महाभारतः mahābhārataḥ - book-7, chapter-48, verse-37

हत्वा दशसहस्राणि कौसल्यं च महारथम् ।
कृष्णार्जुनसमः कार्ष्णिः शक्रसद्म गतो ध्रुवम् ॥३७॥

37. hatvā daśasahasrāṇi kausalyaṁ ca mahāratham ,
kṛṣṇārjunasamaḥ kārṣṇiḥ śakrasadma gato dhruvam.

37. hatvā daśasahasrāṇi kausalyaṃ ca mahāratham
kṛṣṇārjunasamaḥ kārṣṇiḥ śakrasadma gataḥ dhruvam

37. kārṣṇiḥ kṛṣṇārjunasamaḥ daśasahasrāṇi ca mahāratham kausalyaṃ hatvā,
dhruvam śakrasadma gataḥ

37. Having slain ten thousand warriors, and Kausalya, the great chariot-fighter, Kārṣṇi (Abhimanyu), who was equal to Krishna and Arjuna, surely went to the abode of Indra (heaven).

Words meanings summery:

• हत्वा (hatvā) - having killed, having slain, having struck down

• दशसहस्राणि (daśasahasrāṇi) - ten thousand warriors/fighters (ten thousand)

• कौसल्यं (kausalyaṁ) - Kausalya (a proper name)

• च (ca) - and, also, moreover

• महारथम् (mahāratham) - great warrior, great chariot-fighter

• कृष्णार्जुनसमः (kṛṣṇārjunasamaḥ) - equal to Krishna and Arjuna

• कार्ष्णिः (kārṣṇiḥ) - Abhimanyu (son of Arjuna, renowned for valor) (son of Krishna (Vasudeva) or son of Krishna (Draupadi), here refers to Abhimanyu (son of Arjuna and Subhadra))

• शक्रसद्म (śakrasadma) - abode of Indra, heaven

• गतः (gataḥ) - gone, went, reached

• ध्रुवम् (dhruvam) - surely, certainly, undoubtedly

Words meanings and morphology

हत्वा (hatvā) - having killed, having slain, having struck down

(indeclinable)

Absolutive (Gerund)

Derived from root han (to strike, kill) with the ktvā (absolutive) suffix.

Root: han (class 2)

दशसहस्राणि (daśasahasrāṇi) - ten thousand warriors/fighters (ten thousand)

(noun)

Accusative, neuter, plural of daśasahasra

daśasahasra - ten thousand

Compound type : karmadhāraya (daśa+sahasra)

• daśa – ten
  numeral
• sahasra – thousand
  noun (neuter)

कौसल्यं (kausalyaṁ) - Kausalya (a proper name)

(proper noun)

Accusative, masculine, singular of kausalya

kausalya - a proper name, often a king or warrior from the Kosala kingdom

च (ca) - and, also, moreover

(indeclinable)

महारथम् (mahāratham) - great warrior, great chariot-fighter

(noun)

Accusative, masculine, singular of mahāratha

mahāratha - great warrior, great chariot-fighter, a warrior capable of fighting thousands of opponents

Compound type : karmadhāraya (mahā+ratha)

• mahā – great, mighty, large
  adjective
• ratha – chariot, war-chariot
  noun (masculine)

कृष्णार्जुनसमः (kṛṣṇārjunasamaḥ) - equal to Krishna and Arjuna

(adjective)

Nominative, masculine, singular of kṛṣṇārjunasama

kṛṣṇārjunasama - equal to Krishna and Arjuna

Compound type : tatpuruṣa (kṛṣṇa+arjuna+sama)

• kṛṣṇa – Krishna (proper name of the deity/prince)
  proper noun (masculine)
• arjuna – Arjuna (proper name of a Pandava prince)
  proper noun (masculine)
• sama – equal, same, similar
  adjective (masculine)

कार्ष्णिः (kārṣṇiḥ) - Abhimanyu (son of Arjuna, renowned for valor) (son of Krishna (Vasudeva) or son of Krishna (Draupadi), here refers to Abhimanyu (son of Arjuna and Subhadra))

(proper noun)

Nominative, masculine, singular of kārṣṇi

kārṣṇi - a descendant of Krishna; specifically, Abhimanyu in Mahabharata context

Patronymic from Kṛṣṇa or Kṛṣṇā.

शक्रसद्म (śakrasadma) - abode of Indra, heaven

(noun)

Accusative, neuter, singular of śakrasadman

śakrasadman - the abode or palace of Indra; heaven

Compound type : tatpuruṣa (śakra+sadman)

• śakra – Indra (name of the king of gods)
  proper noun (masculine)
• sadman – abode, dwelling, house, palace
  noun (neuter)

गतः (gataḥ) - gone, went, reached

(adjective)

Nominative, masculine, singular of gata

gata - gone, reached, arrived

Past Passive Participle

Derived from root gam (to go) with the kta (past passive participle) suffix.

Root: gam (class 1)

ध्रुवम् (dhruvam) - surely, certainly, undoubtedly

(indeclinable)