महाभारतः mahābhārataḥ - book-3, chapter-84, verse-7

भीष्मद्रोणावतिरथौ कृपो द्रौणिश्च दुर्जयः ।
धृतराष्ट्रस्य पुत्रेण वृता युधि महाबलाः ।
सर्वे वेदविदः शूराः सर्वेऽस्त्रकुशलास्तथा ॥७॥

7. bhīṣmadroṇāvatirathau kṛpo drauṇiśca durjayaḥ ,
dhṛtarāṣṭrasya putreṇa vṛtā yudhi mahābalāḥ ,
sarve vedavidaḥ śūrāḥ sarve'strakuśalāstathā.

7. bhīṣmadroṇau atirathau kṛpaḥ droṇiḥ
ca durjayaḥ dhṛtarāṣṭrasya putreṇa
vṛtāḥ yudhi mahābalāḥ sarve
vedavidaḥ śūrāḥ sarve astrakūśalāḥ tathā

7. Bhīṣma and Droṇa, who are great warriors (atirathas), along with Kṛpa and the invincible Droṇi, were chosen by Dhṛtarāṣṭra's son for battle. All of these mighty individuals are learned in the Vedas, are brave heroes, and are also skilled in the use of weapons.

Words meanings summery:

• भीष्मद्रोणौ (bhīṣmadroṇau) - Bhīṣma and Droṇa

• अतिरथौ (atirathau) - two great warriors

• कृपः (kṛpaḥ) - Kṛpa

• द्रोणिः (droṇiḥ) - Droṇi (Aśvatthāmā)

• च (ca) - and

• दुर्जयः (durjayaḥ) - invincible, difficult to conquer

• धृतराष्ट्रस्य (dhṛtarāṣṭrasya) - of Dhṛtarāṣṭra

• पुत्रेण (putreṇa) - by Duryodhana (by the son)

• वृताः (vṛtāḥ) - chosen, surrounded, accompanied

• युधि (yudhi) - in battle, in war

• महाबलाः (mahābalāḥ) - mighty, very powerful

• सर्वे (sarve) - all, everyone

• वेदविदः (vedavidaḥ) - knowers of the Vedas

• शूराः (śūrāḥ) - heroes, brave ones

• सर्वे (sarve) - all, everyone

• अस्त्रकूशलाः (astrakūśalāḥ) - skilled in weapons

• तथा (tathā) - thus, so, similarly

Words meanings and morphology

भीष्मद्रोणौ (bhīṣmadroṇau) - Bhīṣma and Droṇa

(proper noun)

Nominative, masculine, dual of bhīṣmadroṇa

bhīṣmadroṇa - Bhīṣma and Droṇa (two major characters in the Mahābhārata)

Compound type : dvandva (bhīṣma+droṇa)

• bhīṣma – Bhīṣma (a Kuru elder)
  proper noun (masculine)
• droṇa – Droṇa (teacher of the Kauravas and Pāṇḍavas)
  proper noun (masculine)

अतिरथौ (atirathau) - two great warriors

(noun)

Nominative, masculine, dual of atiratha

atiratha - a great warrior, a maharathi, one who is skilled in chariot warfare and can fight against many at once

Compound type : tatpuruṣa (ati+ratha)

• ati – very, exceedingly, over
  indeclinable
• ratha – chariot, charioteer
  noun (masculine)

Note: A specific class of warrior, superior to 'ratha'.

कृपः (kṛpaḥ) - Kṛpa

(proper noun)

Nominative, masculine, singular of kṛpa

kṛpa - Kṛpa (a warrior and guru in the Mahābhārata)

द्रोणिः (droṇiḥ) - Droṇi (Aśvatthāmā)

(proper noun)

Nominative, masculine, singular of droṇi

droṇi - son of Droṇa, Aśvatthāmā

Note: Another name for Aśvatthāmā, son of Droṇa.

च (ca) - and

(indeclinable)

दुर्जयः (durjayaḥ) - invincible, difficult to conquer

(adjective)

Nominative, masculine, singular of durjaya

durjaya - difficult to conquer, invincible, impregnable

Gerundive

Derived from root ji (to conquer) with upasarga dur- (difficult)

Compound type : tatpuruṣa (dur+jaya)

• dur – bad, difficult, ill
  indeclinable
• jaya – conquest, victory
  noun (masculine)
  Root: ji (class 1)

Note: It is a kṛt affix -ya, hence gerundive.

धृतराष्ट्रस्य (dhṛtarāṣṭrasya) - of Dhṛtarāṣṭra

(proper noun)

Genitive, masculine, singular of dhṛtarāṣṭra

dhṛtarāṣṭra - Dhṛtarāṣṭra (king of Hastinapura, father of the Kauravas)

पुत्रेण (putreṇa) - by Duryodhana (by the son)

(noun)

Instrumental, masculine, singular of putra

putra - son

वृताः (vṛtāḥ) - chosen, surrounded, accompanied

(adjective)

Nominative, masculine, plural of vṛta

vṛta - chosen, selected, surrounded, covered

Past Passive Participle

Derived from root vṛ- (to choose, to cover)

Root: vṛ (class 5)

युधि (yudhi) - in battle, in war

(noun)

Locative, feminine, singular of yudh

yudh - battle, war, combat

महाबलाः (mahābalāḥ) - mighty, very powerful

(adjective)

Nominative, masculine, plural of mahābala

mahābala - great strength, mighty, very powerful

Compound type : karmadhāraya (mahā+bala)

• mahā – great, mighty
  adjective
• bala – strength, power, force
  noun (neuter)

सर्वे (sarve) - all, everyone

(pronoun)

Nominative, masculine, plural of sarva

sarva - all, every, whole, entire

वेदविदः (vedavidaḥ) - knowers of the Vedas

(noun)

Nominative, masculine, plural of vedavid

vedavid - knower of the Vedas, skilled in Vedic lore

Compound type : ṣaṣṭhī-tatpuruṣa (veda+vid)

• veda – Veda (sacred Hindu texts)
  noun (masculine)
• vid – knower, learned
  noun (masculine)
  Root: vid (class 2)

शूराः (śūrāḥ) - heroes, brave ones

(noun)

Nominative, masculine, plural of śūra

śūra - hero, brave man, warrior

सर्वे (sarve) - all, everyone

(pronoun)

Nominative, masculine, plural of sarva

sarva - all, every, whole, entire

अस्त्रकूशलाः (astrakūśalāḥ) - skilled in weapons

(adjective)

Nominative, masculine, plural of astrakūśala

astrakūśala - skilled in weapons, adept in military arts

Compound type : saptamī-tatpuruṣa (astra+kuśala)

• astra – missile, weapon
  noun (neuter)
• kuśala – skilled, clever, expert
  adjective (masculine)

Note: The meaning is "skilled in weapons", hence a saptamī tatpuruṣa.

तथा (tathā) - thus, so, similarly

(indeclinable)