महाभारतः mahābhārataḥ - book-16, chapter-4, verse-3

तच्चाग्निदत्तं कृष्णस्य वज्रनाभमयस्मयम् ।
दिवमाचक्रमे चक्रं वृष्णीनां पश्यतां तदा ॥३॥

3. taccāgnidattaṁ kṛṣṇasya vajranābhamayasmayam ,
divamācakrame cakraṁ vṛṣṇīnāṁ paśyatāṁ tadā.

3. tat ca agnidattam kṛṣṇasya vajranābham ayasmayam
divam ācakrame cakram vṛṣṇīnām paśyatām tadā

3. Then, that discus (cakra), given by Agni, belonging to Kṛṣṇa, which had a thunderbolt-like hub and was made of iron, ascended to the sky as the Vṛṣṇis watched.

Words meanings summery:

• तत् (tat) - that, it

• च (ca) - and, also

• अग्निदत्तम् (agnidattam) - the discus (cakra) that was given by Agni (given by Agni)

• कृष्णस्य (kṛṣṇasya) - of Kṛṣṇa

• वज्रनाभम् (vajranābham) - the discus (cakra) that has a thunderbolt-like hub (having a thunderbolt-like hub)

• अयस्मयम् (ayasmayam) - the discus (cakra) made of iron (made of iron, iron-wrought)

• दिवम् (divam) - sky, heaven

• आचक्रमे (ācakrame) - ascended, stepped towards, proceeded

• चक्रम् (cakram) - the Sudarśana discus of Kṛṣṇa (discus, wheel, circle)

• वृष्णीनाम् (vṛṣṇīnām) - of the Vṛṣṇis (a Yadava clan)

• पश्यताम् (paśyatām) - while the Vṛṣṇis were watching (of those seeing, while seeing, in the presence of those watching)

• तदा (tadā) - then, at that time

Words meanings and morphology

तत् (tat) - that, it

(pronoun)

neuter, singular of tat

tat - that, it, such

Note: Here, in sandhi with 'ca', it becomes 'tac'. Functions as an emphatic or connecting particle for the subject 'cakram'.

च (ca) - and, also

(indeclinable)

अग्निदत्तम् (agnidattam) - the discus (cakra) that was given by Agni (given by Agni)

(adjective)

Nominative, neuter, singular of agnidatta

agnidatta - given by Agni

Past Passive Participle

From Agni + datta (root dA 'to give')

Compound type : tatpuruṣa (agni+datta)

• agni – fire, fire-god
  noun (masculine)
• datta – given, granted
  adjective (neuter)
  Past Passive Participle
  Root: dA (to give)
  Root: dA (class 3)

Note: Qualifies 'cakram'.

कृष्णस्य (kṛṣṇasya) - of Kṛṣṇa

(proper noun)

Genitive, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (a prominent deity), dark, black

वज्रनाभम् (vajranābham) - the discus (cakra) that has a thunderbolt-like hub (having a thunderbolt-like hub)

(adjective)

Nominative, neuter, singular of vajranābha

vajranābha - having a thunderbolt-like hub

Compound type : bahuvrīhi (vajra+nābhi)

• vajra – thunderbolt, diamond
  noun (masculine/neuter)
• nābhi – navel, hub (of a wheel)
  noun (feminine)

Note: Qualifies 'cakram'.

अयस्मयम् (ayasmayam) - the discus (cakra) made of iron (made of iron, iron-wrought)

(adjective)

Nominative, neuter, singular of ayasmaya

ayasmaya - made of iron

From ayas (iron) + mayat (suffix for 'made of')

Note: Qualifies 'cakram'.

दिवम् (divam) - sky, heaven

(noun)

Accusative, feminine, singular of div

div - sky, heaven, day

Note: Object of 'ācakrame'.

आचक्रमे (ācakrame) - ascended, stepped towards, proceeded

(verb)

3rd person , singular, middle, perfect (lit) of kram

Perfect

Root verb 'kram' (to go, step) with prefix 'ā'

Prefix: ā

Root: kram (class 1)

चक्रम् (cakram) - the Sudarśana discus of Kṛṣṇa (discus, wheel, circle)

(noun)

Nominative, neuter, singular of cakra

cakra - discus, wheel, circle

Note: Subject of 'ācakrame'.

वृष्णीनाम् (vṛṣṇīnām) - of the Vṛṣṇis (a Yadava clan)

(proper noun)

Genitive, masculine, plural of vṛṣṇi

vṛṣṇi - Vṛṣṇi (name of a Yadava clan), a man's name

Note: In possessive relation to 'paśyatām'.

पश्यताम् (paśyatām) - while the Vṛṣṇis were watching (of those seeing, while seeing, in the presence of those watching)

(participle)

Genitive, masculine, plural of paśyat

paśyat - seeing, observing

Present Active Participle

Root dṛś/paś (to see)

Root: dṛś (class 1)

Note: Governed by 'vṛṣṇīnām', indicating a simultaneous action.

तदा (tadā) - then, at that time

(indeclinable)