महाभारतः mahābhārataḥ - book-8, chapter-32, verse-41

पृष्ठगोपस्तु कर्णस्य ज्येष्ठः पुत्रो महारथः ।
वृषसेनः स्वयं कर्णं पृष्ठतः पर्यपालयत् ॥४१॥

41. pṛṣṭhagopastu karṇasya jyeṣṭhaḥ putro mahārathaḥ ,
vṛṣasenaḥ svayaṁ karṇaṁ pṛṣṭhataḥ paryapālayat.

41. pṛṣṭhagopaḥ tu karṇasya jyeṣṭhaḥ putraḥ mahārathaḥ
vṛṣasenaḥ svayam karṇam pṛṣṭhataḥ paryapālayat

41. tu karṇasya jyeṣṭhaḥ putraḥ mahārathaḥ pṛṣṭhagopaḥ
vṛṣasenaḥ svayam karṇam pṛṣṭhataḥ paryapālayat

41. But Karṇa's eldest son, the great charioteer (mahāratha) Vṛṣasena, himself protected Karṇa from behind, serving as his rear protector.

Words meanings summery:

• पृष्ठगोपः (pṛṣṭhagopaḥ) - rear protector, protector from behind

• तु (tu) - but, indeed, however

• कर्णस्य (karṇasya) - of Karna

• ज्येष्ठः (jyeṣṭhaḥ) - eldest, oldest

• पुत्रः (putraḥ) - son

• महारथः (mahārathaḥ) - great charioteer, great warrior

• वृषसेनः (vṛṣasenaḥ) - Vṛṣasena

• स्वयम् (svayam) - himself, personally

• कर्णम् (karṇam) - Karna (accusative)

• पृष्ठतः (pṛṣṭhataḥ) - from behind, in the rear

• पर्यपालयत् (paryapālayat) - he protected, he guarded

Words meanings and morphology

पृष्ठगोपः (pṛṣṭhagopaḥ) - rear protector, protector from behind

(noun)

Nominative, masculine, singular of pṛṣṭhagopa

pṛṣṭhagopa - rear protector, one who protects from behind

Compound type : tatpuruṣa (pṛṣṭha+gopa)

• pṛṣṭha – back, rear
  noun (neuter)
• gopa – protector, herdsman
  noun (masculine)
  Root: gup (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)

ज्येष्ठः (jyeṣṭhaḥ) - eldest, oldest

(adjective)

Nominative, masculine, singular of jyeṣṭha

jyeṣṭha - eldest, oldest, best, principal

पुत्रः (putraḥ) - son

(noun)

Nominative, masculine, singular of putra

putra - son, child

महारथः (mahārathaḥ) - great charioteer, great warrior

(noun)

Nominative, masculine, singular of mahāratha

mahāratha - great charioteer, a warrior capable of fighting thousands of opponents

Compound type : karmadhāraya (mahā+ratha)

• mahā – great, large, mighty
  adjective
• ratha – chariot, warrior (who fights from a chariot)
  noun (masculine)

वृषसेनः (vṛṣasenaḥ) - Vṛṣasena

(proper noun)

Nominative, masculine, singular of vṛṣasena

vṛṣasena - Vṛṣasena (proper name, a son of Karṇa)

स्वयम् (svayam) - himself, personally

(indeclinable)

कर्णम् (karṇam) - Karna (accusative)

(proper noun)

Accusative, masculine, singular of karṇa

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

पृष्ठतः (pṛṣṭhataḥ) - from behind, in the rear

(indeclinable)

Formed with the suffix -tas from pṛṣṭha

पर्यपालयत् (paryapālayat) - he protected, he guarded

(verb)

3rd person , singular, active, past imperfect (laṅ) of pāl

Prefix: pari

Root: pāl (class 10)