योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-27, verse-36

अन्तरा क्षुभिते धैर्ये रिपोरमरनायक ।
न शस्त्राणि न चास्त्राणि न शास्त्राणि जयन्ति च ॥ ३६ ॥

antarā kṣubhite dhairye riporamaranāyaka ,
na śastrāṇi na cāstrāṇi na śāstrāṇi jayanti ca 36

36. antarā kṣubhite dhairye ripoḥ amaranāyaka | na
śastrāṇi na ca astrāṇi na śāstrāṇi jayanti ca || 36 ||

36. amaranāyaka,
ripoḥ dhairye antarā kṣubhite,
na śastrāṇi ca na astrāṇi ca na śāstrāṇi jayanti 36

36. O leader of immortals, when the enemy's inner courage (dhairya) is shaken, neither conventional weapons (śastra), nor missiles (astra), nor even strategic treatises (śāstra) prevail.

Words meanings summery:

• अन्तरा (antarā) - within, internally, amidst, in between

• क्षुभिते (kṣubhite) - when agitated, disturbed, shaken

• धैर्ये (dhairye) - in courage, in firmness, in steadiness

• रिपोः (ripoḥ) - of the enemy

• अमरनायक (amaranāyaka) - Addressed to a divine or powerful leader, possibly Indra or a general. (O leader of immortals)

• न (na) - not, no

• शस्त्राणि (śastrāṇi) - weapons, arms (melee/cutting)

• न (na) - not, no

• च (ca) - and, also

• अस्त्राणि (astrāṇi) - missiles, projectile weapons

• न (na) - not, no

• शास्त्राणि (śāstrāṇi) - Strategic treatises or military doctrines. (scriptures, sciences, treatises, rules)

• जयन्ति (jayanti) - conquer, prevail, are victorious

• च (ca) - and, also

Words meanings and morphology

अन्तरा (antarā) - within, internally, amidst, in between

(indeclinable)

क्षुभिते (kṣubhite) - when agitated, disturbed, shaken

(adjective)

Locative, neuter, singular of kṣubhita

kṣubhita - agitated, disturbed, shaken, excited

Past Passive Participle

From root 'kṣubh' (to agitate, be agitated).

Root: kṣubh (class 1)

Note: Used in a locative absolute construction.

धैर्ये (dhairye) - in courage, in firmness, in steadiness

(noun)

Locative, neuter, singular of dhairya

dhairya - courage, firmness, steadiness, patience, composure

Derived from 'dhīra' (firm, steady).

Note: Used in a locative absolute construction.

रिपोः (ripoḥ) - of the enemy

(noun)

Genitive, masculine, singular of ripu

ripu - enemy, foe, adversary

अमरनायक (amaranāyaka) - Addressed to a divine or powerful leader, possibly Indra or a general. (O leader of immortals)

(proper noun)

Vocative, masculine, singular of amaranāyaka

amaranāyaka - leader of immortals, chief of gods

Compound type : tatpurusha (amara+nāyaka)

• amara – immortal, god, deity
  noun (masculine)
  Compound of 'a' (not) and 'mara' (dying, mortal).
• nāyaka – leader, chief, guide, hero
  noun (masculine)
  From root 'nī' (to lead).
  Root: nī (class 1)

न (na) - not, no

(indeclinable)

शस्त्राणि (śastrāṇi) - weapons, arms (melee/cutting)

(noun)

Nominative, neuter, plural of śastra

śastra - weapon (cutting or thrusting), iron weapon, arm

From root 'śaṃs' (to praise) or 'śas' (to cut, slay).

Root: śas (class 2)

न (na) - not, no

(indeclinable)

च (ca) - and, also

(indeclinable)

अस्त्राणि (astrāṇi) - missiles, projectile weapons

(noun)

Nominative, neuter, plural of astra

astra - missile, projectile weapon, arrow

From root 'as' (to throw, cast).

Root: as (class 4)

न (na) - not, no

(indeclinable)

शास्त्राणि (śāstrāṇi) - Strategic treatises or military doctrines. (scriptures, sciences, treatises, rules)

(noun)

Nominative, neuter, plural of śāstra

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

From root 'śās' (to teach, instruct).

Root: śās (class 2)

जयन्ति (jayanti) - conquer, prevail, are victorious

(verb)

3rd person , plural, active, present (lat) of ji

Present tense, third person plural

Root: ji (class 1)

च (ca) - and, also

(indeclinable)

Note: Often used for emphasis or enumeration in Sanskrit, redundant in English with 'neither...nor'.