महाभारतः mahābhārataḥ - book-6, chapter-66, verse-2

पूर्वाह्णे तन्महारौद्रं राज्ञां युद्धमवर्तत ।
कुरूणां पाण्डवानां च मुख्यशूरविनाशनम् ॥२॥

2. pūrvāhṇe tanmahāraudraṁ rājñāṁ yuddhamavartata ,
kurūṇāṁ pāṇḍavānāṁ ca mukhyaśūravināśanam.

2. pūrvāhṇe tat mahāraudraṃ rājñām yuddham avartata
kurūṇām pāṇḍavānām ca mukhyaśūravināśanam

2. pūrvāhṇe tat mahāraudraṃ kurūṇām pāṇḍavānām ca
mukhyaśūravināśanam rājñām yuddham avartata

2. That extremely fierce battle of the kings, which caused the destruction of principal warriors among both the Kurus and the Pandavas, took place in the forenoon.

Words meanings summery:

• पूर्वाह्णे (pūrvāhṇe) - in the forenoon

• तत् (tat) - that

• महारौद्रं (mahāraudraṁ) - extremely fierce, very dreadful

• राज्ञाम् (rājñām) - of kings

• युद्धम् (yuddham) - battle, war

• अवर्तत (avartata) - took place, occurred, happened

• कुरूणाम् (kurūṇām) - of the Kurus

• पाण्डवानाम् (pāṇḍavānām) - of the Pandavas

• च (ca) - and

• मुख्यशूरविनाशनम् (mukhyaśūravināśanam) - causing the destruction of chief heroes, destroying principal warriors

Words meanings and morphology

पूर्वाह्णे (pūrvāhṇe) - in the forenoon

(noun)

Locative, masculine, singular of pūrvāhṇa

pūrvāhṇa - forenoon, morning

Compound type : tatpurusha (pūrva+ahṇa)

• pūrva – former, prior, eastern, first
  adjective (masculine)
• ahṇa – day, daytime
  noun (masculine)

तत् (tat) - that

(pronoun)

Nominative, neuter, singular of tad

tad - that, that one

Note: Agrees with yuddham.

महारौद्रं (mahāraudraṁ) - extremely fierce, very dreadful

(adjective)

Nominative, neuter, singular of mahāraudra

mahāraudra - very fierce, extremely dreadful

Compound type : karmadhāraya (mahā+raudra)

• mahā – great, mighty
  adjective (feminine)
• raudra – fierce, dreadful, Shiva-like (related to Rudra)
  adjective (neuter)

Note: Agrees with yuddham.

राज्ञाम् (rājñām) - of kings

(noun)

Genitive, masculine, plural of rājan

rājan - king, ruler

युद्धम् (yuddham) - battle, war

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war

Past Passive Participle

From root yudh (to fight) + kta suffix, used as a noun.

Root: yudh (class 4)

Note: Subject of avartata.

अवर्तत (avartata) - took place, occurred, happened

(verb)

3rd person , singular, middle, imperfect (laṅ) of vṛt

Imperfect Middle Third Person Singular

a- (augment for imperfect) + vart (strengthened root) + a (thematic vowel) + ta (middle ending, 3rd sing).

Root: vṛt (class 1)

कुरूणाम् (kurūṇām) - of the Kurus

(proper noun)

Genitive, masculine, plural of kuru

kuru - Kuru (name of an ancient king and his dynasty)

पाण्डवानाम् (pāṇḍavānām) - of the Pandavas

(proper noun)

Genitive, masculine, plural of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, Pandava

Derived from Pāṇḍu + aṇ suffix.

च (ca) - and

(indeclinable)

मुख्यशूरविनाशनम् (mukhyaśūravināśanam) - causing the destruction of chief heroes, destroying principal warriors

(adjective)

Nominative, neuter, singular of mukhyaśūravināśana

mukhyaśūravināśana - causing the destruction of chief heroes

Compound type : tatpurusha (mukhyaśūra+vināśana)

• mukhyaśūra – chief hero, principal warrior
  noun (masculine)
• vināśana – destruction, causing destruction, destroying
  noun (neuter)
  Noun derived from vi-naś root + lyuṭ suffix.
  Prefix: vi
  Root: naś (class 4)

Note: Agrees with yuddham.