महाभारतः mahābhārataḥ - book-1, chapter-219, verse-21

देवराजं तदा यान्तं सह देवैरुदीक्ष्य तु ।
वासुदेवार्जुनौ वीरौ सिंहनादं विनेदतुः ॥२१॥

21. devarājaṁ tadā yāntaṁ saha devairudīkṣya tu ,
vāsudevārjunau vīrau siṁhanādaṁ vinedatuḥ.

21. devarājam tadā yāntam saha devaiḥ udīkṣya tu
vāsudevārjunau vīrau siṃhanādam vinedatuḥ

21. Then, upon seeing the king of the gods (Indra) departing along with the other deities, the two heroes, Vāsudeva (Krishna) and Arjuna, let out a lion's roar.

Words meanings summery:

• देवराजम् (devarājam) - the king of the gods (Indra) (king of gods, Indra)

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

• यान्तम् (yāntam) - departing (going, moving, departing)

• सह (saha) - along with (with, together with, accompanied by)

• देवैः (devaiḥ) - with the other deities (by gods, with gods)

• उदीक्ष्य (udīkṣya) - upon seeing, having seen (having seen, having looked up, having perceived)

• तु (tu) - indeed, certainly (emphatic) (but, indeed, however)

• वासुदेवार्जुनौ (vāsudevārjunau) - Vāsudeva (Krishna) and Arjuna (Vāsudeva and Arjuna)

• वीरौ (vīrau) - the two heroes (heroes, brave ones, champions)

• सिंहनादम् (siṁhanādam) - a lion's roar (lion's roar, mighty roar, war cry)

• विनेदतुः (vinedatuḥ) - they let out a roar (they roared, they sounded)

Words meanings and morphology

देवराजम् (devarājam) - the king of the gods (Indra) (king of gods, Indra)

(proper noun)

Accusative, masculine, singular of devarāja

devarāja - king of gods, Indra

Compound type : tatpurusha (deva+rāja)

• deva – god, deity
  noun (masculine)
• rāja – king, ruler
  noun (masculine)

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

(indeclinable)

यान्तम् (yāntam) - departing (going, moving, departing)

(adjective)

Accusative, masculine, singular of yāt

yā - to go, to move, to proceed

Present Active Participle

from root 'yā'

Root: yā (class 2)

Note: Modifying 'devarājam'.

सह (saha) - along with (with, together with, accompanied by)

(indeclinable)

देवैः (devaiḥ) - with the other deities (by gods, with gods)

(noun)

Instrumental, masculine, plural of deva

deva - god, deity

Note: Used with 'saha'.

उदीक्ष्य (udīkṣya) - upon seeing, having seen (having seen, having looked up, having perceived)

(indeclinable)

absolutive (gerund)

from root 'īkṣ' with prefix 'ud'

Prefix: ud

Root: īkṣ (class 1)

तु (tu) - indeed, certainly (emphatic) (but, indeed, however)

(indeclinable)

वासुदेवार्जुनौ (vāsudevārjunau) - Vāsudeva (Krishna) and Arjuna (Vāsudeva and Arjuna)

(proper noun)

Nominative, masculine, dual of vāsudevārjuna

vāsudevārjuna - Vāsudeva and Arjuna

Compound type : dvandva (vāsudeva+arjuna)

• vāsudeva – Krishna (son of Vasudeva)
  proper noun (masculine)
• arjuna – Arjuna (a Pāṇḍava prince)
  proper noun (masculine)

वीरौ (vīrau) - the two heroes (heroes, brave ones, champions)

(noun)

Nominative, masculine, dual of vīra

vīra - hero, brave, valiant man

Note: Appositive to 'vāsudevārjunau'.

सिंहनादम् (siṁhanādam) - a lion's roar (lion's roar, mighty roar, war cry)

(noun)

Accusative, masculine, singular of siṃhanāda

siṁhanāda - lion's roar, roar, battle cry

Compound type : tatpurusha (siṃha+nāda)

• siṃha – lion
  noun (masculine)
• nāda – sound, roar, cry
  noun (masculine)
  from root 'nad'
  Root: nad (class 1)

विनेदतुः (vinedatuḥ) - they let out a roar (they roared, they sounded)

(verb)

3rd person , dual, active, perfect (liṭ) of vinad

perfect active

3rd person dual, perfect, Parasmaipada, from root 'nad' with prefix 'vi'

Prefix: vi

Root: nad (class 1)