महाभारतः mahābhārataḥ - book-7, chapter-131, verse-13

मृदङ्गकेतोस्तस्य त्वं तेजसा निहतः पुरा ।
सकर्णसौबलः संख्ये विनाशं समुपेष्यसि ॥१३॥

13. mṛdaṅgaketostasya tvaṁ tejasā nihataḥ purā ,
sakarṇasaubalaḥ saṁkhye vināśaṁ samupeṣyasi.

13. mṛdaṅgaketoḥ tasya tvam tejasā nihataḥ purā
sakarṇasaubalaḥ saṅkhye vināśam samupeṣyasi

13. purā tvam tasya mṛdaṅgaketoḥ tejasā nihataḥ
sakarṇasaubalaḥ saṅkhye vināśam samupeṣyasi

13. You were previously struck down by the valor of that one whose banner bears a drum. Accompanied by Karṇa and Śakuni (Saubala), you will meet your destruction in battle.

Words meanings summery:

• मृदङ्गकेतोः (mṛdaṅgaketoḥ) - of Arjuna (whose banner bears a drum) (of him whose banner bears a drum)

• तस्य (tasya) - his, of that (one)

• त्वम् (tvam) - you

• तेजसा (tejasā) - by valor, by splendor, by prowess

• निहतः (nihataḥ) - struck down, defeated, killed

• पुरा (purā) - formerly, previously, in ancient times

• सकर्णसौबलः (sakarṇasaubalaḥ) - with Karṇa and Śakuni (Saubala)

• सङ्ख्ये (saṅkhye) - in battle, in the fight

• विनाशम् (vināśam) - destruction, ruin, disappearance

• समुपेष्यसि (samupeṣyasi) - you will approach, you will meet, you will attain

Words meanings and morphology

मृदङ्गकेतोः (mṛdaṅgaketoḥ) - of Arjuna (whose banner bears a drum) (of him whose banner bears a drum)

(noun)

Genitive, masculine, singular of mṛdaṅgaketu

mṛdaṅgaketu - one whose banner is a drum; (an epithet, often referring to Arjuna)

Compound type : bahuvrīhi (mṛdaṅga+ketu)

• mṛdaṅga – a type of drum, a musical instrument
  noun (masculine)
• ketu – banner, flag, ensign, sign
  noun (masculine)

तस्य (tasya) - his, of that (one)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

तेजसा (tejasā) - by valor, by splendor, by prowess

(noun)

Instrumental, neuter, singular of tejas

tejas - brilliance, splendor, power, valor, energy

निहतः (nihataḥ) - struck down, defeated, killed

(adjective)

Nominative, masculine, singular of nihata

nihata - struck down, killed, defeated, slain

Past Passive Participle

Derived from root han (to strike, kill) with prefix ni

Prefix: ni

Root: han (class 2)

पुरा (purā) - formerly, previously, in ancient times

(indeclinable)

सकर्णसौबलः (sakarṇasaubalaḥ) - with Karṇa and Śakuni (Saubala)

(adjective)

Nominative, masculine, singular of sakarṇasaubala

sakarṇasaubala - accompanied by Karṇa and Saubala (Śakuni); having Karṇa and Saubala

Compound type : bahuvrīhi (sa+karṇa+saubala)

• sa – with, accompanied by, endowed with
  indeclinable
• karṇa – Karṇa (a proper name, prominent warrior in the Mahābhārata)
  proper noun (masculine)
• saubala – Śakuni (son of Subala), a king of Gandhāra and Duryodhana's maternal uncle
  proper noun (masculine)

सङ्ख्ये (saṅkhye) - in battle, in the fight

(noun)

Locative, masculine, singular of saṅkhya

saṅkhya - battle, war, encounter, fight

विनाशम् (vināśam) - destruction, ruin, disappearance

(noun)

Accusative, masculine, singular of vināśa

vināśa - destruction, ruin, perishing, loss, disappearance

समुपेष्यसि (samupeṣyasi) - you will approach, you will meet, you will attain

(verb)

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

Prefixes: sam+upa

Root: iṣ (class 4)