महाभारतः mahābhārataḥ - book-7, chapter-109, verse-28

तं प्रत्यविध्यद्राधेयो जाम्बूनदविभूषितैः ।
चतुर्दशभिरत्युग्रैर्नाराचैरविचारयन् ॥२८॥

28. taṁ pratyavidhyadrādheyo jāmbūnadavibhūṣitaiḥ ,
caturdaśabhiratyugrairnārācairavicārayan.

28. tam prati avidyat rādheyaḥ jāmbūnadavibhūṣitaiḥ
caturdaśabhiḥ atyugraiḥ nārācaiḥ avicarayan

28. rādheyaḥ avicarayan tam jāmbūnadavibhūṣitaiḥ
caturdaśabhiḥ atyugraiḥ nārācaiḥ prati avidyat

28. Radheya (Karṇa), without hesitation, pierced him with fourteen exceedingly fierce iron arrows, adorned with gold.

Words meanings summery:

• तम् (tam) - him (Bhīmasena) (him, that)

• प्रति (prati) - in return, back (towards, against, in return)

• अविद्यत् (avidyat) - pierced, struck

• राधेयः (rādheyaḥ) - Karṇa (son of Rādhā)

• जाम्बूनदविभूषितैः (jāmbūnadavibhūṣitaiḥ) - adorned with gold

• चतुर्दशभिः (caturdaśabhiḥ) - with fourteen

• अत्युग्रैः (atyugraiḥ) - exceedingly fierce, very terrible

• नाराचैः (nārācaiḥ) - with iron arrows

• अविचरयन् (avicarayan) - without hesitation (not considering, not hesitating, without thought)

Words meanings and morphology

तम् (tam) - him (Bhīmasena) (him, that)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

प्रति (prati) - in return, back (towards, against, in return)

(indeclinable)

अविद्यत् (avidyat) - pierced, struck

(verb)

3rd person , singular, active, aorist (luṅ) of vyadh

Aorist

Aorist 3rd singular active. The root `vyadh` becomes `vidh` in aorist forms.

Root: vyadh (class 4)

राधेयः (rādheyaḥ) - Karṇa (son of Rādhā)

(proper noun)

Nominative, masculine, singular of rādheya

rādheya - son of Rādhā

जाम्बूनदविभूषितैः (jāmbūnadavibhūṣitaiḥ) - adorned with gold

(adjective)

Instrumental, plural of jāmbūnadavibhūṣita

jāmbūnadavibhūṣita - adorned with Jambu river gold

Compound type : tatpuruṣa (jāmbūnada+vibhūṣita)

• jāmbūnada – gold (especially from Jambu river), product of Jambu
  noun (neuter)
• vibhūṣita – adorned, decorated, embellished
  adjective
  Past Passive Participle
  Formed from the root `bhūṣ` (to adorn) with the prefix `vi`.
  Prefix: vi
  Root: bhūṣ (class 10)

चतुर्दशभिः (caturdaśabhiḥ) - with fourteen

(numeral)

अत्युग्रैः (atyugraiḥ) - exceedingly fierce, very terrible

(adjective)

Instrumental, plural of atyugra

atyugra - exceedingly fierce, very terrible, extremely violent

Compound type : karmadhāraya (ati+ugra)

• ati – over, beyond, excessive, very
  indeclinable
  Prefix indicating excess or intensity.
• ugra – fierce, terrible, mighty, severe
  adjective

नाराचैः (nārācaiḥ) - with iron arrows

(noun)

Instrumental, masculine, plural of nārāca

nārāca - iron arrow

अविचरयन् (avicarayan) - without hesitation (not considering, not hesitating, without thought)

(participle)

Nominative, masculine, singular of avicarayat

avicarayat - not considering, not reflecting, not hesitating

Present Active Participle

Formed from the negative prefix `a-` and the present active participle of `vi-cār` (causative of `car`, to move, hence 'to consider').

Compound type : nañ-tatpuruṣa (a+vicārayat)

• a – not, un-
  indeclinable
  Negative prefix.
• vicārayat – considering, reflecting, hesitating
  participle (masculine)
  Present Active Participle
  From `vi` + root `car` (causative 'cāray').
  Prefix: vi
  Root: car (class 10)