महाभारतः mahābhārataḥ - book-5, chapter-51, verse-10

यस्य यन्ता हृषीकेशः शीलवृत्तसमो युधि ।
ध्रुवस्तस्य जयस्तात यथेन्द्रस्य जयस्तथा ॥१०॥

10. yasya yantā hṛṣīkeśaḥ śīlavṛttasamo yudhi ,
dhruvastasya jayastāta yathendrasya jayastathā.

10. yasya yantā hṛṣīkeśaḥ śīlavṛttasamaḥ yudhi dhruvaḥ
tasya jayaḥ tāta yathā indrasya jayaḥ tathā

10. O dear one, for whom Hrishikesha (Kṛṣṇa) is the charioteer, and whose conduct and character are perfectly steadfast in battle, his victory is certain, just as the victory of Indra is.

Words meanings summery:

• यस्य (yasya) - whose, of whom

• यन्ता (yantā) - charioteer, controller

• हृषीकेशः (hṛṣīkeśaḥ) - Hrishikesha (an epithet of Kṛṣṇa)

• शीलवृत्तसमः (śīlavṛttasamaḥ) - whose conduct and character are perfectly steadfast (whose conduct and character are steady/excellent/perfect)

• युधि (yudhi) - in battle, in war

• ध्रुवः (dhruvaḥ) - certain, constant, fixed

• तस्य (tasya) - his, of him

• जयः (jayaḥ) - victory

• तात (tāta) - O dear one (Saṃjaya addressing Dhṛtarāṣṭra) (O dear one (used as a term of address for father, son, or revered elder/friend))

• यथा (yathā) - just as, as

• इन्द्रस्य (indrasya) - of Indra

• जयः (jayaḥ) - victory

• तथा (tathā) - so, thus, in that way

Words meanings and morphology

यस्य (yasya) - whose, of whom

(pronoun)

Genitive, masculine, singular of yad

yad - who, which, what (relative pronoun)

यन्ता (yantā) - charioteer, controller

(noun)

Nominative, masculine, singular of yantṛ

yantṛ - charioteer, driver, controller

agent noun from root yam (to control)

Root: yam (class 1)

हृषीकेशः (hṛṣīkeśaḥ) - Hrishikesha (an epithet of Kṛṣṇa)

(proper noun)

Nominative, masculine, singular of hṛṣīkeśa

hṛṣīkeśa - master of the senses, lord of the senses (an epithet of Kṛṣṇa/Viṣṇu)

Compound type : bahuvrīhi (hṛṣīka+īśa)

• hṛṣīka – sense organ
  noun (neuter)
• īśa – lord, master
  noun (masculine)
  Root: īś (class 2)

शीलवृत्तसमः (śīlavṛttasamaḥ) - whose conduct and character are perfectly steadfast (whose conduct and character are steady/excellent/perfect)

(adjective)

Nominative, masculine, singular of śīlavṛttasama

śīlavṛttasama - of good conduct and character, steady in conduct, perfectly well-behaved

Compound type : dvandva-tatpurusha or karmadhāraya (śīla+vṛtta+sama)

• śīla – character, moral conduct, virtue
  noun (neuter)
• vṛtta – conduct, behavior, occurrence
  noun (neuter)
  past passive participle
  from root vṛt (to be, to exist, to behave)
  Root: vṛt (class 1)
• sama – equal, same, like, good, steady
  adjective (masculine)

Note: Refers to Arjuna (implied subject of 'yasya')

युधि (yudhi) - in battle, in war

(noun)

Locative, feminine, singular of yudh

yudh - battle, war

Root: yudh (class 4)

ध्रुवः (dhruvaḥ) - certain, constant, fixed

(adjective)

Nominative, masculine, singular of dhruva

dhruva - fixed, firm, constant, certain

तस्य (tasya) - his, of him

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Correlative to 'yasya'

जयः (jayaḥ) - victory

(noun)

Nominative, masculine, singular of jaya

jaya - victory, triumph

from root ji (to conquer)

Root: ji (class 1)

तात (tāta) - O dear one (Saṃjaya addressing Dhṛtarāṣṭra) (O dear one (used as a term of address for father, son, or revered elder/friend))

(noun)

Vocative, masculine, singular of tāta

tāta - father, son, dear one (term of affectionate address)

Note: Saṃjaya addressing Dhṛtarāṣṭra

यथा (yathā) - just as, as

(indeclinable)

इन्द्रस्य (indrasya) - of Indra

(proper noun)

Genitive, masculine, singular of indra

indra - Indra (king of the gods)

जयः (jayaḥ) - victory

(noun)

Nominative, masculine, singular of jaya

jaya - victory, triumph

from root ji (to conquer)

Root: ji (class 1)

तथा (tathā) - so, thus, in that way

(indeclinable)

Note: Correlative to 'yathā'