महाभारतः mahābhārataḥ - book-5, chapter-158, verse-40

शस्त्रौघमक्षय्यमतिप्रवृद्धं यदावगाह्य श्रमनष्टचेताः ।
भविष्यसि त्वं हतसर्वबान्धवस्तदा मनस्ते परितापमेष्यति ॥४०॥

40. śastraughamakṣayyamatipravṛddhaṁ; yadāvagāhya śramanaṣṭacetāḥ ,
bhaviṣyasi tvaṁ hatasarvabāndhava;stadā manaste paritāpameṣyati.

40. śastra-ogham akṣayyam ati-pravṛddham
yadā avagāhya śrama-naṣṭa-cetāḥ
bhaviṣyasi tvam hata-sarva-bāndhavaḥ
tadā manaḥ te paritāpam eṣyati

40. yadā tvam akṣayyam ati-pravṛddham śastra-ogham avagāhya śrama-naṣṭa-cetāḥ hata-sarva-bāndhavaḥ bhaviṣyasi,
tadā te manaḥ paritāpam eṣyati

40. When you plunge into that exceedingly vast and inexhaustible torrent of weapons, and become one whose mind is exhausted by fatigue and whose every kinsman is slain, then your mind will surely be overcome with intense grief.

Words meanings summery:

• शस्त्र-ओघम् (śastra-ogham) - torrent of weapons (multitude of weapons; flood of weapons)

• अक्षय्यम् (akṣayyam) - inexhaustible (referring to the torrent of weapons) (inexhaustible, imperishable, indestructible)

• अति-प्रवृद्धम् (ati-pravṛddham) - exceedingly vast (referring to the torrent of weapons) (exceedingly grown, greatly increased, very vast)

• यदा (yadā) - when, at which time

• अवगाह्य (avagāhya) - having plunged into (the battle, metaphorically the torrent of weapons) (having plunged into, having entered)

• श्रम-नष्ट-चेताः (śrama-naṣṭa-cetāḥ) - one whose mind is exhausted by fatigue (whose mind is lost/exhausted due to fatigue)

• भविष्यसि (bhaviṣyasi) - you will be, you will become

• त्वम् (tvam) - you

• हत-सर्व-बान्धवः (hata-sarva-bāndhavaḥ) - one whose every kinsman is slain (whose all relatives are killed)

• तदा (tadā) - then, at that time

• मनः (manaḥ) - your mind (mind, intellect, heart)

• ते (te) - your (your, to you)

• परितापम् (paritāpam) - intense grief (grief, lamentation, affliction)

• एष्यति (eṣyati) - will be overcome (will go to) (will go, will attain)

Words meanings and morphology

शस्त्र-ओघम् (śastra-ogham) - torrent of weapons (multitude of weapons; flood of weapons)

(compound noun)

Compound type : tatpuruṣa (śastra+ogha)

• śastra – weapon, arm, sword
  noun (neuter)
• ogha – flood, torrent, multitude, mass
  noun (masculine)

अक्षय्यम् (akṣayyam) - inexhaustible (referring to the torrent of weapons) (inexhaustible, imperishable, indestructible)

(adjective)

Accusative, masculine, singular of akṣayya

akṣayya - inexhaustible, imperishable, indestructible

gerundive

from root kṣi (to destroy) with 'a' (negation) and suffix '-ya'

Root: kṣi (class 1)

अति-प्रवृद्धम् (ati-pravṛddham) - exceedingly vast (referring to the torrent of weapons) (exceedingly grown, greatly increased, very vast)

(compound adjective)

Compound type : karmadhāraya (ati+pravṛddha)

• ati – over, beyond, exceedingly, very
  indeclinable
• pravṛddha – grown, increased, large, vast
  adjective (neuter)
  past passive participle
  from pra + root vṛdh (to grow)
  Prefix: pra
  Root: vṛdh (class 1)

यदा (yadā) - when, at which time

(indeclinable)

अवगाह्य (avagāhya) - having plunged into (the battle, metaphorically the torrent of weapons) (having plunged into, having entered)

(indeclinable)

absolutive (gerund)

from ava + root gāh (to plunge) + suffix -ya

Prefix: ava

Root: gāh (class 1)

श्रम-नष्ट-चेताः (śrama-naṣṭa-cetāḥ) - one whose mind is exhausted by fatigue (whose mind is lost/exhausted due to fatigue)

(compound adjective)

Compound type : bahuvrīhi (śrama+naṣṭa+cetas)

• śrama – fatigue, weariness, toil, exertion
  noun (masculine)
  Root: śram (class 1)
• naṣṭa – lost, destroyed, perished
  adjective (neuter)
  past passive participle
  from root naś (to perish, be lost)
  Root: naś (class 4)
• cetas – mind, consciousness, intellect
  noun (neuter)

भविष्यसि (bhaviṣyasi) - you will be, you will become

(verb)

2nd person , singular, active, future (lṛṭ) of bhū

future tense

suffix -sya + personal ending

Root: bhū (class 1)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you (singular)

हत-सर्व-बान्धवः (hata-sarva-bāndhavaḥ) - one whose every kinsman is slain (whose all relatives are killed)

(compound adjective)

Compound type : bahuvrīhi (hata+sarva+bāndhava)

• hata – killed, struck, destroyed
  adjective (neuter)
  past passive participle
  from root han (to strike, kill)
  Root: han (class 2)
• sarva – all, every, whole
  pronoun (masculine)
• bāndhava – relative, kinsman
  noun (masculine)

तदा (tadā) - then, at that time

(indeclinable)

मनः (manaḥ) - your mind (mind, intellect, heart)

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, heart

ते (te) - your (your, to you)

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Note: enclitic form of genitive singular

परितापम् (paritāpam) - intense grief (grief, lamentation, affliction)

(noun)

Accusative, masculine, singular of paritāpa

paritāpa - grief, lamentation, affliction, distress

from pari + root tap (to heat, distress)

Prefix: pari

Root: tap (class 1)

एष्यति (eṣyati) - will be overcome (will go to) (will go, will attain)

(verb)

3rd person , singular, active, future (lṛṭ) of i

future tense

suffix -sya + personal ending

Root: i (class 2)