महाभारतः mahābhārataḥ - book-3, chapter-48, verse-13

द्रुपदस्य तथा पुत्रा धृष्टद्युम्नपुरोगमाः ।
विराटो धृष्टकेतुश्च केकयाश्च महारथाः ॥१३॥

13. drupadasya tathā putrā dhṛṣṭadyumnapurogamāḥ ,
virāṭo dhṛṣṭaketuśca kekayāśca mahārathāḥ.

13. drupadasya tathā putrāḥ dhṛṣṭadyumnapurōgamāḥ
virāṭaḥ dhṛṣṭaketuḥ ca kekayāḥ ca mahārathāḥ

13. And the sons of Drupada, led by Dhṛṣṭadyumna, as well as Virāṭa, Dhṛṣṭaketu, and the Kekayas, who were great chariot warriors (mahārathas).

Words meanings summery:

• द्रुपदस्य (drupadasya) - of Drupada

• तथा (tathā) - and, thus, so, similarly

• पुत्राः (putrāḥ) - the sons of Drupada (sons)

• धृष्टद्युम्नपुर्ओगमाः (dhṛṣṭadyumnapurōgamāḥ) - having Dhṛṣṭadyumna as their leader, led by Dhṛṣṭadyumna

• विराटः (virāṭaḥ) - King Virāṭa of the Matsyas (Virāṭa (name of a king))

• धृष्टकेतुः (dhṛṣṭaketuḥ) - King Dhṛṣṭaketu, son of Śiśupāla (Dhṛṣṭaketu (name of a king))

• च (ca) - and

• केकयाः (kekayāḥ) - The kings or warriors from the Kekaya kingdom (the Kekayas)

• च (ca) - and

• महारथाः (mahārathāḥ) - great chariot warriors, great heroes

Words meanings and morphology

द्रुपदस्य (drupadasya) - of Drupada

(proper noun)

Genitive, masculine, singular of drupada

drupada - Drupada (name of the king of Pañcāla)

तथा (tathā) - and, thus, so, similarly

(indeclinable)

पुत्राः (putrāḥ) - the sons of Drupada (sons)

(noun)

Nominative, masculine, plural of putra

putra - son, child

धृष्टद्युम्नपुर्ओगमाः (dhṛṣṭadyumnapurōgamāḥ) - having Dhṛṣṭadyumna as their leader, led by Dhṛṣṭadyumna

(adjective)

Nominative, masculine, plural of dhṛṣṭadyumnapurōgama

dhṛṣṭadyumnapurōgama - having Dhṛṣṭadyumna as the one who goes before (leader)

Bahuvrīhi compound

Compound type : bahuvrīhi (dhṛṣṭadyumna+purōgama)

• dhṛṣṭadyumna – Dhṛṣṭadyumna (name of a son of Drupada)
  proper noun (masculine)
• purōgama – leader, one who goes before, chief
  noun (masculine)
  Derived from puras (before) and gam (to go)
  Prefix: puras
  Root: gam (class 1)

Note: Agrees with 'putrāḥ'

विराटः (virāṭaḥ) - King Virāṭa of the Matsyas (Virāṭa (name of a king))

(proper noun)

Nominative, masculine, singular of virāṭa

virāṭa - Virāṭa (name of a king of the Matsyas)

धृष्टकेतुः (dhṛṣṭaketuḥ) - King Dhṛṣṭaketu, son of Śiśupāla (Dhṛṣṭaketu (name of a king))

(proper noun)

Nominative, masculine, singular of dhṛṣṭaketu

dhṛṣṭaketu - Dhṛṣṭaketu (name of the king of Cedis, son of Śiśupāla)

च (ca) - and

(indeclinable)

केकयाः (kekayāḥ) - The kings or warriors from the Kekaya kingdom (the Kekayas)

(proper noun)

Nominative, masculine, plural of kekaya

kekaya - Kekaya (name of a country or its inhabitants/rulers)

च (ca) - and

(indeclinable)

महारथाः (mahārathāḥ) - great chariot warriors, great heroes

(noun)

Nominative, masculine, plural of mahāratha

mahāratha - a great warrior, a great hero, a chief charioteer

Compound of mahat (great) and ratha (chariot/warrior)

Compound type : karmadhāraya (mahat+ratha)

• mahat – great, large, mighty
  adjective (neuter)
• ratha – chariot; a charioteer; warrior
  noun (masculine)