योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-85, verse-57

ईषद्ध्यानाद्गतान्यत्वं क्षणादम्बुतरङ्गवत् ।
पपात विपिने तस्मिन्द्विजपुत्रकरूपिणी ॥ ५७ ॥

īṣaddhyānādgatānyatvaṃ kṣaṇādambutaraṅgavat ,
papāta vipine tasmindvijaputrakarūpiṇī 57

57. īṣat dhyānāt gata anyatvam kṣaṇāt ambutaraṅgavat
papāta vipine tasmin dvijaputrakarūpiṇī

57. īṣat dhyānāt kṣaṇāt gata anyatvam ambutaraṅgavat
tasmin vipine dvijaputrakarūpiṇī papāta

57. With but a brief meditation (dhyāna), she instantly transformed, and like a water wave, she descended into that very forest in the form of a Brahmin boy.

Words meanings summery:

• ईषत् (īṣat) - brief (meditation) (a little, slightly, briefly)

• ध्यानात् (dhyānāt) - by means of meditation (dhyāna) (from meditation, by meditation)

• गत (gata) - having attained (another state) (gone, having gone, arrived)

• अन्यत्वम् (anyatvam) - another form/state (of being) (otherness, difference, another state)

• क्षणात् (kṣaṇāt) - instantly (in a moment, instantly, from a moment)

• अम्बुतरङ्गवत् (ambutaraṅgavat) - like a wave in water (like a water wave, having water waves)

• पपात (papāta) - she descended (from the sky) (fell, descended)

• विपिने (vipine) - in the forest (where Śikhidhvaja was meditating) (in the forest, in the wilderness)

• तस्मिन् (tasmin) - in that very (forest) (in that, to that (masculine/neuter))

• द्विजपुत्रकरूपिणी (dvijaputrakarūpiṇī) - in the form of a Brahmin boy (Chūḍālā's assumed disguise) (having the form of a Brahmin boy, in the guise of a Brahmin boy)

Words meanings and morphology

ईषत् (īṣat) - brief (meditation) (a little, slightly, briefly)

(indeclinable)

Root: īṣ (class 1)

ध्यानात् (dhyānāt) - by means of meditation (dhyāna) (from meditation, by meditation)

(noun)

Ablative, neuter, singular of dhyāna

dhyāna - meditation, contemplation, thought

from root 'dhyā' (to think, meditate)

Root: dhyā (class 1)

Note: Denotes cause or means.

गत (gata) - having attained (another state) (gone, having gone, arrived)

(adjective)

Nominative, feminine, singular of gata

gata - gone, arrived, become, attained

Past Passive Participle

from root 'gam' (to go)

Root: gam (class 1)

Note: Functions as part of a compound-like phrase 'gata anyatvam' - 'she having become other'.

अन्यत्वम् (anyatvam) - another form/state (of being) (otherness, difference, another state)

(noun)

Accusative, neuter, singular of anyatva

anyatva - otherness, difference, another state or condition

from 'anya' (other) + 'tva' (suffix for abstract noun)

Note: Object of 'gata'.

क्षणात् (kṣaṇāt) - instantly (in a moment, instantly, from a moment)

(indeclinable)

Root: kṣaṇ (class 1)

Note: Modifies 'gata anyatvam'.

अम्बुतरङ्गवत् (ambutaraṅgavat) - like a wave in water (like a water wave, having water waves)

(indeclinable)

'vat' is a suffix meaning 'like' or 'possessed of'

Compound type : tatpurusha (ambu+taraṅga+vat)

• ambu – water
  noun (neuter)
• taraṅga – wave
  noun (masculine)
  Root: tṛ (class 1)
• vat – like, similar to, possessed of
  suffix (indeclinable)
  suffix added to nouns to form adverbs or adjectives

Note: Simile.

पपात (papāta) - she descended (from the sky) (fell, descended)

(verb)

3rd person , singular, active, perfect (liṭ) of pat

perfect tense

perfect tense form of root 'pat'

Root: pat (class 1)

Note: Subject is implied Chūḍālā.

विपिने (vipine) - in the forest (where Śikhidhvaja was meditating) (in the forest, in the wilderness)

(noun)

Locative, neuter, singular of vipina

vipina - forest, wilderness, grove

तस्मिन् (tasmin) - in that very (forest) (in that, to that (masculine/neuter))

(pronoun)

Locative, neuter, singular of tad

tad - that, this, he, she, it

Note: Agrees with 'vipine'.

द्विजपुत्रकरूपिणी (dvijaputrakarūpiṇī) - in the form of a Brahmin boy (Chūḍālā's assumed disguise) (having the form of a Brahmin boy, in the guise of a Brahmin boy)

(adjective)

Nominative, feminine, singular of dvijaputrakarūpiṇ

dvijaputrakarūpiṇ - one having the form of a Brahmin boy

Feminine form of 'dvijaputrakarūpin' (bahuvrihi with 'ī' suffix)

Compound type : bahuvrihi (dvija+putraka+rūpin)

• dvija – twice-born; Brahmin
  noun (masculine)
  Root: jan (class 4)
• putraka – little son, boy
  noun (masculine)
  diminutive of putra
• rūpin – having the form of, embodied as
  adjective (masculine)
  suffix 'in' after 'rūpa'

Note: Agrees with the implied subject, Chūḍālā.