महाभारतः mahābhārataḥ - book-8, chapter-21, verse-42

यक्षरक्षःपिशाचाश्च श्वापदानि च संघशः ।
जग्मुरायोधनं घोरं रुद्रस्यानर्तनोपमम् ॥४२॥

42. yakṣarakṣaḥpiśācāśca śvāpadāni ca saṁghaśaḥ ,
jagmurāyodhanaṁ ghoraṁ rudrasyānartanopamam.

42. yakṣarakṣaḥpiśācāḥ ca śvāpadāni ca saṅghaśaḥ
jagmuḥ āyodhanaṃ ghoraṃ rudrasya nartana upamam

42. yakṣarakṣaḥpiśācāḥ ca śvāpadāni ca saṅghaśaḥ
ghoraṃ rudrasya nartana upamam āyodhanaṃ jagmuḥ

42. Yaksha demons, Rākṣasa demons, Pishāca spirits, and predatory beasts, all in large groups, went to the dreadful battlefield, which resembled the terrifying dance of Rudra.

Words meanings summery:

• यक्षरक्षःपिशाचाः (yakṣarakṣaḥpiśācāḥ) - Yakshas, Rakshasas, and Pishachas

• च (ca) - and

• श्वापदानि (śvāpadāni) - predatory beasts, beasts of prey

• च (ca) - and

• सङ्घशः (saṅghaśaḥ) - in groups, in multitudes

• जग्मुः (jagmuḥ) - they went, they proceeded

• आयोधनं (āyodhanaṁ) - battlefield, place of combat

• घोरं (ghoraṁ) - dreadful, terrible, fearful

• रुद्रस्य (rudrasya) - of Lord Rudra (a form of Shiva) (of Rudra)

• नर्तन (nartana) - dance, act of dancing

• उपमम् (upamam) - resembling, similar to, like

Words meanings and morphology

यक्षरक्षःपिशाचाः (yakṣarakṣaḥpiśācāḥ) - Yakshas, Rakshasas, and Pishachas

(noun)

Nominative, masculine, plural of yakṣarakṣaḥpiśāca

yakṣarakṣaḥpiśāca - Yakshas, Rakshasas, and Pishachas (a class of supernatural beings)

Compound type : Dvandva (yakṣa+rakṣas+piśāca)

• yakṣa – Yaksha (a class of benevolent or malevolent nature-spirits)
  noun (masculine)
• rakṣas – Rakshasa (a class of malevolent demons or giants)
  noun (masculine)
  Root: rakṣ (class 1)
• piśāca – Pishacha (a class of flesh-eating demons or spirits)
  noun (masculine)

Note: Nominative plural of the compound noun.

च (ca) - and

(indeclinable)

Note: Conjunction.

श्वापदानि (śvāpadāni) - predatory beasts, beasts of prey

(noun)

Nominative, neuter, plural of śvāpada

śvāpada - beast of prey, predatory animal

Literally 'dog-footed' or 'having feet like a dog'.

Compound type : Tatpuruṣa (śvan+pada)

• śvan – dog
  noun (masculine)
• pada – foot, step, mark
  noun (neuter)
  Root: pad (class 4)

Note: Nominative plural.

च (ca) - and

(indeclinable)

Note: Conjunction.

सङ्घशः (saṅghaśaḥ) - in groups, in multitudes

(indeclinable)

Derived from 'saṅgha' (multitude, crowd) with the suffix 'śas' to form an adverb.

Note: Adverbial form.

जग्मुः (jagmuḥ) - they went, they proceeded

(verb)

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

Perfect Active

Perfect 3rd person plural of the root 'gam'.

Root: gam (class 1)

आयोधनं (āyodhanaṁ) - battlefield, place of combat

(noun)

Accusative, neuter, singular of āyodhana

āyodhana - battle, combat, battlefield

From prefix 'ā-' + root 'yudh' (to fight).

Prefix: ā

Root: yudh (class 4)

Note: Accusative singular.

घोरं (ghoraṁ) - dreadful, terrible, fearful

(adjective)

Accusative, neuter, singular of ghora

ghora - dreadful, terrible, fearful, formidable

Note: Accusative singular, agreeing with 'āyodhanaṃ'.

रुद्रस्य (rudrasya) - of Lord Rudra (a form of Shiva) (of Rudra)

(proper noun)

Genitive, masculine, singular of rudra

rudra - Rudra (a Vedic deity, later identified with Shiva), howling, roaring

Root: rud (class 2)

Note: Genitive singular.

नर्तन (nartana) - dance, act of dancing

(noun)

neuter, singular of nartana

nartana - dancing, gesticulation, dance

Verbal Noun

From root 'nṛt' (to dance) with suffix '-ana'.

Root: nṛt (class 4)

Note: Acts as the first part of an Upamā (simile) compound with 'upamam'.

उपमम् (upamam) - resembling, similar to, like

(adjective)

Accusative, neuter, singular of upama

upama - comparison, simile, resembling, similar

Prefix: upa

Root: mā (class 2)

Note: Accusative singular, agreeing with 'āyodhanaṃ'. Forms a simile 'rudrasya nartanopamam' (like Rudra's dance).