महाभारतः mahābhārataḥ - book-8, chapter-26, verse-19

ताभ्यां यदकृतं वीर वीरकर्म महामृधे ।
तत्कर्म कुरु राधेय वज्रपाणिरिवापरः ॥१९॥

19. tābhyāṁ yadakṛtaṁ vīra vīrakarma mahāmṛdhe ,
tatkarma kuru rādheya vajrapāṇirivāparaḥ.

19. tābhyām yat akṛtam vīra vīrakarma mahāmṛdhe
tat karma kuru rādheya vajrapāṇiḥ iva aparaḥ

19. vīra rādheya mahāmṛdhe tābhyām yat akṛtam
vīrakarma tat karma aparaḥ vajrapāṇiḥ iva kuru

19. O hero, O son of Radha (Karna), perform that heroic deed in the great battle which was not accomplished by them (Drona and Bhishma), like another Vajrapāṇi (Indra).

Words meanings summery:

• ताभ्याम् (tābhyām) - by Drona and Bhishma (by them, by those two)

• यत् (yat) - which, that (relative pronoun)

• अकृतम् (akṛtam) - not done, unaccomplished

• वीर (vīra) - O hero

• वीरकर्म (vīrakarma) - heroic deed, act of a warrior

• महामृधे (mahāmṛdhe) - in the great battle

• तत् (tat) - that (demonstrative pronoun)

• कर्म (karma) - deed, action, work

• कुरु (kuru) - do, perform, accomplish

• राधेय (rādheya) - O Karna (O son of Radha)

• वज्रपाणिः (vajrapāṇiḥ) - Indra (thunderbolt-handed)

• इव (iva) - like, as, as it were

• अपरः (aparaḥ) - another, a second

Words meanings and morphology

ताभ्याम् (tābhyām) - by Drona and Bhishma (by them, by those two)

(pronoun)

Instrumental, masculine, dual of tad

tad - that, he, she, it

यत् (yat) - which, that (relative pronoun)

(pronoun)

neuter, singular of yad

yad - which, what, that

अकृतम् (akṛtam) - not done, unaccomplished

(adjective)

neuter, singular of akṛta

akṛta - not done, unmade, unaccomplished

Past Passive Participle

Derived from root kṛ + suffix -ta, negated by a-privative

Root: kṛ (class 8)

वीर (vīra) - O hero

(noun)

Vocative, masculine, singular of vīra

vīra - hero, brave man, warrior

वीरकर्म (vīrakarma) - heroic deed, act of a warrior

(noun)

neuter, singular of vīrakarman

vīrakarman - heroic deed, valorous act

Compound type : tatpurusha (vīra+karman)

• vīra – hero, brave man
  noun (masculine)
• karman – deed, action
  noun (neuter)
  Root: kṛ (class 8)

महामृधे (mahāmṛdhe) - in the great battle

(noun)

Locative, feminine, singular of mahāmṛdh

mahāmṛdh - great battle

Compound type : karmadhāraya (mahat+mṛdh)

• mahat – great, large
  adjective (masculine/feminine/neuter)
• mṛdh – battle, fight
  noun (feminine)

तत् (tat) - that (demonstrative pronoun)

(pronoun)

neuter, singular of tad

tad - that, he, she, it

कर्म (karma) - deed, action, work

(noun)

neuter, singular of karman

karman - deed, action, work (karma), ritual act

Root: kṛ (class 8)

कुरु (kuru) - do, perform, accomplish

(verb)

2nd person , singular, active, imperative (loṭ) of kṛ

Root: kṛ (class 8)

राधेय (rādheya) - O Karna (O son of Radha)

(proper noun)

Vocative, masculine, singular of rādheya

rādheya - son of Radha (Karna)

Patronymic from Radhā

वज्रपाणिः (vajrapāṇiḥ) - Indra (thunderbolt-handed)

(noun)

Nominative, masculine, singular of vajrapāṇi

vajrapāṇi - having a thunderbolt in hand; epithet of Indra

Compound type : bahuvrihi (vajra+pāṇi)

• vajra – thunderbolt, diamond
  noun (masculine/neuter)
• pāṇi – hand
  noun (masculine)

इव (iva) - like, as, as it were

(indeclinable)

अपरः (aparaḥ) - another, a second

(adjective)

Nominative, masculine, singular of apara

apara - other, another, second, inferior