महाभारतः mahābhārataḥ - book-6, chapter-43, verse-51

विरथावसियुद्धाय समीयतुरमर्षणौ ।
तयोस्तदभवद्युद्धं घोररूपं सुदारुणम् ॥५१॥

51. virathāvasiyuddhāya samīyaturamarṣaṇau ,
tayostadabhavadyuddhaṁ ghorarūpaṁ sudāruṇam.

51. virathau asiyuddhāya samīyatuḥ amarṣaṇau
tayoḥ tat abhavat yuddham ghorarūpam sudāruṇam

51. virathau amarṣaṇau asiyuddhāya samīyatuḥ
tayoḥ tat yuddham ghorarūpam sudāruṇam abhavat

51. Those two (Kṛpa and Kekaya), now chariotless and enraged, met for a sword-fight. The battle that ensued between them was of dreadful form and exceedingly fierce.

Words meanings summery:

• विरथौ (virathau) - chariotless, without a chariot

• असियुद्धाय (asiyuddhāya) - for a sword-fight

• समीयतुः (samīyatuḥ) - they two approached, they two met

• अमर्षणौ (amarṣaṇau) - intolerant, enraged, furious

• तयोः (tayoḥ) - of Kṛpa and the Kekaya king (of those two)

• तत् (tat) - that (battle) (that, it)

• अभवत् (abhavat) - it became, it happened

• युद्धम् (yuddham) - battle, fight

• घोररूपम् (ghorarūpam) - of dreadful form, terrible-looking

• सुदारुणम् (sudāruṇam) - very terrible, exceedingly fierce

Words meanings and morphology

विरथौ (virathau) - chariotless, without a chariot

(adjective)

Nominative, masculine, dual of viratha

viratha - without a chariot, chariotless

Compound type : bahuvrīhi (vi+ratha)

• vi – without, apart, away
  indeclinable
• ratha – chariot, car
  noun (masculine)

असियुद्धाय (asiyuddhāya) - for a sword-fight

(noun)

Dative, neuter, singular of asiyuddha

asiyuddha - sword-fight, combat with swords

Compound type : tatpuruṣa (asi+yuddha)

• asi – sword, scimitar
  noun (masculine)
• yuddha – fight, battle, war
  noun (neuter)

समीयतुः (samīyatuḥ) - they two approached, they two met

(verb)

3rd person , dual, active, perfect (lit) of i

Root 'i' with prefixes 'sam' and 'ā'

Prefixes: sam+ā

Root: i (class 2)

अमर्षणौ (amarṣaṇau) - intolerant, enraged, furious

(adjective)

Nominative, masculine, dual of amarṣaṇa

amarṣaṇa - intolerant, impatient, enraged, furious

तयोः (tayoḥ) - of Kṛpa and the Kekaya king (of those two)

(pronoun)

Genitive, masculine, dual of tad

tad - that, those; he, she, it

तत् (tat) - that (battle) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

अभवत् (abhavat) - it became, it happened

(verb)

3rd person , singular, active, imperfect (laṅ) of bhū

Root: bhū (class 1)

युद्धम् (yuddham) - battle, fight

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war

घोररूपम् (ghorarūpam) - of dreadful form, terrible-looking

(adjective)

Nominative, neuter, singular of ghorarūpa

ghorarūpa - of dreadful form, terrible-looking

Compound type : bahuvrīhi (ghora+rūpa)

• ghora – dreadful, terrible, fierce
  adjective
• rūpa – form, shape, appearance, nature
  noun (neuter)

सुदारुणम् (sudāruṇam) - very terrible, exceedingly fierce

(adjective)

Nominative, neuter, singular of sudāruṇa

sudāruṇa - very terrible, exceedingly fierce, most cruel

Compound type : karmadhāraya (su+dāruṇa)

• su – good, well, very, exceedingly
  indeclinable
• dāruṇa – terrible, dreadful, harsh, cruel
  adjective (neuter)