महाभारतः mahābhārataḥ - book-4, chapter-53, verse-19

ततः शरसहस्रेण रथं पार्थस्य वीर्यवान् ।
अवाकिरत्ततो द्रोणः शीघ्रमस्त्रं विदर्शयन् ॥१९॥

19. tataḥ śarasahasreṇa rathaṁ pārthasya vīryavān ,
avākirattato droṇaḥ śīghramastraṁ vidarśayan.

19. tataḥ śarasahasreṇa rathaṃ pārthasya vīryavān
avākirat tataḥ droṇaḥ śīghram astraṃ vidarśayan

19. Then, the powerful Drona, swiftly demonstrating his skill in weaponry, showered Arjuna's chariot with a thousand arrows.

Words meanings summery:

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

• शरसहस्रेण (śarasahasreṇa) - with a thousand arrows

• रथम् (ratham) - Arjuna's chariot (chariot)

• पार्थस्य (pārthasya) - of Arjuna (of Arjuna, of the son of Pṛthā)

• वीर्यवान् (vīryavān) - the powerful one (Drona) (powerful, valorous, heroic)

• अवाकिरत् (avākirat) - he (Drona) showered (he showered, he covered)

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

• द्रोणः (droṇaḥ) - Drona (the preceptor) (Drona (name of a character))

• शीघ्रम् (śīghram) - swiftly (quickly, swiftly)

• अस्त्रम् (astram) - skill in weaponry, art of archery (weapon, missile, projectile, military science)

• विदर्शयन् (vidarśayan) - displaying (his skill) (displaying, showing)

Words meanings and morphology

ततः (tataḥ) - then (then, thereupon)

(indeclinable)

शरसहस्रेण (śarasahasreṇa) - with a thousand arrows

(compound noun)

Compound type : ṣaṣṭhī-tatpuruṣa (śara+sahasra)

• śara – arrow, reed
  noun (masculine)
• sahasra – thousand
  noun (neuter)

रथम् (ratham) - Arjuna's chariot (chariot)

(noun)

Accusative, masculine, singular of ratha

ratha - chariot, car

पार्थस्य (pārthasya) - of Arjuna (of Arjuna, of the son of Pṛthā)

(proper noun)

Genitive, masculine, singular of pārtha

pārtha - son of Pṛthā (Kunti), an epithet of Arjuna, Yudhishthira, Bhima

Derivative from Pṛthā (Kunti)

Note: Refers to Arjuna.

वीर्यवान् (vīryavān) - the powerful one (Drona) (powerful, valorous, heroic)

(adjective)

Nominative, masculine, singular of vīryavat

vīryavat - powerful, strong, valorous, heroic

Suffix -vat meaning 'having'

Note: Modifies Drona.

अवाकिरत् (avākirat) - he (Drona) showered (he showered, he covered)

(verb)

3rd person , singular, active, past imperfect (laṅ) of avakīr

Prefix: ava

Root: kīr (class 6)

ततः (tataḥ) - then (then, thereupon)

(indeclinable)

Note: Redundancy for emphasis, or to mark a new clause.

द्रोणः (droṇaḥ) - Drona (the preceptor) (Drona (name of a character))

(proper noun)

Nominative, masculine, singular of droṇa

droṇa - Drona (a proper name, the preceptor of the Pandavas and Kauravas)

Note: Subject of avākirat.

शीघ्रम् (śīghram) - swiftly (quickly, swiftly)

(indeclinable)

Note: Adverbial accusative, 'quickly'.

अस्त्रम् (astram) - skill in weaponry, art of archery (weapon, missile, projectile, military science)

(noun)

Accusative, neuter, singular of astra

astra - weapon, missile, projectile, military science

Root: as (class 4)

Note: Object of 'vidarśayan'.

विदर्शयन् (vidarśayan) - displaying (his skill) (displaying, showing)

(adjective)

Nominative, masculine, singular of vidarśay

vidarśay - to show, to display, to exhibit

Present Active Participle (causative stem)

Causative stem of vi-√dṛś

Prefix: vi

Root: dṛś (class 1)

Note: Participle agreeing with Drona.