योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-112, verse-4

चतुरायुधधाराग्रचूर्णनीहारधारिणः ।
विद्युद्वलयिनो वाता वेल्लितायुधवारिदाः ॥ ४ ॥

caturāyudhadhārāgracūrṇanīhāradhāriṇaḥ ,
vidyudvalayino vātā vellitāyudhavāridāḥ 4

4. caturāyudhadhārāgracūrṇanīhāradhāriṇaḥ
vidyudvalayinaḥ vātāḥ vellitāyudhavāridāḥ

4. vātāḥ caturāyudhadhārāgracūrṇanīhāradhāriṇaḥ
vidyudvalayinaḥ vellitāyudhavāridāḥ

4. The winds, bearing dust that was like mist from the sharp edges of four weapons, were encircled by lightning and resembled clouds filled with brandished weapons.

Words meanings summery:

• चतुरायुधधाराग्रचूर्णनीहारधारिणः (caturāyudhadhārāgracūrṇanīhāradhāriṇaḥ) - bearing mist-like dust from the sharp edges of four weapons

• विद्युद्वलयिनः (vidyudvalayinaḥ) - having lightning as a circle; encircled by lightning

• वाताः (vātāḥ) - winds, air currents

• वेल्लितायुधवारिदाः (vellitāyudhavāridāḥ) - like clouds carrying brandished weapons; clouds of moving weapons

Words meanings and morphology

चतुरायुधधाराग्रचूर्णनीहारधारिणः (caturāyudhadhārāgracūrṇanīhāradhāriṇaḥ) - bearing mist-like dust from the sharp edges of four weapons

(adjective)

Nominative, masculine, plural of caturāyudhadhārāgracūrṇanīhāradhārin

caturāyudhadhārāgracūrṇanīhāradhārin - bearing the dust (like mist) from the tips of the edges of four weapons

Long Bahuvrīhi compound describing the quality of the winds.

Compound type : Bahuvrīhi (catur+āyudha+dhārā+agra+cūrṇa+nīhāra+dhārin)

• catur – four
  numeral
• āyudha – weapon, implement
  noun (neuter)
• dhārā – edge, sharp edge; stream, current
  noun (feminine)
• agra – tip, point, front part
  noun (neuter)
• cūrṇa – dust, powder, crushed substance
  noun (neuter)
  Root: cūrṇ (class 10)
• nīhāra – mist, fog, frost
  noun (masculine)
• dhārin – bearing, holding, carrying
  adjective (masculine)
  Agent noun / adjective
  Derived from the root dhṛ (to hold, bear) with the suffix -in.
  Root: dhṛ (class 1)

विद्युद्वलयिनः (vidyudvalayinaḥ) - having lightning as a circle; encircled by lightning

(adjective)

Nominative, masculine, plural of vidyudvalayin

vidyudvalayin - encircled by lightning; having a ring/circle of lightning

Possessive adjective formed with suffix -in.

Compound type : Tatpuruṣa (vidyut+valaya)

• vidyut – lightning
  noun (feminine)
  Root: vidyut
• valaya – circle, ring, bracelet
  noun (masculine)

वाताः (vātāḥ) - winds, air currents

(noun)

Nominative, masculine, plural of vāta

vāta - wind, air, atmosphere

From root vā (to blow).

Root: vā (class 2)

वेल्लितायुधवारिदाः (vellitāyudhavāridāḥ) - like clouds carrying brandished weapons; clouds of moving weapons

(adjective)

Nominative, masculine, plural of vellitāyudhavārida

vellitāyudhavārida - like clouds (vāridāḥ) with brandished (vellita) weapons (āyudha)

Bahuvrīhi compound, describing the winds as having (or being like) clouds of moving weapons.

Compound type : Bahuvrīhi (vellita+āyudha+vārida)

• vellita – moving, trembling, shaking, brandished
  adjective (masculine)
  Past Passive Participle
  From root vell (to move, shake).
  Root: vell (class 1)
• āyudha – weapon, implement
  noun (neuter)
• vārida – cloud (lit. water-giver)
  noun (masculine)
  Compound of vāri (water) + da (giver, from dā root).