महाभारतः mahābhārataḥ - book-3, chapter-45, verse-3

एवं संपूजितो जिष्णुरुवास भवने पितुः ।
उपशिक्षन्महास्त्राणि ससंहाराणि पाण्डवः ॥३॥

3. evaṁ saṁpūjito jiṣṇuruvāsa bhavane pituḥ ,
upaśikṣanmahāstrāṇi sasaṁhārāṇi pāṇḍavaḥ.

3. evam sampūjitaḥ jiṣṇuḥ uvāsa bhavane pituḥ
upaśikṣan mahāstrāṇi sasaṃhārāṇi pāṇḍavaḥ

3. Thus honored, the victorious Pāṇḍava (Arjuna) resided in his father's abode, acquiring knowledge of mighty weapons (astras) along with their methods for deployment and withdrawal.

Words meanings summery:

• एवम् (evam) - thus, in this manner, so

• सम्पूजितः (sampūjitaḥ) - worshipped, honored, well-revered

• जिष्णुः (jiṣṇuḥ) - Arjuna (victorious, triumphant; an epithet of Arjuna)

• उवास (uvāsa) - he dwelt, he resided

• भवने (bhavane) - in the abode, in the house

• पितुः (pituḥ) - of his father (Indra) (of the father)

• उपशिक्षन् (upaśikṣan) - learning, studying

• महास्त्राणि (mahāstrāṇi) - great weapons, mighty missiles

• ससंहाराणि (sasaṁhārāṇi) - along with their methods of withdrawal/destruction

• पाण्डवः (pāṇḍavaḥ) - Arjuna (the son of Pāṇḍu)

Words meanings and morphology

एवम् (evam) - thus, in this manner, so

(indeclinable)

सम्पूजितः (sampūjitaḥ) - worshipped, honored, well-revered

(adjective)

Nominative, masculine, singular of sampūjita

sampūjita - worshipped, honored, adored, well-esteemed

Past Passive Participle

From sam-√pūj (to worship, honor) + -ita suffix.

Prefix: sam

Root: pūj (class 10)

जिष्णुः (jiṣṇuḥ) - Arjuna (victorious, triumphant; an epithet of Arjuna)

(proper noun)

Nominative, masculine, singular of jiṣṇu

jiṣṇu - victorious, triumphant, conqueror; an epithet of Indra, Viṣṇu, or Arjuna

From √ji (to conquer) + -ṣṇu suffix.

Root: ji (class 1)

उवास (uvāsa) - he dwelt, he resided

(verb)

3rd person , singular, active, perfect (Lit) of √vas

Perfect tense

Perfect 3rd person singular of √vas (to dwell).

Root: vas (class 1)

भवने (bhavane) - in the abode, in the house

(noun)

Locative, neuter, singular of bhavana

bhavana - abode, dwelling, house, residence

From √bhū (to be, exist) + -ana suffix.

Root: bhū (class 1)

पितुः (pituḥ) - of his father (Indra) (of the father)

(noun)

Genitive, masculine, singular of pitṛ

pitṛ - father

उपशिक्षन् (upaśikṣan) - learning, studying

(adjective)

Nominative, masculine, singular of upaśikṣat

upaśikṣat - learning, studying, practicing

Present Active Participle

From upa-√śikṣ (to learn, to study) + -at suffix.

Prefix: upa

Root: śikṣ (class 1)

Note: Functions as a verbal adjective, agreeing with Pāṇḍavaḥ.

महास्त्राणि (mahāstrāṇi) - great weapons, mighty missiles

(noun)

Accusative, neuter, plural of mahāstra

mahāstra - great weapon, mighty missile (astra)

Compound of mahā (great) and astra (weapon).

Compound type : karmadhāraya (mahā+astra)

• mahā – great, mighty, large
  adjective
• astra – weapon, missile, projectile, (divine) weapon invoked by mantras
  noun (neuter)
  From √as (to throw, cast)
  Root: as (class 4)

ससंहाराणि (sasaṁhārāṇi) - along with their methods of withdrawal/destruction

(adjective)

Accusative, neuter, plural of sasaṃhāra

sasaṁhāra - accompanied by destruction/withdrawal; having the means of withdrawal or termination

Bahuvrīhi compound: sa (with) + saṃhāra (withdrawal, destruction).

Compound type : bahuvrīhi (sa+saṃhāra)

• sa – with, accompanied by
  indeclinable
• saṃhāra – drawing together, destruction, withdrawal, reabsorption, closing (of a weapon)
  noun (masculine)
  From sam-√hṛ (to draw together, destroy, withdraw)
  Prefix: sam
  Root: hṛ (class 1)

Note: Agrees with mahāstrāṇi.

पाण्डवः (pāṇḍavaḥ) - Arjuna (the son of Pāṇḍu)

(proper noun)

Nominative, masculine, singular of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, son of Pāṇḍu

From Pāṇḍu + aṇ suffix (indicating 'descendant of').