योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-50, verse-14

धारानिकृत्तशस्त्रौघमस्त्रयोर्युध्यमानयोः ।
मदस्त्रवारणेनेव वज्राविजरपर्वतम् ॥ १४ ॥

dhārānikṛttaśastraughamastrayoryudhyamānayoḥ ,
madastravāraṇeneva vajrāvijaraparvatam 14

14. dhārānikṛttaśastraugham astrayoḥ yudhyamānayoḥ
madastravāraṇena iva vajrāvajaraparvatam

14. yudhyamānayoḥ astrayoḥ dhārānikṛttaśastraugham
madastravāraṇena iva vajrāvajaraparvatam

14. As the two combatants fought with their weapons, continuous streams (of blows) cut down a multitude of weapons, just as a furious war-elephant (would demolish) an ageless mountain, impervious even to a thunderbolt.

Words meanings summery:

• धारानिकृत्तशस्त्रौघम् (dhārānikṛttaśastraugham) - a multitude of weapons cut down by continuous streams of blows/attacks (a multitude of weapons cut down by streams/edges)

• अस्त्रयोः (astrayoḥ) - of the two fighting combatants/warriors (of the two weapons; of the two combatants/warriors)

• युध्यमानयोः (yudhyamānayoḥ) - of the two fighting combatants/warriors (of the two fighting ones)

• मदस्त्रवारणेन (madastravāraṇena) - by a furious war-elephant (by a furious war-elephant; by a maddened weapon-elephant)

• इव (iva) - just as (like, as if, similar to)

• वज्रावजरपर्वतम् (vajrāvajaraparvatam) - an ageless mountain, impervious even to a thunderbolt (an ageless mountain (impervious to) a thunderbolt)

Words meanings and morphology

धारानिकृत्तशस्त्रौघम् (dhārānikṛttaśastraugham) - a multitude of weapons cut down by continuous streams of blows/attacks (a multitude of weapons cut down by streams/edges)

(noun)

Accusative, masculine, singular of dhārānikṛttaśastraugha

dhārānikṛttaśastraugha - multitude of weapons cut by streams/edges

Compound type : Tatpuruṣa (dhārānikṛtta+śastraugha)

• dhārānikṛtta – cut down by streams/edges
  adjective (masculine)
  Past Passive Participle
  Compound of 'dhārā' and 'nikṛtta'. 'nikṛtta' from root 'kṛt' (to cut) with prefix 'ni'.
  Prefix: ni
  Root: kṛt (class 6)
• dhārā – stream, continuous flow, edge (of a weapon)
  noun (feminine)
• nikṛtta – cut down, severed
  adjective (neuter)
  Past Passive Participle
  From root 'kṛt' (to cut) with prefix 'ni'.
  Prefix: ni
  Root: kṛt (class 6)
• śastraugha – multitude of weapons
  noun (masculine)
  Compound of 'śastra' and 'ogha'.
• śastra – weapon, missile
  noun (neuter)
• ogha – multitude, flood, stream
  noun (masculine)

अस्त्रयोः (astrayoḥ) - of the two fighting combatants/warriors (of the two weapons; of the two combatants/warriors)

(noun)

Genitive, neuter, dual of astra

astra - weapon, missile

युध्यमानयोः (yudhyamānayoḥ) - of the two fighting combatants/warriors (of the two fighting ones)

(adjective)

Genitive, masculine, dual of yudhyamāna

yudhyamāna - fighting, warring

Present Middle Participle

From root 'yudh' (to fight) with suffix '-māna'.

Root: yudh (class 4)

Note: Agrees with 'astrayoḥ', here interpreted as 'combatants'.

मदस्त्रवारणेन (madastravāraṇena) - by a furious war-elephant (by a furious war-elephant; by a maddened weapon-elephant)

(noun)

Instrumental, masculine, singular of madastravāraṇa

madastravāraṇa - furious war-elephant

Compound of 'mada', 'astra', and 'vāraṇa'. Mada here describes the state of the elephant, 'astra' implies it's a war-elephant.

Compound type : Tatpuruṣa (mada+astra+vāraṇa)

• mada – fury, intoxication, rut, pride
  noun (masculine)
• astra – weapon, missile
  noun (neuter)
• vāraṇa – elephant, warding off, obstacle
  noun (masculine)

इव (iva) - just as (like, as if, similar to)

(indeclinable)

वज्रावजरपर्वतम् (vajrāvajaraparvatam) - an ageless mountain, impervious even to a thunderbolt (an ageless mountain (impervious to) a thunderbolt)

(noun)

Accusative, masculine, singular of vajrāvajaraparvata

vajrāvajaraparvata - an ageless mountain (resistant to) Vajra

Compound of 'vajra', 'avijara', and 'parvata'.

Compound type : Bahuvrihi/Tatpuruṣa (vajra+avijara+parvata)

• vajra – thunderbolt (Indra's weapon), diamond
  noun (neuter)
• avijara – ageless, imperishable, unfading
  adjective (masculine)
  Negative prefix 'a-' + 'vijara' (perishable, fading).
• parvata – mountain, hill
  noun (masculine)