महाभारतः mahābhārataḥ - book-8, chapter-52, verse-19

यस्य वीर्ये समाश्वस्य धार्तराष्ट्रो बृहन्मनाः ।
अवामन्यत दुर्बुद्धिर्नित्यमस्मान्दुरात्मवान् ।
तमद्य कर्णं राधेयं हन्तास्मि मधुसूदन ॥१९॥

19. yasya vīrye samāśvasya dhārtarāṣṭro bṛhanmanāḥ ,
avāmanyata durbuddhirnityamasmāndurātmavān ,
tamadya karṇaṁ rādheyaṁ hantāsmi madhusūdana.

19. yasya vīrye samāśvasya dhārtarāṣṭraḥ
bṛhatmanāḥ avāmanyata durbuddhiḥ
nityam asmān durātmavān tam adya
karṇam rādheyam hantā asmi madhusūdana

19. madhusūdana adya aham tam rādheyam
karṇam hantā asmi yasya vīrye samāśvasya
bṛhatmanāḥ durbuddhiḥ durātmavān
dhārtarāṣṭraḥ nityam asmān avāmanyata

19. O Madhusūdana, today I will kill that Karna, son of Rādhā, by relying on whose valor the large-minded Dhārtarāṣṭra (Duryodhana), that evil-minded, wicked one, constantly disrespected us.

Words meanings summery:

• यस्य (yasya) - whose, of whom

• वीर्ये (vīrye) - in valor, in heroism, in strength

• समाश्वस्य (samāśvasya) - having relied upon, having taken comfort in

• धार्तराष्ट्रः (dhārtarāṣṭraḥ) - Duryodhana (son of Dhṛtarāṣṭra (Duryodhana))

• बृहत्मनाः (bṛhatmanāḥ) - arrogant (ironic usage) (large-minded, great-souled)

• अवामन्यत (avāmanyata) - he disrespected, he disregarded

• दुर्बुद्धिः (durbuddhiḥ) - evil-minded, foolish, wicked-minded

• नित्यम् (nityam) - constantly, always

• अस्मान् (asmān) - us

• दुरात्मवान् (durātmavān) - wicked, evil-souled, villainous

• तम् (tam) - him, that (one)

• अद्य (adya) - today, now

• कर्णम् (karṇam) - Karna

• राधेयम् (rādheyam) - Karna, as son of Rādhā (son of Rādhā (Karna))

• हन्ता (hantā) - slayer, killer

• अस्मि (asmi) - I am

• मधुसूदन (madhusūdana) - Kṛṣṇa (Slayer of Madhu (epithet for Kṛṣṇa))

Words meanings and morphology

यस्य (yasya) - whose, of whom

(pronoun)

Genitive, masculine, singular of yad

yad - who, which, what, that

वीर्ये (vīrye) - in valor, in heroism, in strength

(noun)

Locative, neuter, singular of vīrya

vīrya - valor, heroism, strength, power, energy

समाश्वस्य (samāśvasya) - having relied upon, having taken comfort in

(indeclinable)

absolutive

derived from the root śvas with upasargas sam and ā, using the suffix -ya (or -tvā for non-prefixed verbs)

Prefixes: sam+ā

Root: śvas (class 2)

धार्तराष्ट्रः (dhārtarāṣṭraḥ) - Duryodhana (son of Dhṛtarāṣṭra (Duryodhana))

(proper noun)

Nominative, masculine, singular of dhārtarāṣṭra

dhārtarāṣṭra - son of Dhṛtarāṣṭra, belonging to Dhṛtarāṣṭra

बृहत्मनाः (bṛhatmanāḥ) - arrogant (ironic usage) (large-minded, great-souled)

(adjective)

Nominative, masculine, singular of bṛhatmanas

bṛhatmanas - large-minded, noble-minded, magnanimous; sometimes implies arrogance in context

Compound type : bahuvrīhi (bṛhat+manas)

• bṛhat – large, great, vast, extensive
  adjective
• manas – mind, intellect, thought, spirit, soul
  noun (neuter)

अवामन्यत (avāmanyata) - he disrespected, he disregarded

(verb)

3rd person , singular, middle, past imperfect (laṅ) of avaman

Prefix: ava

Root: man (class 4)

दुर्बुद्धिः (durbuddhiḥ) - evil-minded, foolish, wicked-minded

(adjective)

Nominative, masculine, singular of durbuddhi

durbuddhi - evil-minded, foolish, wicked, having bad intellect

Compound type : bahuvrīhi (dur+buddhi)

• dur – bad, evil, difficult
  indeclinable
• buddhi – intellect, understanding, mind, reason
  noun (feminine)

नित्यम् (nityam) - constantly, always

(indeclinable)

अस्मान् (asmān) - us

(pronoun)

Accusative, plural of asmad

asmad - I, we

दुरात्मवान् (durātmavān) - wicked, evil-souled, villainous

(adjective)

Nominative, masculine, singular of durātman

durātman - evil-souled, wicked, vile; a wicked person

Derived with matup suffix, meaning 'possessing' or 'having'

Compound type : bahuvrīhi (dur+ātman)

• dur – bad, evil, difficult
  indeclinable
• ātman – self, soul, spirit, essential nature (ātman)
  noun (masculine)

तम् (tam) - him, that (one)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

अद्य (adya) - today, now

(indeclinable)

कर्णम् (karṇam) - Karna

(proper noun)

Accusative, masculine, singular of karṇa

karṇa - Karna (name of a prominent warrior in the Mahābhārata); ear

राधेयम् (rādheyam) - Karna, as son of Rādhā (son of Rādhā (Karna))

(proper noun)

Accusative, masculine, singular of rādheya

rādheya - son of Rādhā, Karna (as he was raised by Rādhā)

patronymic from Rādhā

हन्ता (hantā) - slayer, killer

(noun)

Nominative, masculine, singular of hantṛ

hantṛ - slayer, killer; a person who slays

agent noun

derived from the root han with the suffix tṛ

Root: han (class 2)

Note: Used here predicatively with 'asmi' to express future action ('I will be a killer')

अस्मि (asmi) - I am

(verb)

1st person , singular, active, present (laṭ) of as

Root: as (class 2)

मधुसूदन (madhusūdana) - Kṛṣṇa (Slayer of Madhu (epithet for Kṛṣṇa))

(proper noun)

Vocative, masculine, singular of madhusūdana

madhusūdana - slayer of Madhu (a demon); an epithet of Viṣṇu/Kṛṣṇa

Compound type : tatpuruṣa (madhu+sūdana)

• madhu – honey, sweet, Madhu (name of a demon)
  noun (neuter)
• sūdana – destroying, killing, slayer
  noun (masculine)
  agent noun
  derived from the root sūd (to kill) with suffix ana
  Root: sūd (class 10)