योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-77, verse-23

कृतकर्कशनिर्ह्रादैरसुंरैरिव मारुतैः ।
उह्यमानवनव्यूहप्रोतवातायनैर्वृतम् ॥ २३ ॥

kṛtakarkaśanirhrādairasuṃrairiva mārutaiḥ ,
uhyamānavanavyūhaprotavātāyanairvṛtam 23

23. kṛtakarkaśanirhrādaiḥ asuraiḥ iva mārutaiḥ
uhyamānavanavyūhaprotavātāyanaiḥ vṛtam

23. vṛtam mārutaiḥ kṛtakarkaśanirhrādaiḥ iva
asuraiḥ uhyamānavanavyūhaprotavātāyanaiḥ

23. It is surrounded by winds, which roar harshly as if they were demons (asuras), and by masses of forests that are being carried along with their embedded windows.

Words meanings summery:

• कृतकर्कशनिर्ह्रादैः (kṛtakarkaśanirhrādaiḥ) - by those creating harsh roars; by those whose roars are harsh

• असुरैः (asuraiḥ) - by the demons (asuras)

• इव (iva) - like, as if

• मारुतैः (mārutaiḥ) - by the winds

• उह्यमानवनव्यूहप्रोतवातायनैः (uhyamānavanavyūhaprotavātāyanaiḥ) - by windows embedded in masses of forests being carried along

• वृतम् (vṛtam) - surrounded, covered, enveloped

Words meanings and morphology

कृतकर्कशनिर्ह्रादैः (kṛtakarkaśanirhrādaiḥ) - by those creating harsh roars; by those whose roars are harsh

(adjective)

Instrumental, masculine, plural of kṛtakarkaśanirhrāda

kṛtakarkaśanirhrāda - making harsh roars

Compound type : bahuvrīhi (kṛta+karkaśa+nirhrāda)

• kṛta – made, done, caused
  participle (masculine)
  Past Passive Participle
  From root `kṛ` (to do, make).
  Root: kṛ (class 8)
• karkaśa – harsh, rough, severe
  adjective (masculine)
• nirhrāda – roar, loud sound
  noun (masculine)
  From `nis-√hrād` (to sound).
  Prefix: nis
  Root: hrād (class 1)

Note: Adjective in instrumental plural, modifying `mārutaiḥ`.

असुरैः (asuraiḥ) - by the demons (asuras)

(noun)

Instrumental, masculine, plural of asura

asura - demon, titan; anti-god (asura)

इव (iva) - like, as if

(indeclinable)

मारुतैः (mārutaiḥ) - by the winds

(noun)

Instrumental, masculine, plural of māruta

māruta - wind, air; Marut (a class of deities)

उह्यमानवनव्यूहप्रोतवातायनैः (uhyamānavanavyūhaprotavātāyanaiḥ) - by windows embedded in masses of forests being carried along

(adjective)

Instrumental, neuter, plural of uhyamānavanavyūhaprotavātāyana

uhyamānavanavyūhaprotavātāyana - characterized by windows embedded in masses of forests carried along

Compound type : bahuvrīhi (uhyamānavanavyūhaprota+vātāyana)

• uhyamāna – being carried, borne along
  participle (masculine)
  Present Passive Participle
  From root `vah` (to carry) in passive voice, with `śānac` suffix.
  Root: vah (class 1)
• vana – forest, wood
  noun (neuter)
• vyūha – array, mass, collection
  noun (masculine)
• prota – pierced, threaded, embedded
  participle (masculine)
  Past Passive Participle
  From `pra-√ve` (to weave, pierce).
  Prefix: pra
  Root: ve (class 2)
• vātāyana – window, air-passage
  noun (neuter)

Note: Adjective in instrumental plural, modifying the implied subject of `vṛtam`.

वृतम् (vṛtam) - surrounded, covered, enveloped

(participle)

neuter, singular of vṛta

vṛta - surrounded, covered, chosen, appointed

Past Passive Participle

From root `vṛ` (to cover, surround).

Root: vṛ (class 5)

Note: This participle functions as a main predicate, implying 'it is surrounded'.