of ghora

ghora - dreadful, terrible, fearful, formidable

Root: ghū

Note: Agrees with siṃhanādaravam.

असृजत् (asṛjat) - he uttered (a roar) (he created, he released, he uttered)

(verb)

3rd person , singular, active, past imperfect (laṅ) of sṛj

Imperfect tense

from √sṛj (to create, release), augment a- for imperfect.

Root: sṛj (class 6)

Note: Main verb of the sentence.

पाण्डुनन्दनः (pāṇḍunandanaḥ) - the son of Pāṇḍu (referring to Bhīma or Arjuna) (son of Pāṇḍu)

(noun)

Nominative, masculine, singular of pāṇḍunandana

pāṇḍunandana - son of Pāṇḍu, delight of Pāṇḍu

Compound type : Tatpurusha (pāṇḍu+nandana)

• pāṇḍu – Pāṇḍu (name of a king), pale, yellowish-white
  proper noun (masculine)
• nandana – son, delighting, gladdening
  noun (masculine)

Note: Subject of asṛjat.