महाभारतः mahābhārataḥ - book-4, chapter-34, verse-12

योऽसौ बृहद्वारणाभो युवा सुप्रियदर्शनः ।
बृहन्नडेति विख्यातः पार्थस्यासीत्स सारथिः ॥१२॥

12. yo'sau bṛhadvāraṇābho yuvā supriyadarśanaḥ ,
bṛhannaḍeti vikhyātaḥ pārthasyāsītsa sārathiḥ.

12. yaḥ asau bṛhadvāraṇābhaḥ yuvā supriyadarśanaḥ
bṛhannadā iti vikhyātaḥ pārthasya āsīt saḥ sārathiḥ

12. That young man, who had the appearance of a great elephant and a very pleasing look, renowned by the name Bṛhannaḍā, he was Arjuna's (Pārtha's) charioteer.

Words meanings summery:

• यः (yaḥ) - who, which

• असौ (asau) - that one, he

• बृहद्वारणाभः (bṛhadvāraṇābhaḥ) - having the appearance of a great elephant

• युवा (yuvā) - young man, youth

• सुप्रियदर्शनः (supriyadarśanaḥ) - of very pleasing appearance, handsome

• बृहन्नदा (bṛhannadā) - Bṛhannaḍā (name of Arjuna in disguise)

• इति (iti) - thus, so, named

• विख्यातः (vikhyātaḥ) - renowned, famous, known

• पार्थस्य (pārthasya) - of Pārtha (Arjuna)

• आसीत् (āsīt) - was

• सः (saḥ) - he, that

• सारथिः (sārathiḥ) - charioteer, driver

Words meanings and morphology

यः (yaḥ) - who, which

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what, that

Note: Relative pronoun.

असौ (asau) - that one, he

(pronoun)

Nominative, masculine, singular of adas

adas - that, yonder, that one

Note: Demonstrative pronoun.

बृहद्वारणाभः (bṛhadvāraṇābhaḥ) - having the appearance of a great elephant

(adjective)

Nominative, masculine, singular of bṛhadvāraṇābha

bṛhadvāraṇābha - resembling a large elephant, having the splendor of a great elephant

Compound type : bahuvrīhi (bṛhat+vāraṇa+ābha)

• bṛhat – great, large, vast
  adjective (neuter)
• vāraṇa – elephant
  noun (masculine)
• ābha – luster, appearance, resemblance
  adjective (masculine)

Note: Adjective modifying 'yuva'.

युवा (yuvā) - young man, youth

(noun)

Nominative, masculine, singular of yuvan

yuvan - young, young man, youth

Note: Subject of the clause.

सुप्रियदर्शनः (supriyadarśanaḥ) - of very pleasing appearance, handsome

(adjective)

Nominative, masculine, singular of supriyadarśana

supriyadarśana - of good sight, pleasing to the eye, handsome

Compound type : bahuvrīhi (su+priya+darśana)

• su – good, well, excellent
  indeclinable
• priya – dear, beloved, pleasing
  adjective (masculine)
• darśana – sight, appearance, seeing
  noun (neuter)
  Derived from √dṛś (to see).
  Root: dṛś (class 1)

Note: Adjective modifying 'yuva'.

बृहन्नदा (bṛhannadā) - Bṛhannaḍā (name of Arjuna in disguise)

(proper noun)

Nominative, feminine, singular of bṛhannadā

bṛhannadā - Bṛhannaḍā (Arjuna's name during his incognito period as a eunuch teacher of dance and music in Virāṭa's court)

Note: Name by which he was known.

इति (iti) - thus, so, named

(indeclinable)

Note: Indicates that the preceding word is a name or a quotation.

विख्यातः (vikhyātaḥ) - renowned, famous, known

(adjective)

Nominative, masculine, singular of vikhyāta

vikhyāta - well-known, famous, renowned

past passive participle

Past passive participle of √khyā with prefix vi-.

Prefix: vi

Root: khyā (class 2)

Note: Modifies 'yuva'.

पार्थस्य (pārthasya) - of Pārtha (Arjuna)

(proper noun)

Genitive, masculine, singular of pārtha

pārtha - son of Pṛthā (a name for Arjuna)

Patronymic from Pṛthā.

Note: Possessive, 'Arjuna's'.

आसीत् (āsīt) - was

(verb)

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

Root: as (class 2)

Note: Linking verb.

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers back to 'yuva'.

सारथिः (sārathiḥ) - charioteer, driver

(noun)

Nominative, masculine, singular of sārathi

sārathi - charioteer, driver

Note: Predicate nominative.