महाभारतः mahābhārataḥ - book-2, chapter-4, verse-28

अर्जुनं चापि संश्रित्य राजपुत्रा महाबलाः ।
अशिक्षन्त धनुर्वेदं रौरवाजिनवाससः ॥२८॥

28. arjunaṁ cāpi saṁśritya rājaputrā mahābalāḥ ,
aśikṣanta dhanurvedaṁ rauravājinavāsasaḥ.

28. arjunam ca api saṃśritya rājaputrāḥ mahābalāḥ
| aśikṣanta dhanurvedam rauravājinavāsasaḥ

28. Moreover, the mighty princes, clad in deer skin garments, learned the science of archery, relying on Arjuna.

Words meanings summery:

• अर्जुनम् (arjunam) - Arjuna

• च (ca) - and, also

• अपि (api) - also, even, moreover

• संश्रित्य (saṁśritya) - having resorted to, having taken refuge in, having relied upon

• राजपुत्राः (rājaputrāḥ) - princes, royal sons

• महाबलाः (mahābalāḥ) - very powerful, mighty

• अशिक्षन्त (aśikṣanta) - they learned, they studied

• धनुर्वेदम् (dhanurvedam) - the science of archery

• रौरवाजिनवाससः (rauravājinavāsasaḥ) - wearing garments of ruru deer skin

Words meanings and morphology

अर्जुनम् (arjunam) - Arjuna

(proper noun)

Accusative, masculine, singular of arjuna

arjuna - white, clear; name of a Pandava prince

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, moreover

(indeclinable)

संश्रित्य (saṁśritya) - having resorted to, having taken refuge in, having relied upon

(indeclinable)

Absolutive (Gerund)

prefix 'sam' + root 'śri' + suffix 'tvā' (replaced by 'ya' due to prefix)

Prefix: sam

Root: śri (class 1)

राजपुत्राः (rājaputrāḥ) - princes, royal sons

(noun)

Nominative, masculine, plural of rājaputra

rājaputra - king's son, prince

Compound type : tatpuruṣa (rājan+putra)

• rājan – king
  noun (masculine)
• putra – son
  noun (masculine)

महाबलाः (mahābalāḥ) - very powerful, mighty

(adjective)

Nominative, masculine, plural of mahābala

mahābala - very strong, powerful, mighty

Compound type : bahuvrīhi (mahant+bala)

• mahant – great, large, mighty
  adjective (masculine)
• bala – strength, power
  noun (neuter)

अशिक्षन्त (aśikṣanta) - they learned, they studied

(verb)

3rd person , plural, middle, past imperfect (laṅ) of śikṣ

Imperfect (Laṅ-lakāra)

3rd person, plural, middle voice (ātmanepada) of root śikṣ

Root: śikṣ (class 1)

धनुर्वेदम् (dhanurvedam) - the science of archery

(noun)

Accusative, masculine, singular of dhanurveda

dhanurveda - the science of archery (one of the Upavedas)

Compound type : tatpuruṣa (dhanus+veda)

• dhanus – bow
  noun (neuter)
• veda – knowledge, sacred knowledge, science
  noun (masculine)
  Root: vid (class 2)

रौरवाजिनवाससः (rauravājinavāsasaḥ) - wearing garments of ruru deer skin

(adjective)

Nominative, masculine, plural of rauravājinavāsas

rauravājinavāsas - clad in garments of ruru deer skin

Compound type : bahuvrīhi (raurava+ajina+vāsas)

• raurava – made of ruru deer skin, belonging to ruru deer
  adjective (neuter)
  derived from ruru (a kind of deer)
• ajina – skin, hide, especially of a deer
  noun (neuter)
• vāsas – garment, clothing
  noun (neuter)

Note: Refers to the princes as being clothed in deer skin.