महाभारतः mahābhārataḥ - book-3, chapter-180, verse-6

तथैव तस्य ब्रुवतः प्रत्यदृश्यत केशवः ।
सैन्यसुग्रीवयुक्तेन रथेन रथिनां वरः ॥६॥

6. tathaiva tasya bruvataḥ pratyadṛśyata keśavaḥ ,
sainyasugrīvayuktena rathena rathināṁ varaḥ.

6. tathā eva tasya bruvataḥ pratyadṛśyata keśavaḥ
sainyāsugrīvayuktena rathena rathinām varaḥ

6. Just as he was speaking thus, Keśava (Krishna), the best of charioteers, appeared, riding in his chariot, which was yoked with the horses Śainya and Sugrīva.

Words meanings summery:

• तथा (tathā) - thus, so, in that manner

• एव (eva) - just (as) (indeed, just, only)

• तस्य (tasya) - his, of him

• ब्रुवतः (bruvataḥ) - (while he was) speaking (speaking, saying (genitive singular))

• प्रत्यदृश्यत (pratyadṛśyata) - he appeared, was seen

• केशवः (keśavaḥ) - Keśava (Krishna)

• सैन्यासुग्रीवयुक्तेन (sainyāsugrīvayuktena) - yoked with Śainya and Sugrīva

• रथेन (rathena) - in his chariot (by chariot, with a chariot)

• रथिनाम् (rathinām) - of charioteers

• वरः (varaḥ) - best, excellent, choicest

Words meanings and morphology

तथा (tathā) - thus, so, in that manner

(indeclinable)

एव (eva) - just (as) (indeed, just, only)

(indeclinable)

तस्य (tasya) - his, of him

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Refers to the dvija (brahmin) from the previous verse.

ब्रुवतः (bruvataḥ) - (while he was) speaking (speaking, saying (genitive singular))

(adjective)

Genitive, masculine, singular of bruvat

bruvat - speaking, saying

Present Active Participle

Derived from root brū (to speak)

Root: brū (class 2)

Note: Agrees with tasya, forming a genitive absolute construction.

प्रत्यदृश्यत (pratyadṛśyata) - he appeared, was seen

(verb)

3rd person , singular, passive, past imperfect (laṅ) of prati-dṛś

Imperfect, 3rd person singular, middle/passive voice of root dṛś with prefix prati

Prefix: prati

Root: dṛś (class 1)

केशवः (keśavaḥ) - Keśava (Krishna)

(proper noun)

Nominative, masculine, singular of keśava

keśava - Keśava (epithet of Vishnu/Krishna, 'he who has beautiful hair' or 'slayer of the demon Keśī')

सैन्यासुग्रीवयुक्तेन (sainyāsugrīvayuktena) - yoked with Śainya and Sugrīva

(adjective)

Instrumental, masculine, singular of sainyāsugrīvayukta

sainyāsugrīvayukta - yoked with Sainya and Sugriva (names of horses)

Compound type : bahuvrihi (sainya+sugrīva+yukta)

• sainya – Śainya (name of one of Krishna's horses), belonging to an army
  proper noun (masculine)
• sugrīva – Sugrīva (name of one of Krishna's horses), having a beautiful neck
  proper noun (masculine)
• yukta – yoked, joined, equipped
  adjective (masculine)
  Past Passive Participle
  Derived from root yuj (to join)
  Root: yuj (class 7)

Note: Agrees with rathena.

रथेन (rathena) - in his chariot (by chariot, with a chariot)

(noun)

Instrumental, masculine, singular of ratha

ratha - chariot, car

रथिनाम् (rathinām) - of charioteers

(noun)

Genitive, masculine, plural of rathin

rathin - charioteer, one who possesses a chariot

वरः (varaḥ) - best, excellent, choicest

(adjective)

Nominative, masculine, singular of vara

vara - best, excellent, choicest, boon, bridegroom

Note: Used in the sense of 'the best of X' with rathinām.