महाभारतः mahābhārataḥ - book-7, chapter-161, verse-13

तेषामस्त्राणि सर्वेषामुत्तमास्त्रविदां वरः ।
कदर्थीकृत्य राजेन्द्र शरवर्षैरवाकिरत् ॥१३॥

13. teṣāmastrāṇi sarveṣāmuttamāstravidāṁ varaḥ ,
kadarthīkṛtya rājendra śaravarṣairavākirat.

13. teṣām astrāṇi sarveṣām uttamāstravidām varaḥ
kadarthīkṛtya rājendra śaravarṣaiḥ avākirat

13. rāja-indra,
uttamāstravidām varaḥ teṣām sarveṣām astrāṇi kadarthīkṛtya śaravarṣaiḥ avākirat.

13. O king, the foremost among those skilled in excellent weapons (Arjuna), having easily neutralized all their weapons, showered them with torrents of arrows.

Words meanings summery:

• तेषाम् (teṣām) - of those warriors who attacked Arjuna (of them, their)

• अस्त्राणि (astrāṇi) - the arrows and other weapons used by the enemy warriors (weapons, missiles)

• सर्वेषाम् (sarveṣām) - of all, of everyone

• उत्तमास्त्रविदाम् (uttamāstravidām) - of the attacking warriors (of those skilled in excellent weapons)

• वरः (varaḥ) - the best (Arjuna) (best, excellent, choicest)

• कदर्थीकृत्य (kadarthīkṛtya) - having rendered useless, having despised, having made light of

• राजेन्द्र (rājendra) - Dhṛtarāṣṭra, to whom Saṃjaya is narrating. (O king, O best of kings)

• शरवर्षैः (śaravarṣaiḥ) - with showers of arrows, with torrents of arrows

• अवाकिरत् (avākirat) - he scattered, he showered, he spread

Words meanings and morphology

तेषाम् (teṣām) - of those warriors who attacked Arjuna (of them, their)

(pronoun)

Genitive, masculine, plural of tad

tad - that, he, she, it

Note: Refers to Duryodhana, Karṇa, Śakuni, etc.

अस्त्राणि (astrāṇi) - the arrows and other weapons used by the enemy warriors (weapons, missiles)

(noun)

Accusative, neuter, plural of astra

astra - weapon, missile, arrow

Root: as (class 4)

Note: Object of 'kadarthīkṛtya'.

सर्वेषाम् (sarveṣām) - of all, of everyone

(pronoun)

Genitive, masculine, plural of sarva

sarva - all, every, whole

Note: Qualifies 'teṣām' and implicitly 'astravidām'.

उत्तमास्त्रविदाम् (uttamāstravidām) - of the attacking warriors (of those skilled in excellent weapons)

(noun)

Genitive, masculine, plural of uttamāstravid

uttamāstravid - knower of excellent weapons, skilled in superior missiles

Compound type : tatpuruṣa (uttama+astra+vid)

• uttama – best, highest, excellent
  adjective
• astra – weapon, missile
  noun (neuter)
• vid – knower, understanding
  noun
  From root √vid (to know)
  Root: vid

Note: Dependent on 'varaḥ'.

वरः (varaḥ) - the best (Arjuna) (best, excellent, choicest)

(noun)

Nominative, masculine, singular of vara

vara - best, excellent, choicest; boon

Note: Refers to Arjuna. Subject of 'avākirat'.

कदर्थीकृत्य (kadarthīkṛtya) - having rendered useless, having despised, having made light of

(indeclinable)

absolutive (gerund)

From 'kadartha' (worthless) + suffix 'īkṛ' (to make) + suffix -ya (after upasarga)

Compound type : compound verb (kadartha+kṛ)

• kadartha – bad meaning, bad purpose, worthless
  adjective
• kṛ – to make, to do
  verb
  Root: kṛ (class 8)

Note: Describes the action performed by Arjuna before showering arrows.

राजेन्द्र (rājendra) - Dhṛtarāṣṭra, to whom Saṃjaya is narrating. (O king, O best of kings)

(noun)

Vocative, masculine, singular of rājendra

rājendra - best of kings, chief of kings

Compound type : tatpuruṣa (rājan+indra)

• rājan – king
  noun (masculine)
• indra – chief, lord; the god Indra
  noun (masculine)

Note: Direct address by Saṃjaya.

शरवर्षैः (śaravarṣaiḥ) - with showers of arrows, with torrents of arrows

(noun)

Instrumental, neuter, plural of śaravarṣa

śaravarṣa - rain of arrows, shower of arrows

Compound type : tatpuruṣa (śara+varṣa)

• śara – arrow
  noun (masculine)
• varṣa – rain, showering
  noun (neuter)
  Root: vṛṣ

Note: Instrument of 'avākirat'.

अवाकिरत् (avākirat) - he scattered, he showered, he spread

(verb)

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

imperfect active 3rd person singular

From prefix 'ava' + root √kṛ (class 6, 'kirati') in imperfect active 3rd person singular.

Prefix: ava

Root: kṛ (class 6)

Note: Subject is 'varaḥ' (Arjuna).