महाभारतः mahābhārataḥ - book-5, chapter-163, verse-16

रथौ तौ रथशार्दूल मतौ मे रथसत्तमौ ।
क्षत्रधर्मरतौ वीरौ महत्कर्म करिष्यतः ॥१६॥

16. rathau tau rathaśārdūla matau me rathasattamau ,
kṣatradharmaratau vīrau mahatkarma kariṣyataḥ.

16. rathau tau rathaśārdūla matau me rathasattamau
kṣatradharmaratau vīrau mahat karma kariṣyataḥ

16. rathaśārdūla tau rathau me rathasattamau matau
kṣatradharmaratau vīrau mahat karma kariṣyataḥ

16. O best of charioteers, those two (princes) are considered by me to be the foremost among chariot-warriors. These two heroes, devoted to the natural law (dharma) of warriors, will accomplish a great task.

Words meanings summery:

• रथौ (rathau) - two chariots, two chariot-warriors

• तौ (tau) - those two

• रथशार्दूल (rathaśārdūla) - (addressed to the listener, e.g., Dhṛtarāṣṭra) (O tiger among chariots, O best of charioteers)

• मतौ (matau) - considered, thought to be, approved

• मे (me) - by me, to me, for me, my

• रथसत्तमौ (rathasattamau) - two best of chariot-warriors

• क्षत्रधर्मरतौ (kṣatradharmaratau) - two devoted to the warrior's dharma

• वीरौ (vīrau) - two heroes

• महत् (mahat) - great, mighty

• कर्म (karma) - deed, action, task

• करिष्यतः (kariṣyataḥ) - they two will do/make/accomplish

Words meanings and morphology

रथौ (rathau) - two chariots, two chariot-warriors

(noun)

Nominative, masculine, dual of ratha

ratha - chariot, car; a chariot-warrior

तौ (tau) - those two

(pronoun)

Nominative, masculine, dual of tad

tad - that, those

रथशार्दूल (rathaśārdūla) - (addressed to the listener, e.g., Dhṛtarāṣṭra) (O tiger among chariots, O best of charioteers)

(noun)

Vocative, masculine, singular of rathaśārdūla

rathaśārdūla - tiger among chariots, excellent charioteer (a simile, 'shardula' implying best)

Compound type : saptamī-tatpuruṣa (ratha+śārdūla)

• ratha – chariot, charioteer
  noun (masculine)
• śārdūla – tiger; excellent (used as a suffix)
  noun (masculine)

मतौ (matau) - considered, thought to be, approved

(adjective)

Nominative, masculine, dual of mata

mata - thought, opinion, believed, considered

past passive participle

From root man- 'to think'

Root: man (class 4)

मे (me) - by me, to me, for me, my

(pronoun)

Genitive, singular of asmad

asmad - I, me

Note: Enclitic form for genitive/dative singular.

रथसत्तमौ (rathasattamau) - two best of chariot-warriors

(noun)

Nominative, masculine, dual of rathasattama

rathasattama - best of chariots, best charioteer

Compound type : ṣaṣṭhī-tatpuruṣa (ratha+sattama)

• ratha – chariot, charioteer
  noun (masculine)
• sattama – best, most excellent
  adjective (masculine)
  Superlative suffix -tama

Note: Refers to the two princes.

क्षत्रधर्मरतौ (kṣatradharmaratau) - two devoted to the warrior's dharma

(adjective)

Nominative, masculine, dual of kṣatradharmarata

kṣatradharmarata - devoted to the duty/natural law of a kshatriya (warrior)

Compound type : saptamī-tatpuruṣa (kṣatradharma+rata)

• kṣatradharma – the natural law (dharma) or duty of a kshatriya (warrior)
  noun (masculine)
• rata – devoted, intent on, engaged in
  adjective (masculine)
  past passive participle
  From root ram- 'to delight, rejoice, engage'
  Root: ram (class 1)

Note: Compound of 'kshatra' (warrior class), 'dharma' (natural law/duty), and 'rata' (devoted).

वीरौ (vīrau) - two heroes

(noun)

Nominative, masculine, dual of vīra

vīra - hero, brave man, warrior

महत् (mahat) - great, mighty

(adjective)

Nominative, neuter, singular of mahat

mahat - great, large, mighty

Note: Modifies 'karma'.

कर्म (karma) - deed, action, task

(noun)

Accusative, neuter, singular of karman

karman - deed, action, work, ritual action, fate (karma)

From root kṛ- 'to do, make'

Root: kṛ (class 8)

Note: The object of 'kariṣyataḥ'.

करिष्यतः (kariṣyataḥ) - they two will do/make/accomplish

(verb)

3rd person , dual, active, future (lṛṭ) of kṛ

Root: kṛ (class 8)

Note: The future active dual of root kṛ.