महाभारतः mahābhārataḥ - book-5, chapter-150, verse-13

भविता विग्रहः सोऽयं तुमुलो लोमहर्षणः ।
तस्मात्सांग्रामिकं सर्वं कारयध्वमतन्द्रिताः ॥१३॥

13. bhavitā vigrahaḥ so'yaṁ tumulo lomaharṣaṇaḥ ,
tasmātsāṁgrāmikaṁ sarvaṁ kārayadhvamatandritāḥ.

13. bhavitā vigrahaḥ saḥ ayam tumulaḥ lomaharṣaṇaḥ
tasmāt sāṃgrāmikaṃ sarvaṃ kārayadhvam atandritāḥ

13. saḥ ayam tumulaḥ lomaharṣaṇaḥ vigrahaḥ bhavitā
tasmāt atandritāḥ sarvaṃ sāṃgrāmikaṃ kārayadhvam

13. This forthcoming battle will be tumultuous and hair-raising. Therefore, without laziness, arrange for all war-related preparations to be made.

Words meanings summery:

• भविता (bhavitā) - will be (will be, will happen)

• विग्रहः (vigrahaḥ) - battle (battle, conflict, war, separation, analysis)

• सः (saḥ) - that (that, he)

• अयम् (ayam) - this (this, he)

• तुमुलः (tumulaḥ) - tumultuous (tumultuous, dreadful, noisy, confused)

• लोमहर्षणः (lomaharṣaṇaḥ) - hair-raising (hair-raising, horrifying, causing goosebumps)

• तस्मात् (tasmāt) - therefore (therefore, from that)

• सांग्रामिकं (sāṁgrāmikaṁ) - war-related preparations (war-related, martial, fit for war)

• सर्वं (sarvaṁ) - all (all, every, whole)

• कारयध्वम् (kārayadhvam) - arrange for them to be made (cause to be done, make, arrange)

• अतन्द्रिताः (atandritāḥ) - without laziness (diligent, vigilant, untiring, without laziness)

Words meanings and morphology

भविता (bhavitā) - will be (will be, will happen)

(verb)

3rd person , singular, active, periphrastic future (luṭ) of bhū

Periphrastic Future (bhavitā, bhavitārau, bhavitāraḥ)

Third person singular masculine nominative of the agent noun formed with the suffix -tṛ, functioning as periphrastic future.

Root: bhū (class 1)

Note: It agrees with vigrahaḥ in gender, number, case, despite functioning as a verb.

विग्रहः (vigrahaḥ) - battle (battle, conflict, war, separation, analysis)

(noun)

Nominative, masculine, singular of vigraha

vigraha - battle, war, conflict, separation, analysis

From vi-grah (to seize, hold apart)

Prefix: vi

Root: grah (class 9)

Note: Subject of the sentence.

सः (saḥ) - that (that, he)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Points to vigrahaḥ.

अयम् (ayam) - this (this, he)

(pronoun)

Nominative, masculine, singular of idam

idam - this, he, she, it

Note: Points to vigrahaḥ. saḥ ayam emphasizes "this very" or "that very".

तुमुलः (tumulaḥ) - tumultuous (tumultuous, dreadful, noisy, confused)

(adjective)

Nominative, masculine, singular of tumula

tumula - tumultuous, noisy, dreadful, confused

लोमहर्षणः (lomaharṣaṇaḥ) - hair-raising (hair-raising, horrifying, causing goosebumps)

(adjective)

Nominative, masculine, singular of lomaharṣaṇa

lomaharṣaṇa - hair-raising, causing horripilation, horrifying

Agent noun from loman (hair) + harṣaṇa (causing excitement/bristling).

Compound type : tatpurusha (loman+harṣaṇa)

• loman – hair of the body, fur
  noun (neuter)
• harṣaṇa – causing joy, exciting, causing erection (of hair)
  adjective (masculine)
  causative derivative
  From root hṛṣ (to bristle, rejoice) + suffix ana.
  Root: hṛṣ (class 4)

Note: Adjective qualifying vigrahaḥ.

तस्मात् (tasmāt) - therefore (therefore, from that)

(indeclinable)

Note: Used as an adverb to indicate a consequence.

सांग्रामिकं (sāṁgrāmikaṁ) - war-related preparations (war-related, martial, fit for war)

(adjective)

Accusative, neuter, singular of sāṃgrāmika

sāṁgrāmika - relating to war, martial, fit for battle

Derived from saṃgrāma (battle) with suffix ika.

Note: Functions as a noun, meaning "all that is related to war."

सर्वं (sarvaṁ) - all (all, every, whole)

(pronoun)

Accusative, neuter, singular of sarva

sarva - all, every, whole, complete

कारयध्वम् (kārayadhvam) - arrange for them to be made (cause to be done, make, arrange)

(verb)

2nd person , plural, middle, imperative (loṭ) of kṛ

Causative Imperative, Middle Voice

Formed from the causative stem kāray + imperative 2nd person plural ending dhvam.

Root: kṛ (class 8)

Note: The implied subject is "you all" (plural kings/commanders).

अतन्द्रिताः (atandritāḥ) - without laziness (diligent, vigilant, untiring, without laziness)

(adjective)

Nominative, masculine, plural of atandrita

atandrita - not sluggish, diligent, vigilant, active

Negative prefix a + tandrita (sluggish, weary).

Compound type : nañ-tatpurusha (a+tandrita)

• a – not, un-, non-
  prefix/indeclinable
  Negative prefix.
• tandrita – sluggish, weary, lazy
  adjective (masculine)
  From root tand (to be weary, to be sluggish).
  Root: tand (class 1)

Note: Adjective in nominative plural, agreeing with the implied "you all".