महाभारतः mahābhārataḥ - book-1, chapter-218, verse-21

तथैवोरगसंघाताः पाण्डवस्य समीपतः ।
उत्सृजन्तो विषं घोरं निश्चेरुर्ज्वलिताननाः ॥२१॥

21. tathaivoragasaṁghātāḥ pāṇḍavasya samīpataḥ ,
utsṛjanto viṣaṁ ghoraṁ niścerurjvalitānanāḥ.

21. tathā eva uragasaṃghātāḥ pāṇḍavasya samīpataḥ
utsṛjantaḥ viṣaṃ ghoraṃ niśceruḥ jvalitānanāḥ

21. Similarly, hosts of serpents emerged from near Arjuna, spewing dreadful poison and having fiery mouths.

Words meanings summery:

• तथा (tathā) - similarly, in the same way (as the Garudas) (thus, so)

• एव (eva) - just (emphasizing the similarity) (indeed, only, just)

• उरगसंघाताः (uragasaṁghātāḥ) - large groups of serpents (hosts of serpents, crowds of snakes)

• पाण्डवस्य (pāṇḍavasya) - of Arjuna (of the Pāṇḍava, of Arjuna)

• समीपतः (samīpataḥ) - from the area around Arjuna (from the vicinity, from near)

• उत्सृजन्तः (utsṛjantaḥ) - spewing forth (emitting, releasing, abandoning)

• विषं (viṣaṁ) - venom (poison, venom)

• घोरं (ghoraṁ) - dreadful (dreadful, terrible, fearful)

• निश्चेरुः (niśceruḥ) - they emerged (they came out, emerged)

• ज्वलिताननाः (jvalitānanāḥ) - having mouths that appeared to be on fire (with flaming faces, fiery-mouthed)

Words meanings and morphology

तथा (tathā) - similarly, in the same way (as the Garudas) (thus, so)

(indeclinable)

एव (eva) - just (emphasizing the similarity) (indeed, only, just)

(indeclinable)

उरगसंघाताः (uragasaṁghātāḥ) - large groups of serpents (hosts of serpents, crowds of snakes)

(noun)

Nominative, masculine, plural of uragasaṃghāta

uragasaṁghāta - a multitude of serpents, hosts of snakes

tatpuruṣa compound

Compound type : tatpuruṣa (uraga+saṃghāta)

• uraga – serpent, snake
  noun (masculine)
  derived from uras 'breast' and ga 'going'
• saṃghāta – assemblage, multitude, mass
  noun (masculine)
  Prefix: sam
  Root: han (class 2)

पाण्डवस्य (pāṇḍavasya) - of Arjuna (of the Pāṇḍava, of Arjuna)

(proper noun)

Genitive, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, Arjuna

समीपतः (samīpataḥ) - from the area around Arjuna (from the vicinity, from near)

(indeclinable)

ablative suffix -taḥ

Note: Adverb formed from noun samīpa + taḥ suffix.

उत्सृजन्तः (utsṛjantaḥ) - spewing forth (emitting, releasing, abandoning)

(adjective)

Nominative, masculine, plural of utsṛjat

utsṛjat - emitting, releasing, abandoning

present active participle

root sṛj with ut, śatṛ प्रत्यय

Prefix: ut

Root: sṛj (class 6)

विषं (viṣaṁ) - venom (poison, venom)

(noun)

Accusative, neuter, singular of viṣa

viṣa - poison, venom

घोरं (ghoraṁ) - dreadful (dreadful, terrible, fearful)

(adjective)

Accusative, neuter, singular of ghora

ghora - dreadful, terrible, fearful, formidable

निश्चेरुः (niśceruḥ) - they emerged (they came out, emerged)

(verb)

3rd person , plural, active, perfect (lit) of niścar

Prefix: nis

Root: car (class 1)

ज्वलिताननाः (jvalitānanāḥ) - having mouths that appeared to be on fire (with flaming faces, fiery-mouthed)

(adjective)

Nominative, masculine, plural of jvalitānana

jvalitānana - one whose face is burning/flaming

bahuvrihi compound

Compound type : bahuvrihi (jvalita+ānana)

• jvalita – ablaze, burning, inflamed
  adjective (masculine)
  past passive participle
  root jval + kta प्रत्यय
  Root: jval (class 1)
• ānana – face, mouth
  noun (neuter)