महाभारतः mahābhārataḥ - book-8, chapter-51, verse-17

उदीर्णाश्च महासेना ब्रह्मक्षत्रस्य भारत ।
त्वां समासाद्य निधनं गताः साश्वरथद्विपाः ॥१७॥

17. udīrṇāśca mahāsenā brahmakṣatrasya bhārata ,
tvāṁ samāsādya nidhanaṁ gatāḥ sāśvarathadvipāḥ.

17. udīrṇāḥ ca mahāsenāḥ brahmakṣatrasya bhārata tvām
samāsādya nidhanam gatāḥ sa-aśva-ratha-dvipāḥ

17. bhārata udīrṇāḥ ca brahmakṣatrasya mahāsenāḥ tvām
samāsādya sa-aśva-ratha-dvipāḥ nidhanam gatāḥ

17. O Bhārata, immense armies, even those consisting of Brahmins and Kṣatriyas, that had risen, found their end upon encountering you, along with their horses, chariots, and elephants.

Words meanings summery:

• उदीर्णाः (udīrṇāḥ) - immense (armies) that had risen or been roused (risen, roused, immense, vast)

• च (ca) - and, also

• महासेनाः (mahāsenāḥ) - vast armies (great armies, vast forces)

• ब्रह्मक्षत्रस्य (brahmakṣatrasya) - of the Brahmin and Kṣatriya class (indicating armies composed of these two high social orders) (of the Brahmin and Kṣatriya class/power)

• भारत (bhārata) - O Bhārata (addressing Arjuna or Yudhiṣṭhira) (O Bhārata, O descendant of Bharata)

• त्वाम् (tvām) - you (referring to the addressee, either Arjuna or Yudhiṣṭhira) (you (accusative))

• समासाद्य (samāsādya) - upon encountering (you) (having approached, having reached, having encountered)

• निधनम् (nidhanam) - destruction, end (referring to the armies' defeat) (destruction, end, death)

• गताः (gatāḥ) - met, attained (destruction) (gone, reached, attained)

• स-अश्व-रथ-द्विपाः (sa-aśva-ratha-dvipāḥ) - along with their horses, chariots, and elephants (with horses, chariots, and elephants)

Words meanings and morphology

उदीर्णाः (udīrṇāḥ) - immense (armies) that had risen or been roused (risen, roused, immense, vast)

(adjective)

Nominative, masculine, plural of udīrṇa

udīrṇa - risen, roused, lifted up, mighty, vast

Past Passive Participle

Derived from the root √īr (to move, stir) with the prefix ud- (up, forth).

Prefix: ud

Root: īr (class 1)

च (ca) - and, also

(indeclinable)

महासेनाः (mahāsenāḥ) - vast armies (great armies, vast forces)

(noun)

Nominative, feminine, plural of mahāsenā

mahāsenā - a great army; a large force

Compound type : karmadhāraya (mahā+senā)

• mahā – great, large, mighty
  adjective
• senā – army, host, force
  noun (feminine)

ब्रह्मक्षत्रस्य (brahmakṣatrasya) - of the Brahmin and Kṣatriya class (indicating armies composed of these two high social orders) (of the Brahmin and Kṣatriya class/power)

(noun)

Genitive, neuter, singular of brahmakṣatra

brahmakṣatra - the Brahmin and Kṣatriya class/power; spiritual and temporal authority

Compound type : dvandva (brahman+kṣatra)

• brahman – Brahmin, sacred knowledge, the Absolute (brahman)
  noun (neuter)
• kṣatra – dominion, power, rule; the Kṣatriya class
  noun (neuter)

भारत (bhārata) - O Bhārata (addressing Arjuna or Yudhiṣṭhira) (O Bhārata, O descendant of Bharata)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - descendant of Bharata; an Indian

Derived from Bharata.

त्वाम् (tvām) - you (referring to the addressee, either Arjuna or Yudhiṣṭhira) (you (accusative))

(pronoun)

Accusative, singular of tvam

tvam - you

समासाद्य (samāsādya) - upon encountering (you) (having approached, having reached, having encountered)

(indeclinable)

Absolutive (Gerund)

Formed from the root √sad (to sit, approach) with prefixes sam- and ā-.

Prefixes: sam+ā

Root: sad (class 1)

निधनम् (nidhanam) - destruction, end (referring to the armies' defeat) (destruction, end, death)

(noun)

Accusative, neuter, singular of nidhana

nidhana - destruction, death, end, ruin

गताः (gatāḥ) - met, attained (destruction) (gone, reached, attained)

(adjective)

Nominative, masculine, plural of gata

gata - gone, arrived, reached, obtained

Past Passive Participle

Derived from the root √gam (to go).

Root: gam (class 1)

स-अश्व-रथ-द्विपाः (sa-aśva-ratha-dvipāḥ) - along with their horses, chariots, and elephants (with horses, chariots, and elephants)

(adjective)

Nominative, masculine, plural of sa-aśva-ratha-dvipa

sa-aśva-ratha-dvipa - having horses, chariots, and elephants; equipped with these

Compound type : bahuvrihi (sa+aśva+ratha+dvipa)

• sa – with, together with
  indeclinable
• aśva – horse
  noun (masculine)
• ratha – chariot
  noun (masculine)
• dvipa – elephant
  noun (masculine)
  Literally 'twice-drinking' or 'two-tongued', referring to elephants using both trunk and mouth for water.