महाभारतः mahābhārataḥ - book-1, chapter-57, verse-88

अस्त्रज्ञौ तु महावीर्यौ सर्वशस्त्रविशारदौ ।
सात्यकिः कृतवर्मा च नारायणमनुव्रतौ ।
सत्यकाद्धृदिकाच्चैव जज्ञातेऽस्त्रविशारदौ ॥८८॥

88. astrajñau tu mahāvīryau sarvaśastraviśāradau ,
sātyakiḥ kṛtavarmā ca nārāyaṇamanuvratau ,
satyakāddhṛdikāccaiva jajñāte'straviśāradau.

88. astrajñau tu mahāvīryau
sarvaśastraviśāradau sātyakiḥ kṛtavarmā
ca nārāyaṇānuvratau satyakāt
hṛdikāt ca eva jajñāte astraviśāradau

88. And Sātyaki and Kṛtavarmā, both greatly valorous and skilled in all weaponry, were devoted to Nārāyaṇa. These two experts in missile warfare were born from Satyaka and Hṛdika respectively.

Words meanings summery:

• अस्त्रज्ञौ (astrajñau) - experts in missile-warfare (knowing weapons, skilled in missiles (dual))

• तु (tu) - and (but, and, indeed, moreover)

• महावीर्यौ (mahāvīryau) - greatly valorous (greatly valorous, very powerful (dual))

• सर्वशस्त्रविशारदौ (sarvaśastraviśāradau) - skilled in all weaponry (expert in all weapons (dual))

• सात्यकिः (sātyakiḥ) - Sātyaki (Sātyaki (name of a Yādava warrior))

• कृतवर्मा (kṛtavarmā) - Kṛtavarmā (Kṛtavarmā (name of a Yādava warrior))

• च (ca) - and (and, also, moreover)

• नारायणानुव्रतौ (nārāyaṇānuvratau) - devoted to Nārāyaṇa (devoted to Nārāyaṇa (dual))

• सत्यकात् (satyakāt) - from Satyaka

• हृदिकात् (hṛdikāt) - from Hṛdika

• च (ca) - and (and, also, moreover)

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

• जज्ञाते (jajñāte) - they two were born

• अस्त्रविशारदौ (astraviśāradau) - (as) experts in missile-warfare (expert in missiles (dual))

Words meanings and morphology

अस्त्रज्ञौ (astrajñau) - experts in missile-warfare (knowing weapons, skilled in missiles (dual))

(adjective)

Nominative, masculine, dual of astrajña

astrajña - knowing weapons, skilled in missiles

From 'astra' (missile) + 'jña' (knowing).

Compound type : tatpuruṣa (astra+jña)

• astra – missile, projectile, weapon
  noun (neuter)
• jña – knowing, acquainted with, expert in
  adjective
  agent noun
  from 'jñā' (to know)
  Root: jñā (class 9)

तु (tu) - and (but, and, indeed, moreover)

(indeclinable)

महावीर्यौ (mahāvīryau) - greatly valorous (greatly valorous, very powerful (dual))

(adjective)

Nominative, masculine, dual of mahāvīrya

mahāvīrya - very powerful, greatly valorous, of great energy

Compound type : karmadhāraya (mahā+vīrya)

• mahā – great, mighty, extensive
  adjective
• vīrya – heroism, valor, strength, energy
  noun (neuter)

सर्वशस्त्रविशारदौ (sarvaśastraviśāradau) - skilled in all weaponry (expert in all weapons (dual))

(adjective)

Nominative, masculine, dual of sarvaśastraviśārada

sarvaśastraviśārada - expert in all weapons, skilled in every kind of weapon

Compound type : tatpuruṣa (sarvaśastra+viśārada)

• sarvaśastra – all weapons
  noun (neuter)
• viśārada – expert, skilled, proficient
  adjective
  Prefix: vi

सात्यकिः (sātyakiḥ) - Sātyaki (Sātyaki (name of a Yādava warrior))

(noun)

Nominative, masculine, singular of sātyaki

sātyaki - Sātyaki, a Yādava warrior, son of Satyaka

patronymic

descendant of Satyaka

Note: Proper noun.

कृतवर्मा (kṛtavarmā) - Kṛtavarmā (Kṛtavarmā (name of a Yādava warrior))

(noun)

Nominative, masculine, singular of kṛtavarman

kṛtavarman - Kṛtavarmā, a Yādava warrior, son of Hṛdika

lit. 'one whose armor is made' (i.e., prepared for battle)

Compound type : bahuvrīhi (kṛta+varman)

• kṛta – done, made, performed
  adjective (past participle)
  past participle
  from 'kṛ' (to do, make)
  Root: kṛ (class 8)
• varman – armor, coat of mail
  noun (neuter)

Note: Proper noun.

च (ca) - and (and, also, moreover)

(indeclinable)

नारायणानुव्रतौ (nārāyaṇānuvratau) - devoted to Nārāyaṇa (devoted to Nārāyaṇa (dual))

(adjective)

Nominative, masculine, dual of nārāyaṇānuvrata

nārāyaṇānuvrata - devoted to Nārāyaṇa, follower of Nārāyaṇa

'Nārāyaṇa' + 'anuvrata' (follower)

Compound type : tatpuruṣa (nārāyaṇa+anuvrata)

• nārāyaṇa – Nārāyaṇa, name of Viṣṇu
  noun (masculine)
• anuvrata – following, devoted to, adherent, obedient
  adjective
  from 'anu-vrat' (to follow a vow/rule)
  Prefix: anu
  Root: vrat (class 1)

सत्यकात् (satyakāt) - from Satyaka

(noun)

Ablative, masculine, singular of satyaka

satyaka - Satyaka, father of Sātyaki

हृदिकात् (hṛdikāt) - from Hṛdika

(noun)

Ablative, masculine, singular of hṛdika

hṛdika - Hṛdika, father of Kṛtavarmā

च (ca) - and (and, also, moreover)

(indeclinable)

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

(indeclinable)

जज्ञाते (jajñāte) - they two were born

(verb)

3rd person , dual, middle, perfect (lit) of jan

Perfect Middle, dual

Root: jan (class 4)

Note: Refers to Sātyaki and Kṛtavarmā.

अस्त्रविशारदौ (astraviśāradau) - (as) experts in missile-warfare (expert in missiles (dual))

(adjective)

Nominative, masculine, dual of astraviśārada

astraviśārada - expert in missiles, skilled in missile-warfare

From 'astra' (missile) + 'viśārada' (expert).

Compound type : tatpuruṣa (astra+viśārada)

• astra – missile, projectile, weapon
  noun (neuter)
• viśārada – expert, skilled, proficient
  adjective
  Prefix: vi

Note: Qualifies Sātyaki and Kṛtavarmā, indicating the state in which they were born.