महाभारतः mahābhārataḥ - book-9, chapter-61, verse-38

ततः संप्रेषयामासुर्यादवं नागसाह्वयम् ।
स च प्रायाज्जवेनाशु वासुदेवः प्रतापवान् ।
दारुकं रथमारोप्य येन राजाम्बिकासुतः ॥३८॥

38. tataḥ saṁpreṣayāmāsuryādavaṁ nāgasāhvayam ,
sa ca prāyājjavenāśu vāsudevaḥ pratāpavān ,
dārukaṁ rathamāropya yena rājāmbikāsutaḥ.

38. tataḥ sampreṣayāmāsuḥ yādavam
nāgasāhvayam saḥ ca prāyāt javenā āśu
vāsudevaḥ pratāpavān dārukam
ratham āropya yena rājā ambikāsutaḥ

38. tataḥ pāṇḍavāḥ nāgasāhvayākhyam pratāpavān vāsudevaḥ yādavam sampreṣayāmāsuḥ saḥ ca dārukam ratham āropya yena ambikāsutaḥ rājā (āsīt),
teन javenā āśu prāyāt

38. Then, the Pāṇḍavas sent the mighty Vāsudeva (Kṛṣṇa), a Yādava identified with Nāgasāhva. And he swiftly proceeded, making Dāruka mount the chariot, towards King Dhṛtarāṣṭra, the son of Ambikā.

Words meanings summery:

• ततः (tataḥ) - then, thereupon, from that

• सम्प्रेषयामासुः (sampreṣayāmāsuḥ) - they sent forth, they dispatched

• यादवम् (yādavam) - a descendant of Yadu, a Yādava (Kṛṣṇa)

• नागसाह्वयम् (nāgasāhvayam) - named Nāga, called Nāga (epithet for Kṛṣṇa)

• सः (saḥ) - he

• च (ca) - and, also

• प्रायात् (prāyāt) - he went, he proceeded

• जवेना (javenā) - with speed, quickly

• आशु (āśu) - quickly, swiftly

• वासुदेवः (vāsudevaḥ) - Vāsudeva (Kṛṣṇa)

• प्रतापवान् (pratāpavān) - mighty, glorious, powerful

• दारुकम् (dārukam) - Dāruka (Kṛṣṇa's charioteer)

• रथम् (ratham) - chariot

• आरोप्य (āropya) - having made to mount, having caused to ascend

• येन (yena) - towards where (by which, by whom, to which place)

• राजा (rājā) - king

• अम्बिकासुतः (ambikāsutaḥ) - son of Ambikā (Dhṛtarāṣṭra)

Words meanings and morphology

ततः (tataḥ) - then, thereupon, from that

(indeclinable)

सम्प्रेषयामासुः (sampreṣayāmāsuḥ) - they sent forth, they dispatched

(verb)

3rd person , plural, active, perfect (lit) of preṣ

root `iṣ` with `pra` prefix, in causal form `preṣaya`, perfect tense `āmāsuḥ`

Prefixes: sam+pra

Root: iṣ (class 4)

यादवम् (yādavam) - a descendant of Yadu, a Yādava (Kṛṣṇa)

(proper noun)

Accusative, masculine, singular of yādava

yādava - descendant of Yadu, belonging to the Yadu family

नागसाह्वयम् (nāgasāhvayam) - named Nāga, called Nāga (epithet for Kṛṣṇa)

(adjective)

Accusative, masculine, singular of nāgasāhvaya

nāgasāhvaya - having the name Nāga, called Nāga, named after Nāga

Compound type : tatpuruṣa (nāga+sāhvaya)

• nāga – serpent, snake; elephant; name of a people or city
  noun (masculine)
• sāhvaya – having the same name, called, named
  adjective (masculine)

सः (saḥ) - he

(pronoun)

Nominative, masculine, singular of tad

tad - that, this, he, she, it

च (ca) - and, also

(indeclinable)

प्रायात् (prāyāt) - he went, he proceeded

(verb)

3rd person , singular, active, past imperfect (laṅ) of pra-i

Prefix: pra

Root: i (class 2)

जवेना (javenā) - with speed, quickly

(noun)

Instrumental, masculine, singular of java

java - speed, swiftness, velocity

आशु (āśu) - quickly, swiftly

(indeclinable)

Note: Used as an adverb here.

वासुदेवः (vāsudevaḥ) - Vāsudeva (Kṛṣṇa)

(proper noun)

Nominative, masculine, singular of vāsudeva

vāsudeva - son of Vasudeva, name of Kṛṣṇa

प्रतापवान् (pratāpavān) - mighty, glorious, powerful

(adjective)

Nominative, masculine, singular of pratāpavat

pratāpavat - mighty, glorious, powerful, majestic, possessing splendor

possessive suffix `vat`

दारुकम् (dārukam) - Dāruka (Kṛṣṇa's charioteer)

(proper noun)

Accusative, masculine, singular of dāruka

dāruka - name of Kṛṣṇa's charioteer

रथम् (ratham) - chariot

(noun)

Accusative, masculine, singular of ratha

ratha - chariot, car, vehicle

आरोप्य (āropya) - having made to mount, having caused to ascend

(indeclinable)

Absolutive

root `ruh` with `ā` prefix, in causal sense, ending in `ya`

Prefix: ā

Root: ruh (class 1)

येन (yena) - towards where (by which, by whom, to which place)

(pronoun)

Instrumental, masculine, singular of yad

yad - which, who, what

Note: Used here to denote direction 'towards where'

राजा (rājā) - king

(noun)

Nominative, masculine, singular of rājan

rājan - king, ruler, sovereign

अम्बिकासुतः (ambikāsutaḥ) - son of Ambikā (Dhṛtarāṣṭra)

(proper noun)

Nominative, masculine, singular of ambikāsuta

ambikāsuta - son of Ambikā (specifically Dhṛtarāṣṭra)

Compound type : tatpuruṣa (ambikā+suta)

• ambikā – name of one of the mothers of Dhṛtarāṣṭra, wife of Vicitravīrya
  proper noun (feminine)
• suta – son, child
  noun (masculine)