महाभारतः mahābhārataḥ - book-1, chapter-59, verse-31

क्रूरस्वभावं क्रूरायाः पुत्रपौत्रमनन्तकम् ।
गणः क्रोधवशो नाम क्रूरकर्मारिमर्दनः ॥३१॥

31. krūrasvabhāvaṁ krūrāyāḥ putrapautramanantakam ,
gaṇaḥ krodhavaśo nāma krūrakarmārimardanaḥ.

31. krūrasvabhāvam krūrāyāḥ putrapautram anantakam
gaṇaḥ krodhavaśaḥ nāma krūrakarmārimardanaḥ

31. The cruel-natured, countless sons and grandsons of Krūrā; a multitude by the name of Krodhavaśa, whose cruel deeds crush enemies.

Words meanings summery:

• क्रूरस्वभावम् (krūrasvabhāvam) - cruel-natured (of cruel nature)

• क्रूरायाः (krūrāyāḥ) - of Krūrā (a demoness) (of Krūrā)

• पुत्रपौत्रम् (putrapautram) - the offspring (sons and grandsons) collectively (sons and grandsons)

• अनन्तकम् (anantakam) - countless (endless, countless)

• गणः (gaṇaḥ) - a multitude (of demons) (host, multitude, group)

• क्रोधवशः (krodhavaśaḥ) - Krodhavaśa (the name of this group/multitude) (controlled by anger; Krodhavaśa (name))

• नाम (nāma) - by name (by name, indeed)

• क्रूरकर्मारिमर्दनः (krūrakarmārimardanaḥ) - whose cruel deeds crush enemies (epithet for Krodhavaśa) (whose cruel deeds crush enemies)

Words meanings and morphology

क्रूरस्वभावम् (krūrasvabhāvam) - cruel-natured (of cruel nature)

(adjective)

Accusative, neuter, singular of krūrasvabhāva

krūrasvabhāva - of cruel nature, cruel-minded

Compound type : karmadhāraya (krūra+svabhāva)

• krūra – cruel, fierce, harsh
  adjective
• svabhāva – one's own nature, inherent disposition
  noun (masculine)

Note: Agrees with 'putrapautram' which is used here as a collective neuter singular.

क्रूरायाः (krūrāyāḥ) - of Krūrā (a demoness) (of Krūrā)

(noun)

Genitive, feminine, singular of krūrā

krūrā - Krūrā (name of a demoness); cruel, fierce woman

पुत्रपौत्रम् (putrapautram) - the offspring (sons and grandsons) collectively (sons and grandsons)

(noun)

Accusative, neuter, singular of putrapautra

putrapautra - sons and grandsons; offspring

Compound type : itaretara dvandva (putra+pautra)

• putra – son, child
  noun (masculine)
• pautra – grandson, son's son, descendant
  noun (masculine)

अनन्तकम् (anantakam) - countless (endless, countless)

(adjective)

Accusative, neuter, singular of anantaka

anantaka - endless, limitless, infinite, countless

negative prefix an- + antaka

Compound type : nañ-tatpuruṣa (an+antaka)

• an – not, non-, un-
  indeclinable
• antaka – ending, destroyer, causing death
  adjective (masculine)
  agent noun
  from anta (end) + ka

Note: Agrees with 'putrapautram' which is used here as a collective neuter singular.

गणः (gaṇaḥ) - a multitude (of demons) (host, multitude, group)

(noun)

Nominative, masculine, singular of gaṇa

gaṇa - troop, multitude, host, group, collection

क्रोधवशः (krodhavaśaḥ) - Krodhavaśa (the name of this group/multitude) (controlled by anger; Krodhavaśa (name))

(noun)

Nominative, masculine, singular of krodhavaśa

krodhavaśa - controlled by anger; name of a class of demons, or a specific demon

Compound type : tatpuruṣa (krodha+vaśa)

• krodha – anger, wrath
  noun (masculine)
• vaśa – will, power, control
  noun (masculine)

नाम (nāma) - by name (by name, indeed)

(indeclinable)

क्रूरकर्मारिमर्दनः (krūrakarmārimardanaḥ) - whose cruel deeds crush enemies (epithet for Krodhavaśa) (whose cruel deeds crush enemies)

(noun)

Nominative, masculine, singular of krūrakarmārimardana

krūrakarmārimardana - one whose cruel actions crush foes; cruel-deed-enemy-crusher

Compound type : bahuvrīhi (krūrakarman+arimardana)

• krūrakarman – cruel deed, fierce action
  noun (neuter)
• arimardana – enemy-crushing, slayer of foes
  noun (masculine)
  action noun
  from ari + √mṛd
  Root: mṛd (class 7)