महाभारतः mahābhārataḥ - book-3, chapter-164, verse-53

तत्राहं देवगन्धर्वैः सहितो भूरिदक्षिण ।
अस्त्रार्थमवसं स्वर्गे कुर्वाणोऽस्त्राणि भारत ॥५३॥

53. tatrāhaṁ devagandharvaiḥ sahito bhūridakṣiṇa ,
astrārthamavasaṁ svarge kurvāṇo'strāṇi bhārata.

53. tatra aham deva-gandharvaiḥ sahitaḥ bhūri-dakṣiṇa
astra-artham avasam svarge kurvāṇaḥ astrāṇi bhārata

53. O descendant of Bharata, O giver of many gifts, I resided there in heaven, accompanied by the gods and gandharvas, for the purpose of acquiring weapons, as I was training with them.

Words meanings summery:

• तत्र (tatra) - there, in that place

• अहम् (aham) - I

• देव-गन्धर्वैः (deva-gandharvaiḥ) - with gods and gandharvas (celestial musicians)

• सहितः (sahitaḥ) - accompanied, joined, together with

• भूरि-दक्षिण (bhūri-dakṣiṇa) - An epithet for Yudhiṣṭhira, to whom Arjuna is speaking. (O giver of many gifts; one who offers large दक्षिणा (dakṣiṇā))

• अस्त्र-अर्थम् (astra-artham) - for the purpose of weapons; for the sake of weapons

• अवसम् (avasam) - I resided, I dwelt

• स्वर्गे (svarge) - in heaven, in the celestial abode

• कुर्वाणः (kurvāṇaḥ) - practicing or perfecting (skill with weapons) (doing, making, performing, practicing)

• अस्त्राणि (astrāṇi) - weapons

• भारत (bhārata) - An epithet for Yudhiṣṭhira, to whom Arjuna is speaking. (O descendant of Bharata)

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

From pronominal base 'tad' (that) + suffix 'tral' (locative sense)

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I (first person pronoun)

देव-गन्धर्वैः (deva-gandharvaiḥ) - with gods and gandharvas (celestial musicians)

(noun)

Instrumental, masculine, plural of deva-gandharva

deva-gandharva - gods and gandharvas (celestial musicians)

Compound type : dvandva (deva+gandharva)

• deva – god, deity
  noun (masculine)
• gandharva – celestial musician, a class of semi-divine beings
  noun (masculine)

सहितः (sahitaḥ) - accompanied, joined, together with

(adjective)

Nominative, masculine, singular of sahita

sahita - accompanied, joined, united, together with

Past Passive Participle

From 'sa' (with) and 'hita' (placed, from root dhā)

Prefix: sa

Root: dhā (class 3)

Note: Functions as an adjective modifying 'aham'

भूरि-दक्षिण (bhūri-dakṣiṇa) - An epithet for Yudhiṣṭhira, to whom Arjuna is speaking. (O giver of many gifts; one who offers large दक्षिणा (dakṣiṇā))

(adjective)

Vocative, masculine, singular of bhūri-dakṣiṇa

bhūri-dakṣiṇa - giver of many gifts, very liberal, munificent

Compound type : bahuvrihi (bhūri+dakṣiṇā)

• bhūri – much, many, abundant
  adjective (neuter)
• dakṣiṇā – gift, donation, fee (especially to priests)
  noun (feminine)

अस्त्र-अर्थम् (astra-artham) - for the purpose of weapons; for the sake of weapons

(noun)

Accusative, masculine, singular of astra-artha

astra-artha - purpose of weapons, for the sake of weapons

Compound type : tatpuruṣa (astra+artha)

• astra – weapon, missile
  noun (neuter)
• artha – purpose, meaning, object, wealth
  noun (masculine)

Note: Used adverbially to denote purpose.

अवसम् (avasam) - I resided, I dwelt

(verb)

1st person , singular, active, past imperfect (laṅ) of vas

Root: vas (class 1)

स्वर्गे (svarge) - in heaven, in the celestial abode

(noun)

Locative, masculine, singular of svarga

svarga - heaven, paradise, celestial abode

कुर्वाणः (kurvāṇaḥ) - practicing or perfecting (skill with weapons) (doing, making, performing, practicing)

(adjective)

Nominative, masculine, singular of kurvat

kurvat - doing, making, performing, acting

Present Active Participle

From root 'kṛ' (to do, make), class 8, with 'śānac' suffix (middle voice participle for parasmaipada roots)

Root: kṛ (class 8)

Note: Present Middle Participle of 'kṛ' (to do/make/perform), often used reflexively or for an action done for oneself.

अस्त्राणि (astrāṇi) - weapons

(noun)

Accusative, neuter, plural of astra

astra - weapon, missile

भारत (bhārata) - An epithet for Yudhiṣṭhira, to whom Arjuna is speaking. (O descendant of Bharata)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - descendant of Bharata; related to Bharata; India

Derived from 'Bharata'