महाभारतः mahābhārataḥ - book-1, chapter-52, verse-22

कामरूपाः कामगमा दीप्तानलविषोल्बणाः ।
दग्धास्तत्र महासत्रे ब्रह्मदण्डनिपीडिताः ॥२२॥

22. kāmarūpāḥ kāmagamā dīptānalaviṣolbaṇāḥ ,
dagdhāstatra mahāsatre brahmadaṇḍanipīḍitāḥ.

22. kāmarūpāḥ kāmagamāḥ dīptānalaviṣolbaṇāḥ
dagdhāḥ tatra mahāsatre brahmadaṇḍanipīḍitāḥ

22. Those who could assume any form at will, move as they pleased, and possessed excessively blazing fiery venom, were burned there in that great sacrifice, tormented by the curse of Brahmā.

Words meanings summery:

• कामरूपाः (kāmarūpāḥ) - referring to the Nāgas' magical ability to change their shape (assuming any form at will)

• कामगमाः (kāmagamāḥ) - referring to their ability to travel freely (moving at will, going as desired)

• दीप्तानलविषोल्बणाः (dīptānalaviṣolbaṇāḥ) - emphasizing their highly potent and destructive venom (whose excessive venom was like blazing fire)

• दग्धाः (dagdhāḥ) - consumed in the sacrificial fire (burned, consumed by fire)

• तत्र (tatra) - referring to the place of the great sacrifice (there, in that place)

• महासत्रे (mahāsatre) - referring to Janamejaya's Sarpa Satra (in the great sacrifice)

• ब्रह्मदण्डनिपीडिताः (brahmadaṇḍanipīḍitāḥ) - suffering from the divine punishment or curse that instigated the sacrifice (afflicted by the curse/power of Brahmā/Brahmanas)

Words meanings and morphology

कामरूपाः (kāmarūpāḥ) - referring to the Nāgas' magical ability to change their shape (assuming any form at will)

(adjective)

Nominative, masculine, plural of kāmarūpa

kāmarūpa - assuming any form at will, changeable in form

Compound type : bahuvrīhi (kāma+rūpa)

• kāma – desire, wish, will
  noun (masculine)
  Root: kam (class 1)
• rūpa – form, shape, appearance
  noun (neuter)

कामगमाः (kāmagamāḥ) - referring to their ability to travel freely (moving at will, going as desired)

(adjective)

Nominative, masculine, plural of kāmaga

kāmaga - going or moving at will

Compound type : tatpuruṣa (kāma+ga)

• kāma – desire, will
  noun (masculine)
  Root: kam (class 1)
• ga – going, moving, moving in
  adjective (masculine)
  agent noun
  from root gam
  Root: gam (class 1)

दीप्तानलविषोल्बणाः (dīptānalaviṣolbaṇāḥ) - emphasizing their highly potent and destructive venom (whose excessive venom was like blazing fire)

(adjective)

Nominative, masculine, plural of dīptānalaviṣolbaṇa

dīptānalaviṣolbaṇa - excessive with venom like blazing fire

Compound type : bahuvrīhi (dīptānala+viṣa+ulbaṇa)

• dīpta – blazing, shining
  adjective (masculine)
  past passive participle
  from root dīp
  Root: dīp (class 4)
• anala – fire
  noun (masculine)
• viṣa – poison, venom
  noun (neuter)
• ulbaṇa – excessive, abundant, prominent
  adjective (masculine)

दग्धाः (dagdhāḥ) - consumed in the sacrificial fire (burned, consumed by fire)

(adjective)

Nominative, masculine, plural of dagdha

dagdha - burned, scorched, consumed by fire

past passive participle

from root dah

Root: dah (class 1)

तत्र (tatra) - referring to the place of the great sacrifice (there, in that place)

(indeclinable)

महासत्रे (mahāsatre) - referring to Janamejaya's Sarpa Satra (in the great sacrifice)

(noun)

Locative, neuter, singular of mahāsatrā

mahāsatrā - great sacrifice

Compound type : karmadhāraya (mahā+satra)

• mahā – great, large
  adjective
• satra – sacrifice, sacrificial session
  noun (neuter)

ब्रह्मदण्डनिपीडिताः (brahmadaṇḍanipīḍitāḥ) - suffering from the divine punishment or curse that instigated the sacrifice (afflicted by the curse/power of Brahmā/Brahmanas)

(adjective)

Nominative, masculine, plural of brahmadaṇḍanipīḍita

brahmadaṇḍanipīḍita - afflicted by the curse/power of Brahmā/Brahmanas

Compound type : tatpuruṣa (brahmadaṇḍa+nipīḍita)

• brahman – Brahmin, sacred word, divine power
  noun (masculine)
• daṇḍa – stick, rod, punishment, scepter
  noun (masculine)
• nipīḍita – oppressed, tormented, afflicted
  adjective (masculine)
  past passive participle
  from ni-pra-īḍ
  Prefixes: ni+pra
  Root: īḍ (class 1)