महाभारतः mahābhārataḥ - book-5, chapter-47, verse-20

उपासङ्गादुद्धरन्दक्षिणेन परःशतान्नकुलश्चित्रयोधी ।
यदा रथाग्र्यो रथिनः प्रचेता तदा युद्धं धार्तराष्ट्रोऽन्वतप्स्यत् ॥२०॥

20. upāsaṅgāduddharandakṣiṇena; paraḥśatānnakulaścitrayodhī ,
yadā rathāgryo rathinaḥ pracetā; tadā yuddhaṁ dhārtarāṣṭro'nvatapsyat.

20. upāṅgāt uddharan dakṣiṇena paraḥśatān
nakulaḥ citrayodhī yadā
rathāgryaḥ rathinaḥ pracetā tadā
yuddham dhārtarāṣṭraḥ anvatapsyat

20. When Nakula, the wondrous warrior, draws out hundreds of arrows from his quiver with his right hand, and when he is the foremost and most attentive among charioteers, then Dhritarashtra's son will regret the war.

Words meanings summery:

• उपाङ्गात् (upāṅgāt) - from the quiver (from the quiver, from the side, from the subordinate part)

• उद्धरन् (uddharan) - drawing out (drawing out, taking out, lifting up)

• दक्षिणेन (dakṣiṇena) - with the right hand (with the right (hand), by the south, skillfully)

• परःशतान् (paraḥśatān) - hundreds of (arrows, implied) (exceeding a hundred, hundreds of)

• नकुलः (nakulaḥ) - Nakula (Nakula (one of the Pandavas))

• चित्रयोधी (citrayodhī) - a wondrous warrior (a wonderful fighter, a strange warrior)

• यदा (yadā) - when

• रथाग्र्यः (rathāgryaḥ) - foremost (among charioteers) (chief of chariots, best among chariots)

• रथिनः (rathinaḥ) - among charioteers (of charioteers, of chariot warriors)

• प्रचेता (pracetā) - attentive (attentive, skillful, intelligent, careful)

• तदा (tadā) - then (then, at that time)

• युद्धम् (yuddham) - the war (battle, war, fight)

• धार्तराष्ट्रः (dhārtarāṣṭraḥ) - Dhritarashtra's son (referring to Duryodhana implicitly) (son of Dhritarashtra, a Kaurava)

• अन्वतप्स्यत् (anvatapsyat) - will regret (will regret, will repent, will suffer for)

Words meanings and morphology

उपाङ्गात् (upāṅgāt) - from the quiver (from the quiver, from the side, from the subordinate part)

(noun)

Ablative, neuter, singular of upāṅga

upāṅga - a quiver, a subordinate part, a limb, a side

Prefix: upa

Root: aṅg (class 1)

उद्धरन् (uddharan) - drawing out (drawing out, taking out, lifting up)

(adjective)

Nominative, masculine, singular of uddharat

uddharat - drawing out, lifting up, saving

Present Active Participle

From ud-√hṛ (to draw out, lift up)

Prefix: ud

Root: hṛ (class 1)

Note: Modifies Nakulaḥ

दक्षिणेन (dakṣiṇena) - with the right hand (with the right (hand), by the south, skillfully)

(adjective)

Instrumental, masculine, singular of dakṣiṇa

dakṣiṇa - right, southern, skillful, clever

Note: Implies 'hastena' (hand)

परःशतान् (paraḥśatān) - hundreds of (arrows, implied) (exceeding a hundred, hundreds of)

(adjective)

Accusative, masculine, plural of paraḥśata

paraḥśata - exceeding a hundred, more than a hundred

Compound type : bahuvrihi (para+śata)

• para – other, supreme, subsequent, exceeding
  indeclinable
• śata – hundred
  noun (neuter)

Note: Acts as an adjective for implied 'bāṇān' (arrows)

नकुलः (nakulaḥ) - Nakula (Nakula (one of the Pandavas))

(proper noun)

Nominative, masculine, singular of nakula

nakula - Nakula (a proper name), a mongoose

Note: Subject of the sentence

चित्रयोधी (citrayodhī) - a wondrous warrior (a wonderful fighter, a strange warrior)

(adjective)

Nominative, masculine, singular of citrayodhin

citrayodhin - a wonderful fighter, a strange warrior

From citra (wonderful/strange) + yodhin (fighter)

Compound type : tatpurusha (citra+yodhin)

• citra – wonderful, strange, variegated, painting
  adjective (neuter)
• yodhin – fighting, a fighter, a warrior
  noun (masculine)
  Derived from root yudh (to fight)
  Root: yudh (class 4)

Note: Modifies Nakulaḥ

यदा (yadā) - when

(indeclinable)

Note: Conjunction for temporal clause

रथाग्र्यः (rathāgryaḥ) - foremost (among charioteers) (chief of chariots, best among chariots)

(adjective)

Nominative, masculine, singular of rathāgrya

rathāgrya - chief of chariots, best among chariots

From ratha (chariot) + agrya (foremost)

Compound type : tatpurusha (ratha+agrya)

• ratha – chariot
  noun (masculine)
• agrya – foremost, chief, best
  adjective (masculine)

Note: Modifies Nakulaḥ implicitly

रथिनः (rathinaḥ) - among charioteers (of charioteers, of chariot warriors)

(noun)

Genitive, masculine, plural of rathin

rathin - a charioteer, one who has a chariot

Note: Genitive of separation or partitive genitive

प्रचेता (pracetā) - attentive (attentive, skillful, intelligent, careful)

(adjective)

Nominative, masculine, singular of pracetas

pracetas - attentive, intelligent, wise

Prefix: pra

Root: cit (class 1)

Note: Modifies Nakulaḥ implicitly

तदा (tadā) - then (then, at that time)

(indeclinable)

Note: Conjunction for main clause

युद्धम् (yuddham) - the war (battle, war, fight)

(noun)

Accusative, neuter, singular of yuddha

yuddha - battle, war, fight

Past Passive Participle (often substantivized)

From root yudh (to fight)

Root: yudh (class 4)

Note: Object of 'anvatapsyat'

धार्तराष्ट्रः (dhārtarāṣṭraḥ) - Dhritarashtra's son (referring to Duryodhana implicitly) (son of Dhritarashtra, a Kaurava)

(proper noun)

Nominative, masculine, singular of dhārtarāṣṭra

dhārtarāṣṭra - son of Dhritarashtra, a Kaurava

Derived from Dhṛtarāṣṭra (Dhritarashtra)

Note: Subject of 'anvatapsyat'

अन्वतप्स्यत् (anvatapsyat) - will regret (will regret, will repent, will suffer for)

(verb)

3rd person , singular, active, conditional future (Lṛṅ) of anutap

From anu-√tap (to suffer after, to repent)

Prefix: anu

Root: tap (class 1)