महाभारतः mahābhārataḥ - book-14, chapter-78, verse-26

विमुञ्चाम्येष बाणांस्ते पुत्र युद्धे स्थिरो भव ।
इत्येवमुक्त्वा नाराचैरभ्यवर्षदमित्रहा ॥२६॥

26. vimuñcāmyeṣa bāṇāṁste putra yuddhe sthiro bhava ,
ityevamuktvā nārācairabhyavarṣadamitrahā.

26. vimuñcāmi eṣa bāṇān te putra yuddhe sthiraḥ bhava
iti evam uktvā nārācaiḥ abhyavarṣat amitrahā

26. putra eṣa te bāṇān vimuñcāmi yuddhe sthiraḥ bhava
iti evam uktvā amitrahā nārācaiḥ abhyavarṣat

26. O son, I unleash these arrows upon you; remain steadfast in battle! Having spoken thus, the destroyer of enemies showered [him] with iron arrows.

Words meanings summery:

• विमुञ्चामि (vimuñcāmi) - I unleash (I release, I discharge)

• एष (eṣa) - these

• बाणान् (bāṇān) - arrows

• ते (te) - upon you (your, to you)

• पुत्र (putra) - O son

• युद्धे (yuddhe) - in battle, in war

• स्थिरः (sthiraḥ) - firm, steady, steadfast

• भव (bhava) - remain (be, become)

• इति (iti) - thus, in this manner (marks direct speech)

• एवम् (evam) - thus, in this manner

• उक्त्वा (uktvā) - having spoken, having said

• नाराचैः (nārācaiḥ) - with iron arrows

• अभ्यवर्षत् (abhyavarṣat) - showered upon, rained upon

• अमित्रहा (amitrahā) - destroyer of enemies

Words meanings and morphology

विमुञ्चामि (vimuñcāmi) - I unleash (I release, I discharge)

(verb)

1st person , singular, active, present (laṭ) of vimuñc

Present Active

1st person singular, Present, Active voice, from √muc (to release) with prefix vi-

Prefix: vi

Root: muc (class 6)

एष (eṣa) - these

(pronoun)

Accusative, masculine, plural of etad

etad - this

बाणान् (bāṇān) - arrows

(noun)

Accusative, masculine, plural of bāṇa

bāṇa - arrow

ते (te) - upon you (your, to you)

(pronoun)

Dative, singular of yuṣmad

yuṣmad - you

पुत्र (putra) - O son

(noun)

Vocative, masculine, singular of putra

putra - son

युद्धे (yuddhe) - in battle, in war

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, war, fight

Past Passive Participle (originally from √yudh)

from √yudh (to fight)

Root: yudh (class 4)

स्थिरः (sthiraḥ) - firm, steady, steadfast

(adjective)

Nominative, masculine, singular of sthira

sthira - firm, steady, constant, immovable

from √sthā (to stand)

Root: sthā (class 1)

भव (bhava) - remain (be, become)

(verb)

2nd person , singular, active, imperative (loṭ) of bhū

Imperative Active

2nd person singular, Imperative, Active voice, from √bhū (to be)

Root: bhū (class 1)

इति (iti) - thus, in this manner (marks direct speech)

(indeclinable)

एवम् (evam) - thus, in this manner

(indeclinable)

उक्त्वा (uktvā) - having spoken, having said

(indeclinable)

absolutive/gerund

from √vac (to speak)

Root: vac (class 2)

नाराचैः (nārācaiḥ) - with iron arrows

(noun)

Instrumental, masculine, plural of nārāca

nārāca - iron arrow, particular kind of arrow

अभ्यवर्षत् (abhyavarṣat) - showered upon, rained upon

(verb)

3rd person , singular, active, imperfect (laṅ) of abhivarṣ

Imperfect Active

3rd person singular, Imperfect, Active voice, from √vṛṣ (to rain) with prefixes abhi- and ā-

Prefixes: abhi+ā

Root: vṛṣ (class 1)

अमित्रहा (amitrahā) - destroyer of enemies

(adjective)

Nominative, masculine, singular of amitrahā

amitrahā - enemy-slayer, destroyer of foes

from amitra (enemy) + √han (to strike, kill)

Compound type : tatpurusha (amitra+han)

• amitra – enemy, not-friend
  noun (masculine)
  neg. a- + mitra (friend)
  Prefix: a
• han – killer, slayer
  noun (masculine)
  agent noun from √han
  Root: han (class 2)