महाभारतः mahābhārataḥ - book-5, chapter-140, verse-12

यदा द्रक्ष्यसि संग्रामे माद्रीपुत्रौ महारथौ ।
वाहिनीं धार्तराष्ट्राणां क्षोभयन्तौ गजाविव ॥१२॥

12. yadā drakṣyasi saṁgrāme mādrīputrau mahārathau ,
vāhinīṁ dhārtarāṣṭrāṇāṁ kṣobhayantau gajāviva.

12. yada drakṣyasi saṅgrāme mādrīputrau mahārathau
vāhinīm dhārtarāṣṭrāṇām kṣobhayantau gajau iva

12. yada saṅgrāme gajau iva dhārtarāṣṭrāṇām vāhinīm
kṣobhayantau mahārathau mādrīputrau drakṣyasi

12. When you see the two sons of Madri (Mādrīputrau), the great warriors, in battle, agitating the army of the Dhritarashtras like two elephants.

Words meanings summery:

• यद (yada) - when

• द्रक्ष्यसि (drakṣyasi) - you will see

• सङ्ग्रामे (saṅgrāme) - in battle, in war, in combat

• माद्रीपुत्रौ (mādrīputrau) - the two sons of Madri (Nakula and Sahadeva)

• महारथौ (mahārathau) - the two great warrior sons of Madri (two great warriors, two chariot-fighters)

• वाहिनीम् (vāhinīm) - army, host

• धार्तराष्ट्राणाम् (dhārtarāṣṭrāṇām) - of the Kauravas (of the sons of Dhṛtarāṣṭra)

• क्षोभयन्तौ (kṣobhayantau) - the two sons of Madri agitating the army (agitating, disturbing, stirring up)

• गजौ (gajau) - two elephants

• इव (iva) - like, as if, as it were

Words meanings and morphology

यद (yada) - when

(indeclinable)

द्रक्ष्यसि (drakṣyasi) - you will see

(verb)

2nd person , singular, active, future (lṛṭ) of drakṣyasi

future tense, active voice

From root dṛś, future stem drakṣya

Root: dṛś (class 1)

सङ्ग्रामे (saṅgrāme) - in battle, in war, in combat

(noun)

Locative, masculine, singular of saṅgrāma

saṅgrāma - battle, war, combat, conflict

Prefix: sam

Root: gram

माद्रीपुत्रौ (mādrīputrau) - the two sons of Madri (Nakula and Sahadeva)

(proper noun)

Accusative, masculine, dual of mādrīputra

mādrīputra - son of Madri; specifically, Nakula and Sahadeva

Compound type : tatpurusha (mādrī+putra)

• mādrī – Madri (wife of Pāṇḍu, mother of Nakula and Sahadeva)
  proper noun (feminine)
• putra – son, child
  noun (masculine)

महारथौ (mahārathau) - the two great warrior sons of Madri (two great warriors, two chariot-fighters)

(noun)

Accusative, masculine, dual of mahāratha

mahāratha - a great warrior, one who can fight ten thousand warriors; a great chariot

Compound type : karmadharaya (mahā+ratha)

• mahā – great, large, mighty
  adjective
• ratha – chariot; a warrior fighting from a chariot
  noun (masculine)

Note: Qualifies Mādrīputrau.

वाहिनीम् (vāhinīm) - army, host

(noun)

Accusative, feminine, singular of vāhinī

vāhinī - an army; a river; a line, a row

Root: vah

धार्तराष्ट्राणाम् (dhārtarāṣṭrāṇām) - of the Kauravas (of the sons of Dhṛtarāṣṭra)

(proper noun)

Genitive, masculine, plural of dhārtarāṣṭra

dhārtarāṣṭra - a son or descendant of Dhṛtarāṣṭra; a member of the Kaurava family

Patronymic from Dhṛtarāṣṭra

क्षोभयन्तौ (kṣobhayantau) - the two sons of Madri agitating the army (agitating, disturbing, stirring up)

(adjective)

Accusative, masculine, dual of kṣobhayant

kṣobhayant - agitating, causing to tremble, disturbing

present active participle (causative)

From causative stem of root kṣubh

Root: kṣubh (class 1)

Note: Qualifies Mādrīputrau.

गजौ (gajau) - two elephants

(noun)

Nominative, masculine, dual of gaja

gaja - elephant

इव (iva) - like, as if, as it were

(indeclinable)