महाभारतः mahābhārataḥ - book-5, chapter-56, verse-4

अक्षौहिण्याथ पाञ्चाल्यो दशभिस्तनयैर्वृतः ।
सत्यजित्प्रमुखैर्वीरैर्धृष्टद्युम्नपुरोगमैः ॥४॥

4. akṣauhiṇyātha pāñcālyo daśabhistanayairvṛtaḥ ,
satyajitpramukhairvīrairdhṛṣṭadyumnapurogamaiḥ.

4. akṣauhiṇyā atha pāñcālyaḥ daśabhiḥ tanayaiḥ vṛtaḥ
satyajitpramukhaiḥ vīraiḥ dhṛṣṭadyumnapurogamaiḥ

4. Then, Drupada, the king of Pañcāla, arrived with an akṣauhiṇī (army division), accompanied by his ten heroic sons, led by Satyajit and with Dhṛṣṭadyumna at the forefront.

Words meanings summery:

• अक्षौहिण्या (akṣauhiṇyā) - with an akṣauhiṇī (a large division of an army) (with an akṣauhiṇī)

• अथ (atha) - then (then, now, moreover)

• पाञ्चाल्यः (pāñcālyaḥ) - King Drupada, the ruler of Pañcāla (the king of Pañcāla, Drupada)

• दशभिः (daśabhiḥ) - by ten

• तनयैः (tanayaiḥ) - by sons

• वृतः (vṛtaḥ) - accompanied (surrounded, encompassed, accompanied)

• सत्यजित्प्रमुखैः (satyajitpramukhaiḥ) - by those led by Satyajit

• वीरैः (vīraiḥ) - heroic sons (by heroes, by brave ones)

• धृष्टद्युम्नपुरोगमैः (dhṛṣṭadyumnapurogamaiḥ) - with Dhṛṣṭadyumna at the forefront (by those having Dhṛṣṭadyumna at the forefront, by those led by Dhṛṣṭadyumna)

Words meanings and morphology

अक्षौहिण्या (akṣauhiṇyā) - with an akṣauhiṇī (a large division of an army) (with an akṣauhiṇī)

(noun)

Instrumental, feminine, singular of akṣauhiṇī

akṣauhiṇī - a division of an army, consisting of 21,870 chariots, 21,870 elephants, 65,610 horses, and 109,350 foot soldiers

अथ (atha) - then (then, now, moreover)

(indeclinable)

पाञ्चाल्यः (pāñcālyaḥ) - King Drupada, the ruler of Pañcāla (the king of Pañcāla, Drupada)

(proper noun)

Nominative, masculine, singular of pāñcālya

pāñcālya - a king of Pañcāla, descendant of Pañcāla

दशभिः (daśabhiḥ) - by ten

(numeral)

तनयैः (tanayaiḥ) - by sons

(noun)

Instrumental, masculine, plural of tanaya

tanaya - son, offspring

Root: tan (class 8)

वृतः (vṛtaḥ) - accompanied (surrounded, encompassed, accompanied)

(adjective)

Nominative, masculine, singular of vṛta

vṛta - surrounded, chosen, covered, appointed, gone

Past Passive Participle

From root √vṛ (to cover, surround, choose).

Root: vṛ (class 5)

सत्यजित्प्रमुखैः (satyajitpramukhaiḥ) - by those led by Satyajit

(adjective)

Instrumental, masculine, plural of satyajitpramukha

satyajitpramukha - led by Satyajit, with Satyajit as chief

Compound type : Bahuvrīhi (satyajit+pramukha)

• satyajit – victorious in truth, name of a warrior
  proper noun (masculine)
• pramukha – chief, foremost, led by, having at the head
  adjective (masculine)
  From pra- + mukha (face, mouth).
  Prefix: pra

वीरैः (vīraiḥ) - heroic sons (by heroes, by brave ones)

(noun)

Instrumental, masculine, plural of vīra

vīra - hero, brave man, warrior

धृष्टद्युम्नपुरोगमैः (dhṛṣṭadyumnapurogamaiḥ) - with Dhṛṣṭadyumna at the forefront (by those having Dhṛṣṭadyumna at the forefront, by those led by Dhṛṣṭadyumna)

(adjective)

Instrumental, masculine, plural of dhṛṣṭadyumnapurogama

dhṛṣṭadyumnapurogama - with Dhṛṣṭadyumna at the forefront, led by Dhṛṣṭadyumna

Compound type : Bahuvrīhi (dhṛṣṭadyumna+purogama)

• dhṛṣṭadyumna – name of Drupada's son, born from the sacrificial fire to avenge Droṇa
  proper noun (masculine)
• purogama – going before, leading, preceded by, having at the head, chief
  adjective (masculine)
  From puras (before) + gama (going).
  Root: gam (class 1)