महाभारतः mahābhārataḥ - book-3, chapter-293, verse-16

तत्रोपसदनं चक्रे द्रोणस्येष्वस्त्रकर्मणि ।
सख्यं दुर्योधनेनैवमगच्छत्स च वीर्यवान् ॥१६॥

16. tatropasadanaṁ cakre droṇasyeṣvastrakarmaṇi ,
sakhyaṁ duryodhanenaivamagacchatsa ca vīryavān.

16. tatra upasadanam cakre droṇasya īṣvastrakarmaṇi
sakhyam duryodhanena evam agacchat saḥ ca vīryavān

16. There, he undertook discipleship with Droṇa in the art of archery and weaponcraft. And thus, the powerful one formed a friendship with Duryodhana.

Words meanings summery:

• तत्र (tatra) - there, in that place

• उपसदनम् (upasadanam) - attendance, discipleship, approach, sitting near (for learning)

• चक्रे (cakre) - he made, he did, he performed

• द्रोणस्य (droṇasya) - of Droṇa

• ईष्वस्त्रकर्मणि (īṣvastrakarmaṇi) - in the work/art of archery and weaponry

• सख्यम् (sakhyam) - friendship

• दुर्योधनेन (duryodhanena) - with Duryodhana

• एवम् (evam) - thus, in this manner

• अगच्छत् (agacchat) - he obtained, he went, he attained

• सः (saḥ) - he, that

• च (ca) - and, also

• वीर्यवान् (vīryavān) - powerful, valorous, heroic

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

उपसदनम् (upasadanam) - attendance, discipleship, approach, sitting near (for learning)

(noun)

Accusative, neuter, singular of upasādana

upasādana - drawing near, approaching, attendance, discipleship

Prefix: upa

Root: sad (class 1)

चक्रे (cakre) - he made, he did, he performed

(verb)

3rd person , singular, active, perfect (liṭ) of kṛ

Root: kṛ (class 8)

द्रोणस्य (droṇasya) - of Droṇa

(proper noun)

Genitive, masculine, singular of droṇa

droṇa - Droṇa (a revered guru of warfare)

ईष्वस्त्रकर्मणि (īṣvastrakarmaṇi) - in the work/art of archery and weaponry

(noun)

Locative, neuter, singular of īṣvastrakarman

īṣvastrakarman - the work or art of archery and missile-craft

Compound type : tatpuruṣa (īṣu+astra+karman)

• īṣu – arrow, dart
  noun (masculine)
• astra – weapon, missile
  noun (neuter)
  Root: as (class 4)
• karman – action, work, deed, ritual (karma)
  noun (neuter)
  Root: kṛ (class 8)

सख्यम् (sakhyam) - friendship

(noun)

Accusative, neuter, singular of sakhya

sakhya - friendship, companionship

दुर्योधनेन (duryodhanena) - with Duryodhana

(proper noun)

Instrumental, masculine, singular of duryodhana

duryodhana - Duryodhana (eldest son of Dhṛtarāṣṭra)

एवम् (evam) - thus, in this manner

(indeclinable)

अगच्छत् (agacchat) - he obtained, he went, he attained

(verb)

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

Root: gam (class 1)

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

च (ca) - and, also

(indeclinable)

वीर्यवान् (vīryavān) - powerful, valorous, heroic

(adjective)

Nominative, masculine, singular of vīryavat

vīryavat - possessing vigor or power, valorous, heroic

Possessive suffix -vat