योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-160, verse-51

निर्निर्गमाकृशाङ्गारमहाङ्गारप्रवेशनम् ।
शरशक्तिगदाप्रासभुशुण्डीचक्रवेधनम् ॥ ५१ ॥

nirnirgamākṛśāṅgāramahāṅgārapraveśanam ,
śaraśaktigadāprāsabhuśuṇḍīcakravedhanam 51

51. nirnirgamākṛśāṅgāramahāṅgāraprāveśanam
śaraśaktigadāprāsabhuśuṇḍīcakravedhanam

51. nirnirgamākṛśāṅgāramahāṅgāraprāveśanam
śaraśaktigadāprāsabhuśuṇḍīcakravedhanam

51. The entry into immense, robust coals and huge embers from which there is no escape; and the piercing by arrows, lances (śakti), maces, javelins, bhuśuṇḍīs, and discs.

Words meanings summery:

• निर्निर्गमाकृशाङ्गारमहाङ्गारप्रावेशनम् (nirnirgamākṛśāṅgāramahāṅgāraprāveśanam) - entry into immense, robust coals and huge embers from which there is no exit

• शरशक्तिगदाप्रासभुशुण्डीचक्रवेधनम् (śaraśaktigadāprāsabhuśuṇḍīcakravedhanam) - piercing by arrows, lances, maces, javelins, bhuśuṇḍīs, and discs

Words meanings and morphology

निर्निर्गमाकृशाङ्गारमहाङ्गारप्रावेशनम् (nirnirgamākṛśāṅgāramahāṅgāraprāveśanam) - entry into immense, robust coals and huge embers from which there is no exit

(noun)

neuter, singular of nirnirgamākṛśāṅgāramahāṅgāraprāveśana

nirnirgamākṛśāṅgāramahāṅgāraprāveśana - entry into immense, robust coals and huge embers from which there is no exit

Compound type : bahuvrihi-karmadharaya-tatpurusha (nirnirgama+akṛśa+aṅgāra+mahāṅgāra+praveśana)

• nirnirgama – without exit, having no way out, inescapable
  adjective
  Derived from nir- (negative prefix) + nir-√gam (to exit). Double negation emphasizing 'no exit'.
  Prefixes: nis+nis
  Root: gam (class 1)
• akṛśa – not thin, robust, strong, immense
  adjective
  Negation of kṛśa (thin, meagre) with 'a-'.
• aṅgāra – charcoal, live coal, ember
  noun (masculine)
• mahāṅgāra – huge ember/charcoal
  noun (masculine)
  Compound of mahā (great) and aṅgāra (charcoal).
• praveśana – entering, entry, admission
  noun (neuter)
  Action noun
  Derived from pra-√viś (to enter) with the suffix -ana.
  Prefix: pra
  Root: viś (class 6)

Note: The ending -am can indicate either nominative or accusative singular for neuter nouns. In this context, it functions as a descriptive noun in a list.

शरशक्तिगदाप्रासभुशुण्डीचक्रवेधनम् (śaraśaktigadāprāsabhuśuṇḍīcakravedhanam) - piercing by arrows, lances, maces, javelins, bhuśuṇḍīs, and discs

(noun)

neuter, singular of śaraśaktigadāprāsabhuśuṇḍīcakravedhana

śaraśaktigadāprāsabhuśuṇḍīcakravedhana - piercing by arrows, lances, maces, javelins, bhuśuṇḍīs, and discs

Compound type : dvandva-tatpurusha (śara+śakti+gadā+prāsa+bhuśuṇḍī+cakra+vedhana)

• śara – arrow
  noun (masculine)
  Derived from the root √śṛ (to break, crush).
  Root: śṛ (class 1)
• śakti – power, energy; spear, lance (weapon)
  noun (feminine)
  Derived from the root √śak (to be able). In this context, it specifically refers to a weapon.
  Root: śak (class 5)
• gadā – mace, club
  noun (feminine)
• prāsa – javelin, spear, dart
  noun (masculine)
  Derived from pra-√as (to throw, cast).
  Prefix: pra
  Root: as (class 4)
• bhuśuṇḍī – a type of missile weapon, handgun, sling-stone
  noun (feminine)
• cakra – disc, wheel, discus (weapon)
  noun (neuter)
  Derived from the root √kṛ (to do, make).
  Root: kṛ (class 8)
• vedhana – piercing, wounding, striking
  noun (neuter)
  Action noun
  Derived from the root √vyadh (to pierce, strike) with the suffix -ana.
  Root: vyadh (class 4)

Note: The ending -am can indicate either nominative or accusative singular for neuter nouns. In this context, it functions as a descriptive noun in a list.