महाभारतः mahābhārataḥ - book-7, chapter-135, verse-24

ततस्तमाचार्यसुतं धृष्टद्युम्नः प्रतापवान् ।
मर्मभिद्भिः शरैस्तीक्ष्णैर्जघान भरतर्षभ ॥२४॥

24. tatastamācāryasutaṁ dhṛṣṭadyumnaḥ pratāpavān ,
marmabhidbhiḥ śaraistīkṣṇairjaghāna bharatarṣabha.

24. tataḥ tam ācāryasutam dhṛṣṭadyumnaḥ pratāpavān
marmabhidbhiḥ śaraiḥ tīkṣṇaiḥ jaghāna bharatarṣabha

24. bharatarṣabha tataḥ pratāpavān dhṛṣṭadyumnaḥ tam
ācāryasutam tīkṣṇaiḥ marmabhidbhiḥ śaraiḥ jaghāna

24. Then, O best of Bharatas, the mighty Dhrishtadyumna struck that son of the preceptor with sharp arrows that pierced his vital spots.

Words meanings summery:

• ततः (tataḥ) - then, thereupon, from that

• तम् (tam) - him, that

• आचार्यसुतम् (ācāryasutam) - Ashvatthama, son of Drona (the son of the preceptor, the teacher's son)

• धृष्टद्युम्नः (dhṛṣṭadyumnaḥ) - Dhrishtadyumna

• प्रतापवान् (pratāpavān) - mighty, valorous, powerful

• मर्मभिद्भिः (marmabhidbhiḥ) - referring to the arrows (by those that pierce vital parts, by those that hit vulnerable spots)

• शरैः (śaraiḥ) - with arrows

• तीक्ष्णैः (tīkṣṇaiḥ) - with sharp arrows (with sharp, keen, pungent)

• जघान (jaghāna) - he struck, he slew, he hit

• भरतर्षभ (bharatarṣabha) - Addressing Dhritarashtra by Sanjaya (O best of Bharatas)

Words meanings and morphology

ततः (tataḥ) - then, thereupon, from that

(indeclinable)

तम् (tam) - him, that

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

आचार्यसुतम् (ācāryasutam) - Ashvatthama, son of Drona (the son of the preceptor, the teacher's son)

(noun)

Accusative, masculine, singular of ācāryasuta

ācāryasuta - son of the preceptor

Compound type : tatpurusha (ācārya+suta)

• ācārya – preceptor, teacher, master
  noun (masculine)
• suta – son, born
  noun (masculine)
  Past Passive Participle
  From root sū (to give birth, to produce)
  Root: sū (class 4)

धृष्टद्युम्नः (dhṛṣṭadyumnaḥ) - Dhrishtadyumna

(proper noun)

Nominative, masculine, singular of dhṛṣṭadyumna

dhṛṣṭadyumna - Dhrishtadyumna (name of a warrior)

प्रतापवान् (pratāpavān) - mighty, valorous, powerful

(adjective)

Nominative, masculine, singular of pratāpavat

pratāpavat - mighty, powerful, valorous, splendid

Derived with the suffix -mat from pratāpa (power, valor)

मर्मभिद्भिः (marmabhidbhiḥ) - referring to the arrows (by those that pierce vital parts, by those that hit vulnerable spots)

(adjective)

Instrumental, masculine, plural of marmabhid

marmabhid - piercing vital parts, hitting vulnerable spots

Compound formed from marman (vital part) and root bhid (to break, cleave)

Compound type : tatpurusha (marman+bhid)

• marman – vital part, vulnerable spot, secret
  noun (neuter)
• bhid – breaking, cleaving, piercing
  noun (feminine)
  From root bhid (to break, cleave)
  Root: bhid (class 7)

शरैः (śaraiḥ) - with arrows

(noun)

Instrumental, masculine, plural of śara

śara - arrow

तीक्ष्णैः (tīkṣṇaiḥ) - with sharp arrows (with sharp, keen, pungent)

(adjective)

Instrumental, masculine, plural of tīkṣṇa

tīkṣṇa - sharp, keen, pointed, fierce

जघान (jaghāna) - he struck, he slew, he hit

(verb)

3rd person , singular, active, perfect (liṭ) of han

Root: han (class 2)

भरतर्षभ (bharatarṣabha) - Addressing Dhritarashtra by Sanjaya (O best of Bharatas)

(noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - bull/best among Bharatas

Compound type : tatpurusha (bharata+ṛṣabha)

• bharata – a descendant of Bharata (an ancient king), an Indian
  proper noun (masculine)
• ṛṣabha – bull, best, excellent one
  noun (masculine)