महाभारतः mahābhārataḥ - book-8, chapter-67, verse-21

इत्यूचिवांस्तं स मुमोच बाणं धनंजयः कर्णवधाय घोरम् ।
कृत्यामथर्वाङ्गिरसीमिवोग्रां दीप्तामसह्यां युधि मृत्युनापि ॥२१॥

21. ityūcivāṁstaṁ sa mumoca bāṇaṁ; dhanaṁjayaḥ karṇavadhāya ghoram ,
kṛtyāmatharvāṅgirasīmivogrāṁ; dīptāmasahyāṁ yudhi mṛtyunāpi.

21. iti ūcivān tam sa mumoca bāṇam
dhanaṃjayaḥ karṇavadhāya ghoram |
kṛtyām atharvāṅgirasīm iva ugrām
dīptām asahyām yudhi mṛtyunā api

21. iti ūcivān sa dhanaṃjayaḥ tam karṇavadhāya ghoram bāṇam mumoca,
(saḥ bāṇaḥ) atharvāṅgirasīm ugrām dīptām asahyām kṛtyām iva (āsa),
yudhi mṛtyunā api (asahyām).

21. Having spoken thus, Dhanaṃjaya (Arjuna) released that terrible arrow for the slaying of Karṇa. It was dreadful, blazing, and unbearable, like an Atharvāṅgiras Kṛtyā (a malevolent magic spell), which even Death (mṛtyu) itself could not withstand in battle.

Words meanings summery:

• इति (iti) - thus, so, in this manner

• ऊचिवान् (ūcivān) - having spoken, he who spoke

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

• स (sa) - he (Arjuna) (he, that)

• मुमोच (mumoca) - he released, he let go

• बाणम् (bāṇam) - arrow

• धनंजयः (dhanaṁjayaḥ) - Arjuna (Dhanaṃjaya (Arjuna))

• कर्णवधाय (karṇavadhāya) - for the slaying of Karṇa

• घोरम् (ghoram) - terrible, dreadful, fierce

• कृत्याम् (kṛtyām) - a malevolent magic spell (magic spell, evil deed, action)

• अथर्वाङ्गिरसीम् (atharvāṅgirasīm) - belonging to Atharvāṅgiras (tradition), Atharvanic

• इव (iva) - like, as, as if

• उग्राम् (ugrām) - dreadful, fierce, mighty

• दीप्ताम् (dīptām) - blazing, shining, inflamed

• असह्याम् (asahyām) - unbearable, irresistible

• युधि (yudhi) - in battle, in fight

• मृत्युना (mṛtyunā) - by death

• अपि (api) - even, also

Words meanings and morphology

इति (iti) - thus, so, in this manner

(indeclinable)

ऊचिवान् (ūcivān) - having spoken, he who spoke

(adjective)

Nominative, masculine, singular of ūcivāṃs

ūcivāṁs - having spoken

Perfect Active Participle (kvasu)

Root: vac (class 2)

तम् (tam) - that (arrow) (that, him)

(pronoun)

Accusative, masculine, singular of tad

tad - that, him, her, it

स (sa) - he (Arjuna) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

मुमोच (mumoca) - he released, he let go

(verb)

3rd person , singular, active, perfect (lit) of muc

Root: muc (class 6)

बाणम् (bāṇam) - arrow

(noun)

Accusative, masculine, singular of bāṇa

bāṇa - arrow

धनंजयः (dhanaṁjayaḥ) - Arjuna (Dhanaṃjaya (Arjuna))

(proper noun)

Nominative, masculine, singular of dhanaṃjaya

dhanaṁjaya - conqueror of wealth (an epithet of Arjuna), fire

कर्णवधाय (karṇavadhāya) - for the slaying of Karṇa

(noun)

Dative, masculine, singular of karṇavadha

karṇavadha - slaying of Karṇa

Compound type : tatpuruṣa (karṇa+vadha)

• karṇa – Karṇa
  proper noun (masculine)
• vadha – slaying, killing, destruction
  noun (masculine)
  root 'han' with Kṛt suffix 'a'
  Root: han (class 2)

घोरम् (ghoram) - terrible, dreadful, fierce

(adjective)

Accusative, masculine, singular of ghora

ghora - dreadful, terrible, fearful, formidable

कृत्याम् (kṛtyām) - a malevolent magic spell (magic spell, evil deed, action)

(noun)

Accusative, feminine, singular of kṛtyā

kṛtyā - a malevolent magic spell, a sorceress, an action, a duty

अथर्वाङ्गिरसीम् (atharvāṅgirasīm) - belonging to Atharvāṅgiras (tradition), Atharvanic

(adjective)

Accusative, feminine, singular of atharvāṅgirasī

atharvāṅgirasī - relating to Atharvan and Aṅgiras (referring to the Atharva Veda and its magical practices)

इव (iva) - like, as, as if

(indeclinable)

उग्राम् (ugrām) - dreadful, fierce, mighty

(adjective)

Accusative, feminine, singular of ugra

ugra - dreadful, fierce, formidable, powerful

दीप्ताम् (dīptām) - blazing, shining, inflamed

(adjective)

Accusative, feminine, singular of dīpta

dīpta - blazing, radiant, brilliant, inflamed

Past Passive Participle

Root: dīp (class 4)

असह्याम् (asahyām) - unbearable, irresistible

(adjective)

Accusative, feminine, singular of asahyā

asahyā - unbearable, irresistible, impossible to endure

Gerundive

Prefix: a

Root: sah (class 1)

युधि (yudhi) - in battle, in fight

(noun)

Locative, feminine, singular of yudh

yudh - battle, fight, war

मृत्युना (mṛtyunā) - by death

(noun)

Instrumental, masculine, singular of mṛtyu

mṛtyu - death, god of death

अपि (api) - even, also

(indeclinable)