महाभारतः mahābhārataḥ - book-7, chapter-98, verse-12

यदा गाण्डीवधन्वानं भीमसेनं च कौरव ।
यमौ च युधि द्रष्टासि तदा त्वं किं करिष्यसि ॥१२॥

12. yadā gāṇḍīvadhanvānaṁ bhīmasenaṁ ca kaurava ,
yamau ca yudhi draṣṭāsi tadā tvaṁ kiṁ kariṣyasi.

12. yadā gāṇḍīvadhanvānam bhīmasenam ca kaurava
yamau ca yudhi draṣṭāsi tadā tvam kim kariṣyasi

12. kaurava yadā yudhi gāṇḍīvadhanvānam bhīmasenam
ca yamau ca draṣṭāsi tadā tvam kim kariṣyasi

12. O Kaurava, when you see Arjuna, the wielder of the Gāṇḍīva bow, along with Bhīmasena and the two twins (Nakula and Sahadeva) in battle, what will you do then?

Words meanings summery:

• यदा (yadā) - when, at what time

• गाण्डीवधन्वानम् (gāṇḍīvadhanvānam) - referring to Arjuna (the wielder of the Gāṇḍīva bow, Arjuna)

• भीमसेनम् (bhīmasenam) - Bhīmasena

• च (ca) - and, also

• कौरव (kaurava) - addressing an opponent from the Kaurava side, likely Duryodhana or Karṇa (O descendant of Kuru, O Kaurava)

• यमौ (yamau) - referring to Nakula and Sahadeva (the two twins)

• च (ca) - and, also

• युधि (yudhi) - in battle, in war

• द्रष्टासि (draṣṭāsi) - you will see

• तदा (tadā) - then, at that time

• त्वम् (tvam) - you

• किम् (kim) - what, why

• करिष्यसि (kariṣyasi) - you will do

Words meanings and morphology

यदा (yadā) - when, at what time

(indeclinable)

गाण्डीवधन्वानम् (gāṇḍīvadhanvānam) - referring to Arjuna (the wielder of the Gāṇḍīva bow, Arjuna)

(noun)

Accusative, masculine, singular of gāṇḍīvadhanvan

gāṇḍīvadhanvan - one whose bow is Gāṇḍīva, wielder of the Gāṇḍīva bow (an epithet of Arjuna)

Compound type : bahuvrīhi (gāṇḍīva+dhanvan)

• gāṇḍīva – Arjuna's bow
  proper noun (neuter)
• dhanvan – bow, archer
  noun (neuter)

भीमसेनम् (bhīmasenam) - Bhīmasena

(proper noun)

Accusative, masculine, singular of bhīmasena

bhīmasena - Bhīmasena (a Pāṇḍava prince)

च (ca) - and, also

(indeclinable)

कौरव (kaurava) - addressing an opponent from the Kaurava side, likely Duryodhana or Karṇa (O descendant of Kuru, O Kaurava)

(proper noun)

Vocative, masculine, singular of kaurava

kaurava - descendant of Kuru, a Kaurava

यमौ (yamau) - referring to Nakula and Sahadeva (the two twins)

(noun)

Accusative, masculine, dual of yama

yama - twin, the god of death, restraint

च (ca) - and, also

(indeclinable)

युधि (yudhi) - in battle, in war

(noun)

Locative, feminine, singular of yudh

yudh - battle, war, fight

द्रष्टासि (draṣṭāsi) - you will see

(verb)

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

future active

root dṛś, future tense, 2nd person singular

Root: dṛś (class 1)

तदा (tadā) - then, at that time

(indeclinable)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of tvam

yuṣmad - you (singular)

किम् (kim) - what, why

(pronoun)

Nominative, neuter, singular of kim

kim - what, which, why, whether

करिष्यसि (kariṣyasi) - you will do

(verb)

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

future active

root kṛ, future tense, 2nd person singular

Root: kṛ (class 8)