महाभारतः mahābhārataḥ - book-7, chapter-24, verse-21

तदुत्पिञ्जलकं युद्धमासीद्देवासुरोपमम् ।
मत्स्यानां केकयैः सार्धमभीताश्वरथद्विपम् ॥२१॥

21. tadutpiñjalakaṁ yuddhamāsīddevāsuropamam ,
matsyānāṁ kekayaiḥ sārdhamabhītāśvarathadvipam.

21. tat utpiñjalakam yuddham āsīt devāsurupamam
matsyānām kekayaiḥ sārdham abhītāśvarathadvipam

21. tat utpiñjalakam yuddham matsyānām kekayaiḥ sārdham devāsurupamam āsīt abhītāśvarathadvipam (ca āsīt).

21. That tumultuous battle, resembling one between gods and demons, involved the Matsyas fighting alongside the Kekayas, with horses, chariots, and elephants showing no fear.

Words meanings summery:

• तत् (tat) - that

• उत्पिञ्जलकम् (utpiñjalakam) - tumultuous, chaotic, confused

• युद्धम् (yuddham) - battle, fight, war

• आसीत् (āsīt) - was, existed

• देवासुरुपमम् (devāsurupamam) - like a battle between gods (devas) and demons (asuras) (resembling gods and demons)

• मत्स्यानाम् (matsyānām) - of the Matsyas

• केकयैः (kekayaiḥ) - by/with the Kekayas

• सार्धम् (sārdham) - with, along with, together with

• अभीताश्वरथद्विपम् (abhītāśvarathadvipam) - where horses, chariots, and elephants were fearless

Words meanings and morphology

तत् (tat) - that

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

उत्पिञ्जलकम् (utpiñjalakam) - tumultuous, chaotic, confused

(adjective)

Nominative, neuter, singular of utpiñjalaka

utpiñjalaka - tumultuous, confused, turbulent, noisy

Note: Agrees with yuddham

युद्धम् (yuddham) - battle, fight, war

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war

From root yudh- 'to fight'

Root: yudh (class 4)

आसीत् (āsīt) - was, existed

(verb)

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

Imperfect Active

3rd person singular imperfect active

Root: as (class 2)

देवासुरुपमम् (devāsurupamam) - like a battle between gods (devas) and demons (asuras) (resembling gods and demons)

(adjective)

Nominative, neuter, singular of devāsurupama

devāsurupama - similar to a god-demon conflict

Compound type : tatpuruṣa (deva+asura+upama)

• deva – god, deity
  noun (masculine)
• asura – demon
  noun (masculine)
• upama – similar, resembling, like
  adjective (masculine)

Note: Agrees with yuddham

मत्स्यानाम् (matsyānām) - of the Matsyas

(proper noun)

Genitive, masculine, plural of matsya

matsya - fish; the Matsya kingdom or its people

केकयैः (kekayaiḥ) - by/with the Kekayas

(proper noun)

Instrumental, masculine, plural of kekaya

kekaya - Kekaya (name of an ancient tribe or kingdom)

सार्धम् (sārdham) - with, along with, together with

(indeclinable)

अभीताश्वरथद्विपम् (abhītāśvarathadvipam) - where horses, chariots, and elephants were fearless

(adjective)

Nominative, neuter, singular of abhītāśvarathadvipa

abhītāśvarathadvipa - having fearless horses, chariots, and elephants

Compound type : bahuvrīhi (abhīta+aśva+ratha+dvipa)

• abhīta – fearless, unafraid
  adjective (masculine)
  Past Passive Participle
  From root bhī- 'to fear' with negative prefix a-
  Prefix: a
  Root: bhī (class 3)
• aśva – horse
  noun (masculine)
• ratha – chariot
  noun (masculine)
• dvipa – elephant
  noun (masculine)

Note: Agrees with yuddham