महाभारतः mahābhārataḥ - book-16, chapter-7, verse-7

नित्यं त्वं कुरुशार्दूल कृष्णश्च मम पुत्रकः ।
तावुभौ वृष्णिनाशस्य मुखमास्तां धनंजय ॥७॥

7. nityaṁ tvaṁ kuruśārdūla kṛṣṇaśca mama putrakaḥ ,
tāvubhau vṛṣṇināśasya mukhamāstāṁ dhanaṁjaya.

7. nityam tvam kuruśārdūla kṛṣṇaḥ ca mama putrakaḥ
tau ubhau vṛṣṇināśasya mukham āstām dhanaṃjaya

7. kuruśārdūla dhanaṃjaya,
tvam ca mama putrakaḥ kṛṣṇaḥ ca,
tau ubhau nityam vṛṣṇināśasya mukham āstām.

7. O tiger among the Kurus, you, and my son Kṛṣṇa (kṛṣṇa), both of you always became the principal cause of the Vṛṣṇis' destruction, O Dhanañjaya.

Words meanings summery:

• नित्यम् (nityam) - always, constantly

• त्वम् (tvam) - you (Arjuna) (you)

• कुरुशार्दूल (kuruśārdūla) - O tiger among the Kurus (Arjuna) (O tiger among the Kurus)

• कृष्णः (kṛṣṇaḥ) - Kṛṣṇa

• च (ca) - and

• मम (mama) - my

• पुत्रकः (putrakaḥ) - dear son (referring to Kṛṣṇa, affectionately) (dear son (diminutive/affectionate))

• तौ (tau) - those two (Arjuna and Kṛṣṇa) (those (two))

• उभौ (ubhau) - both

• वृष्णिनाशस्य (vṛṣṇināśasya) - of the destruction of the Vṛṣṇis

• मुखम् (mukham) - principal cause (face, mouth, chief cause, principal means)

• आस्ताम् (āstām) - they were, they became

• धनंजय (dhanaṁjaya) - O Dhanañjaya (Arjuna) (O conqueror of wealth)

Words meanings and morphology

नित्यम् (nityam) - always, constantly

(indeclinable)

Note: Used as an adverb here.

त्वम् (tvam) - you (Arjuna) (you)

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

Note: Refers to Arjuna.

कुरुशार्दूल (kuruśārdūla) - O tiger among the Kurus (Arjuna) (O tiger among the Kurus)

(proper noun)

Vocative, masculine, singular of kuruśārdūla

kuruśārdūla - tiger among the Kurus (an epithet for a brave Kuru warrior)

Compound type : tatpuruṣa (kuru+śārdūla)

• kuru – member of the Kuru dynasty
  proper noun (masculine)
• śārdūla – tiger, best, foremost
  noun (masculine)

Note: An epithet for Arjuna.

कृष्णः (kṛṣṇaḥ) - Kṛṣṇa

(proper noun)

Nominative, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (a prominent deity and figure in the Mahābhārata)

च (ca) - and

(indeclinable)

मम (mama) - my

(pronoun)

Genitive, singular of asmad

asmad - I

Note: Speaker is Draupadī.

पुत्रकः (putrakaḥ) - dear son (referring to Kṛṣṇa, affectionately) (dear son (diminutive/affectionate))

(noun)

Nominative, masculine, singular of putraka

putraka - dear son, little son

Diminutive of 'putra' (son)

Note: An affectionate term for Kṛṣṇa by Draupadī.

तौ (tau) - those two (Arjuna and Kṛṣṇa) (those (two))

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

Note: Refers to Arjuna and Kṛṣṇa.

उभौ (ubhau) - both

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

Note: Used with 'tau' for emphasis 'those two, both of them'.

वृष्णिनाशस्य (vṛṣṇināśasya) - of the destruction of the Vṛṣṇis

(noun)

Genitive, masculine, singular of vṛṣṇināśa

vṛṣṇināśa - destruction of the Vṛṣṇis

Compound type : tatpuruṣa (vṛṣṇi+nāśa)

• vṛṣṇi – name of a Yādava clan, member of the Vṛṣṇi clan
  proper noun (masculine)
• nāśa – destruction, ruin
  noun (masculine)
  From root 'naś' (to perish)
  Root: naś (class 4)

मुखम् (mukham) - principal cause (face, mouth, chief cause, principal means)

(noun)

Accusative, neuter, singular of mukha

mukha - mouth, face, chief, principal, commencement

Note: Here, functions as a predicate nominative, but takes accusative due to verb 'as'.

आस्ताम् (āstām) - they were, they became

(verb)

3rd person , dual, active, past imperfect (laṅ) of as

Root: as (class 2)

Note: The root 'as' means 'to be'. Here, in past imperfect dual, meaning 'they were'.

धनंजय (dhanaṁjaya) - O Dhanañjaya (Arjuna) (O conqueror of wealth)

(proper noun)

Vocative, masculine, singular of dhanaṃjaya

dhanaṁjaya - conqueror of wealth (an epithet of Arjuna)

From 'dhana' (wealth) and 'jaya' (conqueror)

Compound type : tatpuruṣa (dhana+jaya)

• dhana – wealth, riches
  noun (neuter)
• jaya – victory, conqueror
  noun (masculine)
  From root 'ji' (to conquer)
  Root: ji (class 1)

Note: Another epithet for Arjuna.