महाभारतः mahābhārataḥ - book-8, chapter-32, verse-40

चक्ररक्षौ तु कर्णस्य पुत्रौ मारिष दुर्जयौ ।
सुषेणः सत्यसेनश्च त्यक्त्वा प्राणानयुध्यताम् ॥४०॥

40. cakrarakṣau tu karṇasya putrau māriṣa durjayau ,
suṣeṇaḥ satyasenaśca tyaktvā prāṇānayudhyatām.

40. cakrarakṣau tu karṇasya putrau māriṣa durjayau
suṣeṇaḥ satyasenaḥ ca tyaktvā prāṇān ayudhyatām

40. māriṣa tu karṇasya durjayau putrau cakrarakṣau
suṣeṇaḥ ca satyasenaḥ prāṇān tyaktvā ayudhyatām

40. O respected one, Karṇa's two unconquerable sons, Susheṇa and Satyaseṇa, who served as his chariot-wheel protectors, fought having abandoned their lives.

Words meanings summery:

• चक्ररक्षौ (cakrarakṣau) - two chariot-wheel protectors

• तु (tu) - but, indeed, however

• कर्णस्य (karṇasya) - of Karna

• पुत्रौ (putrau) - two sons

• मारिष (māriṣa) - Addressing Dhṛtarāṣṭra (O respected one, O venerable one)

• दुर्जयौ (durjayau) - two unconquerable, hard to defeat

• सुषेणः (suṣeṇaḥ) - Susheṇa

• सत्यसेनः (satyasenaḥ) - Satyaseṇa

• च (ca) - and

• त्यक्त्वा (tyaktvā) - having abandoned, having given up

• प्राणान् (prāṇān) - lives, breaths

• अयुध्यताम् (ayudhyatām) - they (two) fought

Words meanings and morphology

चक्ररक्षौ (cakrarakṣau) - two chariot-wheel protectors

(noun)

Nominative, masculine, dual of cakrarakṣa

cakrarakṣa - chariot-wheel protector

Compound type : tatpuruṣa (cakra+rakṣa)

• cakra – wheel, discus
  noun (neuter)
• rakṣa – protector, guardian
  noun (masculine)
  Root: rakṣ (class 1)

तु (tu) - but, indeed, however

(indeclinable)

कर्णस्य (karṇasya) - of Karna

(proper noun)

Genitive, masculine, singular of karṇa

karṇa - Karna (proper noun, son of Kunti and Surya)

पुत्रौ (putrau) - two sons

(noun)

Nominative, masculine, dual of putra

putra - son, child

मारिष (māriṣa) - Addressing Dhṛtarāṣṭra (O respected one, O venerable one)

(noun)

Vocative, masculine, singular of māriṣa

māriṣa - respected person, venerable man

दुर्जयौ (durjayau) - two unconquerable, hard to defeat

(adjective)

Nominative, masculine, dual of durjaya

durjaya - unconquerable, difficult to conquer

Compound type : pra-sādi-samāsa (or avyayībhāva derivative) (dur+jaya)

• dur – difficult, bad, hard
  indeclinable
• jaya – victory, conquest
  noun (masculine)
  Root: ji (class 1)

सुषेणः (suṣeṇaḥ) - Susheṇa

(proper noun)

Nominative, masculine, singular of suṣeṇa

suṣeṇa - Susheṇa (proper name, a son of Karṇa)

सत्यसेनः (satyasenaḥ) - Satyaseṇa

(proper noun)

Nominative, masculine, singular of satyasena

satyasena - Satyaseṇa (proper name, a son of Karṇa)

च (ca) - and

(indeclinable)

त्यक्त्वा (tyaktvā) - having abandoned, having given up

(indeclinable)

absolutive

Formed with the suffix -ktvā

Root: tyaj (class 1)

Note: Absolutive (gerund) form

प्राणान् (prāṇān) - lives, breaths

(noun)

Accusative, masculine, plural of prāṇa

prāṇa - breath, life, vital air

अयुध्यताम् (ayudhyatām) - they (two) fought

(verb)

3rd person , dual, active, past imperfect (laṅ) of yudh

Root: yudh (class 4)