योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-45, verse-27

इयं कीर्णमहारुद्रगणापूरितकोटरा ।
दीर्घाभ्रसरणिर्भ्रान्तध्वंसनेभ्यः प्रभाविनी ॥ २७ ॥

iyaṃ kīrṇamahārudragaṇāpūritakoṭarā ,
dīrghābhrasaraṇirbhrāntadhvaṃsanebhyaḥ prabhāvinī 27

27. iyam kīrṇamahārudragaṇāpūritakoṭarā
dīrghābhrasaraṇiḥ bhrāntadhvaṃsanebhyaḥ prabhāvinī

27. iyam kīrṇamahārudragaṇāpūritakoṭarā
dīrghābhrasaraṇiḥ bhrāntadhvaṃsanebhyaḥ prabhāvinī

27. This (manifestation) has its hollows filled with scattered hosts of great Rudras. It is a long path of clouds, and it is efficacious for the destruction of those who wander (in saṃsāra).

Words meanings summery:

• इयम् (iyam) - this (feminine)

• कीर्णमहारुद्रगणापूरितकोटरा (kīrṇamahārudragaṇāpūritakoṭarā) - whose hollows are filled with scattered hosts of great Rudras

• दीर्घाभ्रसरणिः (dīrghābhrasaraṇiḥ) - a long path of clouds

• भ्रान्तध्वंसनेभ्यः (bhrāntadhvaṁsanebhyaḥ) - for the destruction of wanderers/deluded ones

• प्रभाविनी (prabhāvinī) - powerful, efficacious, splendid

Words meanings and morphology

इयम् (iyam) - this (feminine)

(pronoun)

Nominative, feminine, singular of idam

idam - this, this one

कीर्णमहारुद्रगणापूरितकोटरा (kīrṇamahārudragaṇāpūritakoṭarā) - whose hollows are filled with scattered hosts of great Rudras

(adjective)

Nominative, feminine, singular of kīrṇamahārudragaṇāpūritakoṭarā

kīrṇamahārudragaṇāpūritakoṭarā - that which has its hollows filled with scattered hosts of great Rudras

Bahuvrīhi compound, describing 'iyam'

Compound type : Bahuvrīhi (kīrṇa+mahārudragaṇa+āpūrita+koṭara)

• kīrṇa – scattered, dispersed, strewed
  adjective (neuter)
  Past Passive Participle
  From root 'kṝ' (to scatter)
  Root: kṝ
• mahārudragaṇa – hosts of great Rudras
  noun (masculine)
• āpūrita – filled, completely filled
  adjective (neuter)
  Past Passive Participle
  From root 'pṝ' (to fill) with prefix 'ā'
  Prefix: ā
  Root: pṝ
• koṭara – hollow (of a tree), cavity, hole
  noun (masculine)

दीर्घाभ्रसरणिः (dīrghābhrasaraṇiḥ) - a long path of clouds

(noun)

Nominative, feminine, singular of dīrghābhrasaraṇi

dīrghābhrasaraṇi - a long path/course of clouds

Compound type : Tatpuruṣa (dīrgha+abhra+saraṇi)

• dīrgha – long, extensive
  adjective (masculine)
• abhra – cloud, sky
  noun (neuter)
• saraṇi – path, course, road, way
  noun (feminine)
  From root 'sṛ' (to go, move)
  Root: sṛ

भ्रान्तध्वंसनेभ्यः (bhrāntadhvaṁsanebhyaḥ) - for the destruction of wanderers/deluded ones

(noun)

plural of bhrāntadhvaṃsana

bhrāntadhvaṁsana - the destruction of delusion/wanderers

Compound type : Tatpuruṣa (bhrānta+dhvaṃsana)

• bhrānta – wandering, deluded, confused, mistaken
  adjective (neuter)
  Past Passive Participle
  From root 'bhram' (to wander, to err)
  Root: bhram
• dhvaṃsana – destroying, annihilation, scattering
  noun (neuter)
  From root 'dhvaṃs' (to fall to pieces, to perish)
  Root: dhvaṃs

Note: Used in dative plural, indicating purpose or recipient.

प्रभाविनी (prabhāvinī) - powerful, efficacious, splendid

(adjective)

Nominative, feminine, singular of prabhāvin

prabhāvin - powerful, influential, resplendent, glorious

From 'prabhāva' (power, glory) with suffix '-in'