योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-34, verse-47

भुशुण्डीशक्तिशूलासिमुसलप्रासवृष्टयः ।
अन्योन्यच्छेदभेदाभ्यां करप्रकरतोऽपतन् ॥ ४७ ॥

bhuśuṇḍīśaktiśūlāsimusalaprāsavṛṣṭayaḥ ,
anyonyacchedabhedābhyāṃ karaprakarato'patan 47

47. bhuśuṇḍīśaktiśūlāsimusalaprāsavṛṣṭayaḥ
anyonyacchedabhedābhyām karaprakarataḥ apatan

47. bhuśuṇḍīśaktiśūlāsimusalaprāsavṛṣṭayaḥ
karaprakarataḥ anyonyacchedabhedābhyām apatan

47. Showers of various weapons like bhushundis, spears (śakti), pikes (śūla), swords, clubs, and javelins rained down from a multitude of hands, resulting in mutual cutting and piercing.

Words meanings summery:

• भुशुण्डीशक्तिशूलासिमुसलप्रासवृष्टयः (bhuśuṇḍīśaktiśūlāsimusalaprāsavṛṣṭayaḥ) - showers of bhushundis, shaktis, tridents, swords, clubs, and javelins

• अन्योन्यच्छेदभेदाभ्याम् (anyonyacchedabhedābhyām) - by mutual cutting and piercing

• करप्रकरतः (karaprakarataḥ) - from the multitude of hands

• अपतन् (apatan) - fell

Words meanings and morphology

भुशुण्डीशक्तिशूलासिमुसलप्रासवृष्टयः (bhuśuṇḍīśaktiśūlāsimusalaprāsavṛṣṭayaḥ) - showers of bhushundis, shaktis, tridents, swords, clubs, and javelins

(noun)

Nominative, feminine, plural of bhuśuṇḍīśaktiśūlāsimusalaprāsavṛṣṭi

bhuśuṇḍīśaktiśūlāsimusalaprāsavṛṣṭi - showers of bhushundis (a kind of weapon), spears, pikes, swords, clubs, and javelins

Compound type : Dvigu-garbha-ṣaṣṭhī-tatpuruṣa (bhuśuṇḍī+śakti+śūla+asi+musala+prāsa+vṛṣṭi)

• bhuśuṇḍī – a type of firearm or hand-missile
  noun (feminine)
• śakti – spear, lance, power
  noun (feminine)
• śūla – pike, trident, dart
  noun (masculine)
• asi – sword
  noun (masculine)
• musala – club, pestle
  noun (masculine)
• prāsa – javelin, dart, spear
  noun (masculine)
• vṛṣṭi – rain, shower
  noun (feminine)

Note: Nominative plural of the compound noun 'bhuśuṇḍīśaktiśūlāsimusalaprāsavṛṣṭi'.

अन्योन्यच्छेदभेदाभ्याम् (anyonyacchedabhedābhyām) - by mutual cutting and piercing

(noun)

Instrumental, masculine, dual of anyonyacchedabheda

anyonyacchedabheda - mutual cutting and piercing

Compound type : Dvandva-garbha-ṣaṣṭhī-tatpuruṣa (anyonya+ccheda+bheda)

• anyonya – mutual, each other
  pronoun
• ccheda – cutting, severing
  noun (masculine)
  Root: chid (class 7)
• bheda – piercing, splitting, differentiation
  noun (masculine)
  Root: bhid (class 7)

Note: Instrumental dual.

करप्रकरतः (karaprakarataḥ) - from the multitude of hands

(noun)

Ablative, masculine, singular of karaprakara

karaprakara - multitude of hands, mass of hands

Compound type : ṣaṣṭhī-tatpuruṣa (kara+prakara)

• kara – hand, ray
  noun (masculine)
  Root: kṛ (class 8)
• prakara – multitude, heap, mass
  noun (masculine)
  Prefix: pra
  Root: kṛ (class 8)

Note: Ablative singular, indicated by the suffix 'taḥ'.

अपतन् (apatan) - fell

(verb)

3rd person , plural, active, past imperfect (Laṅ) of pat

Root: pat (class 1)

Note: Third person plural imperfect.