महाभारतः mahābhārataḥ - book-7, chapter-129, verse-34

रात्रियुद्धे तदा घोरे वर्तमाने सुदारुणे ।
द्रोणमभ्यद्रवन्क्रुद्धाः सहिताः पाण्डुसृञ्जयाः ॥३४॥

34. rātriyuddhe tadā ghore vartamāne sudāruṇe ,
droṇamabhyadravankruddhāḥ sahitāḥ pāṇḍusṛñjayāḥ.

34. rātri-yuddhe tadā ghore vartamāne su-dāruṇe droṇam
abhi-adravan kruddhāḥ sahitāḥ pāṇḍu-sṛñjayāḥ

34. tadā ghore su-dāruṇe rātri-yuddhe vartamāne
kruddhāḥ sahitāḥ pāṇḍu-sṛñjayāḥ droṇam abhi-adravan

34. Then, as that dreadful and extremely terrible night battle was raging, the enraged Pandavas and Srinjayas, united, rushed towards Drona.

Words meanings summery:

• रात्रि-युद्धे (rātri-yuddhe) - in the night battle

• तदा (tadā) - then, at that time

• घोरे (ghore) - dreadful, terrible

• वर्तमाने (vartamāne) - while raging, existing, being

• सु-दारुणे (su-dāruṇe) - extremely terrible, very fierce

• द्रोणम् (droṇam) - Drona

• अभि-अद्रवन् (abhi-adravan) - they rushed towards

• क्रुद्धाः (kruddhāḥ) - enraged, angry

• सहिताः (sahitāḥ) - united, accompanied, together

• पाण्डु-सृञ्जयाः (pāṇḍu-sṛñjayāḥ) - the Pandavas and Srinjayas

Words meanings and morphology

रात्रि-युद्धे (rātri-yuddhe) - in the night battle

(noun)

Locative, neuter, singular of rātri-yuddha

rātri-yuddha - night battle

Compound type : tatpurusha (rātri+yuddha)

• rātri – night
  noun (feminine)
• yuddha – battle, fight
  noun (neuter)

तदा (tadā) - then, at that time

(indeclinable)

घोरे (ghore) - dreadful, terrible

(adjective)

Locative, neuter, singular of ghora

ghora - dreadful, terrible, fierce, awful

वर्तमाने (vartamāne) - while raging, existing, being

(adjective)

Locative, neuter, singular of vartamāna

vartamāna - present, existing, being, happening

Present Active Participle

Present participle of root 'vṛt' (to turn, to be, to exist).

Root: vṛt (class 1)

सु-दारुणे (su-dāruṇe) - extremely terrible, very fierce

(adjective)

Locative, neuter, singular of su-dāruṇa

su-dāruṇa - very terrible, exceedingly dreadful

Intensifying prefix 'su-' combined with 'dāruṇa'.

Compound type : pravrddhādi (su+dāruṇa)

• su – good, well, excellent, very
  indeclinable
  Prefix: su
• dāruṇa – terrible, dreadful, fierce
  adjective

द्रोणम् (droṇam) - Drona

(proper noun)

Accusative, masculine, singular of droṇa

droṇa - Drona (a revered teacher and warrior in the Mahabharata)

अभि-अद्रवन् (abhi-adravan) - they rushed towards

(verb)

3rd person , plural, active, past imperfect (laṅ) of dru

Imperfect tense (laṅ) with augment 'a-' and prefix 'abhi'.

Prefix: abhi

Root: dru (class 1)

क्रुद्धाः (kruddhāḥ) - enraged, angry

(adjective)

Nominative, masculine, plural of kruddha

kruddha - angry, enraged, provoked

Past Passive Participle

PPP from root 'krudh' (to be angry).

Root: krudh (class 4)

सहिताः (sahitāḥ) - united, accompanied, together

(adjective)

Nominative, masculine, plural of sahita

sahita - accompanied, joined with, together

Past Passive Participle

Derived from prefix 'sa-' (with) and 'hita' (placed, joined, from root 'dhā').

Prefix: sa

Root: dhā (class 3)

पाण्डु-सृञ्जयाः (pāṇḍu-sṛñjayāḥ) - the Pandavas and Srinjayas

(proper noun)

Nominative, masculine, plural of pāṇḍu-sṛñjaya

pāṇḍu-sṛñjaya - the Pandavas and the Srinjayas (allied clans)

Compound type : dvandva (pāṇḍu+sṛñjaya)

• pāṇḍu – Pandu (the father of the Pandavas, or the Pandavas collectively)
  proper noun (masculine)
• sṛñjaya – Srinjaya (name of a king/clan, allies of the Pandavas)
  proper noun (masculine)