योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-28, verse-27

मायानदीजलधियोधघनाग्निदाहैर्वृक्षैः सुरासुरशवैरचलैः शिलोच्चैः ।
भ्रान्तेः शरासिशितशक्तिगदास्त्रशस्त्रैर्वातावकीर्णवनपर्णवदन्तरन्तः ॥ २७ ॥

māyānadījaladhiyodhaghanāgnidāhairvṛkṣaiḥ surāsuraśavairacalaiḥ śiloccaiḥ ,
bhrānteḥ śarāsiśitaśaktigadāstraśastrairvātāvakīrṇavanaparṇavadantarantaḥ 27

27. māyānadījaladhiyodhaghanagnidāhaiḥ
vṛkṣaiḥ surāsuraśavaiḥ acalaiḥ śiloccaiḥ
bhrānteḥ śarāsiśitaśaktigadāstraśastraiḥ
vātāvakiṇavanaparṇavat antaḥ antaḥ

27. antar antaḥ vātāvakiṇavanaparṇavat
māyānadījaladhiyodhaghanagnidāhaiḥ vṛkṣaiḥ
surāsuraśavaiḥ acalaiḥ śiloccaiḥ
bhrānteḥ śarāsiśitaśaktigadāstraśastraiḥ

27. Within, everything was scattered like forest leaves dispersed by the wind: consumed by destructive fires as intense as warriors, oceans, and rivers of illusion (māyā); by trees; by the corpses of gods and demons; by unmoving mountains and lofty rocks; and by the arrows, swords, sharpened spears, maces, missiles, and weapons of delusion (bhrānti).

Words meanings summery:

• मायानदीजलधियोधघनग्निदाहैः (māyānadījaladhiyodhaghanagnidāhaiḥ) - by destructive fires dense with warriors, oceans, and rivers of illusion (māyā)

• वृक्षैः (vṛkṣaiḥ) - by trees

• सुरासुरशवैः (surāsuraśavaiḥ) - by corpses of gods and demons

• अचलैः (acalaiḥ) - by mountains (by immovable ones, by mountains)

• शिलोच्चैः (śiloccaiḥ) - by lofty rocks, by mountain peaks

• भ्रान्तेः (bhrānteḥ) - of delusion, of error, of wandering

• शरासिशितशक्तिगदास्त्रशस्त्रैः (śarāsiśitaśaktigadāstraśastraiḥ) - by arrows, swords, sharpened spears, maces, missiles, and weapons

• वातावकिणवनपर्णवत् (vātāvakiṇavanaparṇavat) - like leaves of a forest scattered by the wind

• अन्तः (antaḥ) - within, inside

• अन्तः (antaḥ) - within, inside

Words meanings and morphology

मायानदीजलधियोधघनग्निदाहैः (māyānadījaladhiyodhaghanagnidāhaiḥ) - by destructive fires dense with warriors, oceans, and rivers of illusion (māyā)

(noun)

Instrumental, masculine, plural of māyānadījaladhiyodhaghanagnidāha

māyānadījaladhiyodhaghanagnidāha - destructive fires dense with warriors, oceans, and rivers of illusion

Compound type : tatpuruṣa (māyā+nadī+jaladhi+yodha+ghana+agni+dāha)

• māyā – illusion, magic, cosmic illusion (māyā)
  noun (feminine)
• nadī – river
  noun (feminine)
• jaladhi – ocean, sea
  noun (masculine)
• yodha – warrior, fighter
  noun (masculine)
  Root: yudh (class 4)
• ghana – dense, thick, mighty
  adjective
• agni – fire
  noun (masculine)
• dāha – burning, conflagration, destruction by fire
  noun (masculine)
  Root: dah (class 1)

Note: Describes the means of scattering/destruction.

वृक्षैः (vṛkṣaiḥ) - by trees

(noun)

Instrumental, masculine, plural of vṛkṣa

vṛkṣa - tree

सुरासुरशवैः (surāsuraśavaiḥ) - by corpses of gods and demons

(noun)

Instrumental, masculine, plural of surāsuraśava

surāsuraśava - corpses of gods and demons

Compound type : dvandva-tatpuruṣa (sura+asura+śava)

• sura – god
  noun (masculine)
• asura – demon
  noun (masculine)
• śava – corpse, dead body
  noun (masculine)
  Root: śva (class 1)

अचलैः (acalaiḥ) - by mountains (by immovable ones, by mountains)

(noun)

Instrumental, masculine, plural of acala

acala - immovable, mountain

Compound type : nañ-tatpuruṣa (a+cala)

• a – not, un-
  indeclinable
  Negative prefix.
• cala – moving, movable
  adjective
  Present Active Participle
  From √cal (to move)
  Root: cal (class 1)

शिलोच्चैः (śiloccaiḥ) - by lofty rocks, by mountain peaks

(noun)

Instrumental, masculine, plural of śilocca

śilocca - lofty rock, mountain peak

Compound type : tatpuruṣa (śilā+ucca)

• śilā – rock, stone
  noun (feminine)
• ucca – high, lofty
  adjective

भ्रान्तेः (bhrānteḥ) - of delusion, of error, of wandering

(noun)

Genitive, feminine, singular of bhrānti

bhrānti - delusion, error, wandering, confusion

Root: bhram (class 1)

शरासिशितशक्तिगदास्त्रशस्त्रैः (śarāsiśitaśaktigadāstraśastraiḥ) - by arrows, swords, sharpened spears, maces, missiles, and weapons

(noun)

Instrumental, masculine, plural of śarāsiśitaśaktigadāstraśastra

śarāsiśitaśaktigadāstraśastra - arrows, swords, sharpened spears, maces, missiles, and weapons

Compound type : dvandva (śara+asi+śita-śakti+gadā+astra+śastra)

• śara – arrow
  noun (masculine)
• asi – sword
  noun (masculine)
• śitaśakti – sharpened spear
  noun (feminine)
• gadā – mace, club
  noun (feminine)
  Root: gad (class 1)
• astra – missile, projectile weapon
  noun (neuter)
  Root: as (class 4)
• śastra – weapon (typically hand-held), tool
  noun (neuter)
  Root: śas (class 2)

वातावकिणवनपर्णवत् (vātāvakiṇavanaparṇavat) - like leaves of a forest scattered by the wind

(indeclinable)

Suffix -vat (like, as) added to 'vātāvakiṇavanaparṇa'.

Compound type : bahuvrīhi (vāta+avakīrṇa+vana+parṇa+vat)

• vāta – wind
  noun (masculine)
• avakīrṇa – scattered, strewn
  adjective
  Past Passive Participle
  From ava + √kṝ (to scatter)
  Prefix: ava
  Root: kṝ (class 6)
• vana – forest, wood
  noun (neuter)
• parṇa – leaf, feather
  noun (neuter)
• vat – like, as, similar to
  indeclinable
  Suffix indicating similarity.

Note: Adverbial modifier.

अन्तः (antaḥ) - within, inside

(indeclinable)

Note: Repeated for emphasis ('antar antaḥ' = 'inside and inside', i.e., completely within).

अन्तः (antaḥ) - within, inside

(indeclinable)

Note: Repetition for emphasis.