महाभारतः mahābhārataḥ - book-6, chapter-54, verse-12

तत्रासीत्सुमहद्युद्धं तुमुलं लोमहर्षणम् ।
यथा देवासुरं युद्धं पूर्वमासीत्सुदारुणम् ॥१२॥

12. tatrāsītsumahadyuddhaṁ tumulaṁ lomaharṣaṇam ,
yathā devāsuraṁ yuddhaṁ pūrvamāsītsudāruṇam.

12. tatra āsīt sumahat yuddham tumulam lomaharṣaṇam
yathā devāsuram yuddham pūrvam āsīt sudāruṇam

12. tatra sumahat tumulam lomaharṣaṇam yuddham āsīt
yathā pūrvam devāsuram sudāruṇam yuddham āsīt

12. There was a very great battle, tumultuous and hair-raising, just like the extremely terrible battle between the gods and demons that occurred previously.

Words meanings summery:

• तत्र (tatra) - there, in that place

• आसीत् (āsīt) - was, existed

• सुमहत् (sumahat) - very great, very large

• युद्धम् (yuddham) - battle, war

• तुमुलम् (tumulam) - tumultuous, fierce, dreadful

• लोमहर्षणम् (lomaharṣaṇam) - hair-raising, horrifying

• यथा (yathā) - just as, like, as

• देवासुरम् (devāsuram) - between gods and demons, divine-demonic

• युद्धम् (yuddham) - battle, war

• पूर्वम् (pūrvam) - formerly, previously, anciently

• आसीत् (āsīt) - was, existed

• सुदारुणम् (sudāruṇam) - very terrible, extremely dreadful

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

आसीत् (āsīt) - was, existed

(verb)

3rd person , singular, active, past imperfect (laṅ) of as

Imperfect 3rd person singular, active voice of root as

Root: as (class 2)

सुमहत् (sumahat) - very great, very large

(adjective)

Nominative, neuter, singular of sumahat

sumahat - very great, magnificent, excellent

Compound type : Pra-ādi (su+mahat)

• su – good, well, very, exceedingly
  indeclinable
• mahat – great, large, mighty, considerable
  adjective

युद्धम् (yuddham) - battle, war

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war

तुमुलम् (tumulam) - tumultuous, fierce, dreadful

(adjective)

Nominative, neuter, singular of tumula

tumula - tumultuous, noisy, fierce, dreadful

लोमहर्षणम् (lomaharṣaṇam) - hair-raising, horrifying

(adjective)

Nominative, neuter, singular of lomaharṣaṇa

lomaharṣaṇa - causing the hair to stand on end, thrilling, horrifying

Causal Agent Noun / Adjective

Derived from loman (hair) and harṣaṇa (causing to bristle/thrill)

Compound type : Tatpurusha (loman+harṣaṇa)

• loman – hair, down, wool
  noun (neuter)
• harṣaṇa – causing excitement, thrilling, causing to stand on end
  noun
  Causal Agent Noun / Adjective
  Derived from the causative stem of root hṛṣ
  Root: hṛṣ (class 1)

यथा (yathā) - just as, like, as

(indeclinable)

देवासुरम् (devāsuram) - between gods and demons, divine-demonic

(adjective)

Nominative, neuter, singular of devāsura

devāsura - gods and demons (collectively or as a dual opposition)

Compound type : Dvandva (deva+asura)

• deva – god, deity
  noun (masculine)
• asura – demon, anti-god
  noun (masculine)

युद्धम् (yuddham) - battle, war

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war

पूर्वम् (pūrvam) - formerly, previously, anciently

(indeclinable)

आसीत् (āsīt) - was, existed

(verb)

3rd person , singular, active, past imperfect (laṅ) of as

Imperfect 3rd person singular, active voice of root as

Root: as (class 2)

सुदारुणम् (sudāruṇam) - very terrible, extremely dreadful

(adjective)

Nominative, neuter, singular of sudāruṇa

sudāruṇa - very terrible, exceedingly dreadful, utterly fierce

Compound type : Pra-ādi (su+dāruṇa)

• su – very, exceedingly, well
  indeclinable
• dāruṇa – terrible, dreadful, fierce, cruel
  adjective