महाभारतः mahābhārataḥ - book-7, chapter-141, verse-28

ततः प्रववृते युद्धं द्रौणिराक्षसयोर्मृधे ।
विगाढे रजनीमध्ये शक्रप्रह्रादयोरिव ॥२८॥

28. tataḥ pravavṛte yuddhaṁ drauṇirākṣasayormṛdhe ,
vigāḍhe rajanīmadhye śakraprahrādayoriva.

28. tataḥ pravavṛte yuddham drauṇirākṣasayoḥ mṛdhe
vigāḍhe rajanīmadhye śakraprahrādayoḥ iva

28. tataḥ rajanīmadhye vigāḍhe drauṇirākṣasayoḥ
mṛdhe yuddham śakraprahrādayoḥ iva pravavṛte

28. Then, as night deepened, a fierce battle commenced between Droṇa's son (Ashvatthama) and the Rākṣasa (Ghaṭotkaca), just like the conflict between Indra and Prahlāda.

Words meanings summery:

• ततः (tataḥ) - then, thereafter (then, thereafter, from that)

• प्रववृते (pravavṛte) - commenced, began (commenced, began, turned forward)

• युद्धम् (yuddham) - battle (battle, fight, war)

• द्रौणिराक्षसयोः (drauṇirākṣasayoḥ) - between Droṇa's son (Ashvatthama) and the Rākṣasa (Ghaṭotkaca) (of Droni's son and the Rakshasa)

• मृधे (mṛdhe) - in the fight (in battle, in conflict)

• विगाढे (vigāḍhe) - deep (referring to night) (deeply entered, immersed, deep)

• रजनीमध्ये (rajanīmadhye) - in the middle of the night

• शक्रप्रह्रादयोः (śakraprahrādayoḥ) - between Indra and Prahlāda (of Indra and Prahlada)

• इव (iva) - just like (like, as, as if)

Words meanings and morphology

ततः (tataḥ) - then, thereafter (then, thereafter, from that)

(indeclinable)

derived from tad (that)

प्रववृते (pravavṛte) - commenced, began (commenced, began, turned forward)

(verb)

3rd person , singular, active, perfect (Lit) of pravavṛta

perfect active (ātmanepada)

Perfect 3rd person singular, ātmanepada of pra-√vṛt (class 1, also ātmanepada in perfect)

Prefix: pra

Root: vṛt (class 1)

युद्धम् (yuddham) - battle (battle, fight, war)

(noun)

Nominative, neuter, singular of yuddha

yuddha - battle, fight, war

Root: yudh (class 4)

Note: Can also be accusative singular. Here, nominative as subject of pravavṛte.

द्रौणिराक्षसयोः (drauṇirākṣasayoḥ) - between Droṇa's son (Ashvatthama) and the Rākṣasa (Ghaṭotkaca) (of Droni's son and the Rakshasa)

(noun)

Genitive, masculine, dual of drauṇirākṣasa

drauṇirākṣasa - Droṇa's son and a Rakshasa

Compound type : dvandva (drauṇi+rākṣasa)

• drauṇi – son of Droṇa, Ashvatthama
  proper noun (masculine)
  patronymic from Droṇa
• rākṣasa – a demon, a giant, a Rakshasa
  noun (masculine)

Note: Can also be locative dual. Here, genitive indicating "between them".

मृधे (mṛdhe) - in the fight (in battle, in conflict)

(noun)

Locative, feminine, singular of mṛdh

mṛdh - battle, combat, contest

Root: mṛdh

विगाढे (vigāḍhe) - deep (referring to night) (deeply entered, immersed, deep)

(adjective)

Locative, feminine, singular of vigāḍha

vigāḍha - entered into, penetrated, deep, profound

Past Passive Participle

from vi-√gah (to penetrate, plunge into)

Prefix: vi

Root: gah (class 1)

Note: Masculine/neuter base form is vigāḍha. Feminine is vigāḍhā. Here, it is vigāḍhe (locative singular feminine) agreeing with rajanī.

रजनीमध्ये (rajanīmadhye) - in the middle of the night

(noun)

Locative, neuter, singular of rajanīmadhya

rajanīmadhya - middle of the night

Compound type : tatpuruṣa (rajanī+madhya)

• rajanī – night
  noun (feminine)
• madhya – middle, center
  noun (neuter)

शक्रप्रह्रादयोः (śakraprahrādayoḥ) - between Indra and Prahlāda (of Indra and Prahlada)

(proper noun)

Genitive, masculine, dual of śakraprahrāda

śakraprahrāda - Indra and Prahlada

Compound type : dvandva (śakra+prahrāda)

• śakra – Indra (king of gods)
  proper noun (masculine)
• prahrāda – Prahlāda (a demon prince devoted to Vishnu)
  proper noun (masculine)

इव (iva) - just like (like, as, as if)

(indeclinable)