महाभारतः mahābhārataḥ - book-8, chapter-50, verse-64

दुरात्मानं पापमतिं नृशंसं दुष्टप्रज्ञं पाण्डवेयेषु नित्यम् ।
हीनस्वार्थं पाण्डवेयैर्विरोधे हत्वा कर्णं धिष्ठितार्थो भवाद्य ॥६४॥

64. durātmānaṁ pāpamatiṁ nṛśaṁsaṁ; duṣṭaprajñaṁ pāṇḍaveyeṣu nityam ,
hīnasvārthaṁ pāṇḍaveyairvirodhe; hatvā karṇaṁ dhiṣṭhitārtho bhavādya.

64. dur-ātmānam pāpa-matim nṛ-śaṃsam
duṣṭa-prajñam pāṇḍaveyeṣu nityam
hīna-svārtham pāṇḍaveyaiḥ virodhe hatvā
karṇam dhiṣṭhita-arthaḥ bhava adya

64. adya dur-ātmānam pāpa-matim nṛ-śaṃsam duṣṭa-prajñam pāṇḍaveyeṣu nityam pāṇḍaveyaiḥ virodhe hīna-svārtham karṇam hatvā,
dhiṣṭhita-arthaḥ bhava

64. Today, having slain Karṇa—who is wicked-souled, evil-minded, cruel, constantly ill-disposed towards the Pāṇḍavas, and whose own welfare is diminished by his enmity with the Pāṇḍavas—become one who has accomplished his purpose.

Words meanings summery:

• दुर्-आत्मानम् (dur-ātmānam) - the wicked-souled, the evil person

• पाप-मतिम् (pāpa-matim) - the evil-minded, the sinful one

• नृ-शंसम् (nṛ-śaṁsam) - the cruel, the malicious

• दुष्ट-प्रज्ञम् (duṣṭa-prajñam) - the wicked-minded, the perversely intelligent

• पाण्डवेयेषु (pāṇḍaveyeṣu) - towards the Pāṇḍavas, among the Pāṇḍavas

• नित्यम् (nityam) - constantly, always, perpetually

• हीन-स्वार्थम् (hīna-svārtham) - one whose own interest is diminished, acting against one's self-interest

• पाण्डवेयैः (pāṇḍaveyaiḥ) - by the Pāṇḍavas, with the Pāṇḍavas

• विरोधे (virodhe) - in opposition, in antagonism, in enmity

• हत्वा (hatvā) - having killed, after killing

• कर्णम् (karṇam) - Karṇa

• धिष्ठित-अर्थः (dhiṣṭhita-arthaḥ) - one whose purpose is accomplished, having achieved one's goal

• भव (bhava) - become! be!

• अद्य (adya) - today, now

Words meanings and morphology

दुर्-आत्मानम् (dur-ātmānam) - the wicked-souled, the evil person

(adjective)

Accusative, masculine, singular of dur-ātman

dur-ātman - wicked-souled, evil-minded, malicious

Compound type : bahuvrīhi (dur+ātman)

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

पाप-मतिम् (pāpa-matim) - the evil-minded, the sinful one

(adjective)

Accusative, masculine, singular of pāpa-mati

pāpa-mati - evil-minded, wicked in thought

Compound type : bahuvrīhi (pāpa+mati)

• pāpa – evil, wicked, sinful; sin
  adjective (neuter)
• mati – mind, intellect, thought, intention
  noun (feminine)
  Root: man (class 4)

नृ-शंसम् (nṛ-śaṁsam) - the cruel, the malicious

(adjective)

Accusative, masculine, singular of nṛ-śaṃsa

nṛ-śaṁsa - cruel, wicked, atrocious

Compound type : tatpuruṣa (nṛ+śaṃsa)

• nṛ – man, human being
  noun (masculine)
• śaṃsa – curse, malediction, harm
  noun (masculine)
  From root 'śaṃs' (to praise, but here in a negative context related to harming)
  Root: śaṃs (class 1)

दुष्ट-प्रज्ञम् (duṣṭa-prajñam) - the wicked-minded, the perversely intelligent

(adjective)

Accusative, masculine, singular of duṣṭa-prajña

duṣṭa-prajña - wicked-minded, perverse in understanding

Compound type : bahuvrīhi (duṣṭa+prajñā)

• duṣṭa – corrupted, spoiled, wicked, depraved
  adjective (masculine)
  Past Passive Participle of 'duṣ' (to be corrupt)
  Root: duṣ (class 4)
• prajñā – wisdom, intelligence, discernment
  noun (feminine)
  From prefix 'pra-' and root 'jñā' (to know)
  Prefix: pra
  Root: jñā (class 9)

पाण्डवेयेषु (pāṇḍaveyeṣu) - towards the Pāṇḍavas, among the Pāṇḍavas

(proper noun)

Locative, masculine, plural of pāṇḍaveya

pāṇḍaveya - descendant of Pāṇḍu

Derived from 'Pāṇḍu' with patronymic suffix '-eya'

नित्यम् (nityam) - constantly, always, perpetually

(indeclinable)

हीन-स्वार्थम् (hīna-svārtham) - one whose own interest is diminished, acting against one's self-interest

(adjective)

Accusative, masculine, singular of hīna-svārtha

hīna-svārtha - one whose own advantage is diminished/lost

Compound type : bahuvrīhi (hīna+svārtha)

• hīna – left, abandoned, deficient, deprived of, diminished
  participle (masculine)
  Past Passive Participle
  Derived from root 'hā' (to abandon, lose) with suffix '-na'
  Root: hā (class 3)
• svārtha – own purpose, self-interest, one's own advantage
  noun (masculine)

पाण्डवेयैः (pāṇḍaveyaiḥ) - by the Pāṇḍavas, with the Pāṇḍavas

(proper noun)

Instrumental, masculine, plural of pāṇḍaveya

pāṇḍaveya - descendant of Pāṇḍu

Derived from 'Pāṇḍu' with patronymic suffix '-eya'

विरोधे (virodhe) - in opposition, in antagonism, in enmity

(noun)

Locative, masculine, singular of virodha

virodha - opposition, hostility, conflict, enmity

From prefix 'vi-' and root 'rudh' (to obstruct)

Prefix: vi

Root: rudh (class 7)

हत्वा (hatvā) - having killed, after killing

(indeclinable)

Absolutive (Gerund)

Derived from root 'han' with suffix '-tvā'

Root: han (class 2)

कर्णम् (karṇam) - Karṇa

(proper noun)

Accusative, masculine, singular of karṇa

karṇa - ear; a proper noun, Karṇa

धिष्ठित-अर्थः (dhiṣṭhita-arthaḥ) - one whose purpose is accomplished, having achieved one's goal

(adjective)

Nominative, masculine, singular of dhiṣṭhita-artha

dhiṣṭhita-artha - one whose purpose is attained/established

Compound type : bahuvrīhi (dhiṣṭhita+artha)

• dhiṣṭhita – placed, established, accomplished, attained
  participle (masculine)
  Past Passive Participle
  Derived from prefix 'adhi-' and root 'sthā' (to stand) with irregular form
  Prefix: adhi
  Root: sthā (class 1)
• artha – purpose, aim, meaning, wealth, goal
  noun (masculine)

भव (bhava) - become! be!

(verb)

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

Imperative 2nd singular

Root 'bhū' (Class 1, parasmaipada)

Root: bhū (class 1)

अद्य (adya) - today, now

(indeclinable)