महाभारतः mahābhārataḥ - book-6, chapter-73, verse-50

अथ प्रत्यागतप्राणास्तव पुत्रा महारथाः ।
पुनर्युद्धाय समरे प्रययुर्भीमपार्षतौ ॥५०॥

50. atha pratyāgataprāṇāstava putrā mahārathāḥ ,
punaryuddhāya samare prayayurbhīmapārṣatau.

50. atha pratyāgataprāṇāḥ tava putrāḥ mahārathāḥ
punaḥ yuddhāya samare prayayuḥ bhīmapārṣatau

50. atha tava putrāḥ mahārathāḥ pratyāgataprāṇāḥ
punaḥ samare yuddhāya bhīmapārṣatau prayayuḥ

50. Then your sons, the great charioteers, having regained their courage, went forth again into battle against Bhīma and Pārṣata (Dhṛṣṭadyumna).

Words meanings summery:

• अथ (atha) - then, now, thereupon

• प्रत्यागतप्राणाः (pratyāgataprāṇāḥ) - having regained their life/breath/courage

• तव (tava) - your

• पुत्राः (putrāḥ) - sons

• महारथाः (mahārathāḥ) - great charioteers, great warriors

• पुनः (punaḥ) - again, anew, back

• युद्धाय (yuddhāya) - for battle, for war

• समरे (samare) - in battle, in the war

• प्रययुः (prayayuḥ) - they went forth, they proceeded

• भीमपार्षतौ (bhīmapārṣatau) - Bhīma and Pārṣata (Dhṛṣṭadyumna)

Words meanings and morphology

अथ (atha) - then, now, thereupon

(indeclinable)

प्रत्यागतप्राणाः (pratyāgataprāṇāḥ) - having regained their life/breath/courage

(adjective)

Nominative, masculine, plural of pratyāgataprāṇa

pratyāgataprāṇa - one whose life/breath/courage has returned, reinvigorated

Compound

Compound type : bahuvrihi (prati+āgata+prāṇa)

• prati – back, against, towards
  indeclinable
• āgata – returned, come back, arrived
  adjective (masculine)
  Past Passive Participle
  Derived from prefix ā- + root gam + suffix -kta
  Prefix: ā
  Root: gam (class 1)
• prāṇa – breath, life-force, vital air
  noun (masculine)

तव (tava) - your

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

पुत्राः (putrāḥ) - sons

(noun)

Nominative, masculine, plural of putra

putra - son, child

महारथाः (mahārathāḥ) - great charioteers, great warriors

(noun)

Nominative, masculine, plural of mahāratha

mahāratha - great warrior, great charioteer, a warrior capable of fighting thousands

Compound type : karmadharaya (mahā+ratha)

• mahā – great, large, mighty
  adjective
• ratha – chariot, warrior (in a chariot)
  noun (masculine)

पुनः (punaḥ) - again, anew, back

(indeclinable)

युद्धाय (yuddhāya) - for battle, for war

(noun)

Dative, neuter, singular of yuddha

yuddha - battle, fight, war, combat

समरे (samare) - in battle, in the war

(noun)

Locative, masculine, singular of samara

samara - battle, war, conflict

प्रययुः (prayayuḥ) - they went forth, they proceeded

(verb)

3rd person , plural, active, perfect (lit) of pra-yā

Prefix: pra

Root: yā (class 2)

भीमपार्षतौ (bhīmapārṣatau) - Bhīma and Pārṣata (Dhṛṣṭadyumna)

(proper noun)

Accusative, masculine, dual of bhīmapārṣata

bhīmapārṣata - Bhīma and Dhṛṣṭadyumna (Pārṣata)

Compound type : dvandva (bhīma+pārṣata)

• bhīma – Bhīma (a proper name, one of the Pāṇḍavas)
  proper noun (masculine)
• pārṣata – Pārṣata (a proper name, referring to Dhṛṣṭadyumna, son of Drupada)
  proper noun (masculine)