योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-32, verse-53

इदं विचार्यतां शास्त्रमस्त्रमापन्निवारणम् ।
रणे शितशरश्रेणिशतनिर्लूनवारणे ॥ ५३ ॥

idaṃ vicāryatāṃ śāstramastramāpannivāraṇam ,
raṇe śitaśaraśreṇiśatanirlūnavāraṇe 53

53. idam vicāryatām śāstram astram āpat-nivāraṇam
raṇe śitaśaraśreṇiśatanirlūnavāraṇe

53. idam śāstram āpat-nivāraṇam astram vicāryatām
raṇe śitaśaraśreṇiśatanirlūnavāraṇe

53. Let this scripture (śāstra) be considered a weapon (astra) that averts calamity, just as in a battle (raṇa) where hundreds of sharp arrows cut down charging elephants.

Words meanings summery:

• इदम् (idam) - this (referring to the śāstra or the teaching being given) (this, this one)

• विचार्यताम् (vicāryatām) - let (this scripture) be contemplated/considered (let it be considered, should be examined, let it be pondered)

• शास्त्रम् (śāstram) - this particular scripture or teaching (śāstra) (scripture, sacred text, treatise, rule, instruction, science)

• अस्त्रम् (astram) - a spiritual or intellectual weapon (weapon, missile)

• आपत्-निवारणम् (āpat-nivāraṇam) - (a weapon) that wards off calamities (warding off calamity, averting distress)

• रणे (raṇe) - in battle, on the battlefield

• शितशरश्रेणिशतनिर्लूनवारणे (śitaśaraśreṇiśatanirlūnavāraṇe) - (locative description) in a combat where many sharp arrows have severed elephants (in a battle where hundreds of sharp arrow-arrays have cut down elephants)

Words meanings and morphology

इदम् (idam) - this (referring to the śāstra or the teaching being given) (this, this one)

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one, here

Demonstrative pronoun.

विचार्यताम् (vicāryatām) - let (this scripture) be contemplated/considered (let it be considered, should be examined, let it be pondered)

(verb)

3rd person , singular, passive, imperative (loṭ) of vicār

Passive Imperative 3rd person singular

From vi-car (to move about, ponder), causative stem cāraya-, passive stem vicārya-, Imperative ending -tām.

Prefix: vi

Root: car (class 1)

शास्त्रम् (śāstram) - this particular scripture or teaching (śāstra) (scripture, sacred text, treatise, rule, instruction, science)

(noun)

Nominative, neuter, singular of śāstra

śāstra - sacred text, scripture, treatise, rule, instruction, science

From śās (to command, instruct) with suffix -tra.

Root: śās (class 2)

Note: Also functions as the object `idam` is referring to.

अस्त्रम् (astram) - a spiritual or intellectual weapon (weapon, missile)

(noun)

Nominative, neuter, singular of astra

astra - weapon, missile, dart

From root as (to throw) with suffix -tra.

Root: as (class 4)

आपत्-निवारणम् (āpat-nivāraṇam) - (a weapon) that wards off calamities (warding off calamity, averting distress)

(adjective)

Nominative, neuter, singular of āpat-nivāraṇa

āpat-nivāraṇa - warding off calamity/distress

Tatpuruṣa compound: āpat (calamity) + nivāraṇa (warding off).

Compound type : tatpuruṣa (āpat+nivāraṇa)

• āpat – calamity, distress, misfortune, danger
  noun (feminine)
  From ā-pad (to fall into, to meet with).
  Prefix: ā
  Root: pad (class 4)
• nivāraṇa – warding off, averting, preventing, hindering
  noun (neuter)
  From ni-vṛ (to ward off, stop) with suffix -ana.
  Prefix: ni
  Root: vṛ (class 5)

रणे (raṇe) - in battle, on the battlefield

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, war, combat, conflict

From root raṇ (to delight, rejoice, sound, fight).

Root: raṇ (class 1)

Note: Refers to a battle in general, serving as a simile.

शितशरश्रेणिशतनिर्लूनवारणे (śitaśaraśreṇiśatanirlūnavāraṇe) - (locative description) in a combat where many sharp arrows have severed elephants (in a battle where hundreds of sharp arrow-arrays have cut down elephants)

(adjective)

Locative, masculine, singular of śitaśaraśreṇiśatanirlūnavāraṇa

śitaśaraśreṇiśatanirlūnavāraṇa - where elephants are completely cut down by hundreds of sharp arrow-series

Bahuvrīhi compound: (śita (sharp) + śara (arrow) + śreṇi (series) + śata (hundred)) + nirlūna (cut down) + vāraṇa (elephant). 'A battle in which elephants have been cut down by hundreds of sharp arrow-series.'

Compound type : bahuvrīhi (śita+śara+śreṇi+śata+nirlūna+vāraṇa)

• śita – sharpened, keen, whetted, swift
  adjective
  Past Passive Participle
  From root śo (to sharpen) or śi (to sharpen).
  Root: śo (class 4)
• śara – arrow, reed
  noun (masculine)
• śreṇi – row, series, line, multitude, class, array
  noun (feminine)
• śata – hundred
  numeral (neuter)
• nirlūna – cut off, severed, completely cut, torn off
  adjective
  Past Passive Participle
  From nir-lū (to cut, cut off).
  Prefix: nir
  Root: lū (class 9)
• vāraṇa – elephant; averting, hindering; shield
  noun (masculine)
  From vṛ (to cover, restrain, choose).
  Root: vṛ (class 5)

Note: Serves as an elaborate descriptor of `raṇe`.