योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-133, verse-6

एवंविधां हृदि मनाक्कलयामि यावत्तावत्पपात सहसा नभसो विवस्वान् ।
कल्पान्तवातपरिवृत्तपितामहाण्डपृष्ठावपातघनघोषजुषा जवेन ॥ ६ ॥

evaṃvidhāṃ hṛdi manākkalayāmi yāvattāvatpapāta sahasā nabhaso vivasvān ,
kalpāntavātaparivṛttapitāmahāṇḍapṛṣṭhāvapātaghanaghoṣajuṣā javena 6

6. evaṃvidhām hṛdi manāk kalayāmi yāvat
tāvat papāta sahasā nabhasaḥ vivasvān
kalpāntavātaparivṛttapitāmahāṇḍapṛṣṭhāvapataghanaghoṣajuṣā
javena

6. yāvat hṛdi manāk evaṃvidhām kalayāmi
tāvat sahasā vivasvān nabhasaḥ
kalpāntavātaparivṛttapitāmahāṇḍapṛṣṭhāvapataghanaghoṣajuṣā
javena papāta

6. As I was contemplating such a vision slightly in my heart, suddenly the Sun (Vivasvat) fell from the sky with great speed, accompanied by a deep, thundering sound, like the collapsing of Brahmā's cosmic egg shaken by the winds at the end of a cosmic cycle (kalpānta).

Words meanings summery:

• एवंविधाम् (evaṁvidhām) - of this kind, such, of such a nature

• हृदि (hṛdi) - in the heart, in the mind

• मनाक् (manāk) - a little, slightly, somewhat

• कलयामि (kalayāmi) - I imagine (or contemplate) (I consider, I imagine, I reckon)

• यावत् (yāvat) - while (as long as, while, as much as)

• तावत् (tāvat) - then, at that moment (then, at that time, so long, so much)

• पपात (papāta) - fell down

• सहसा (sahasā) - suddenly, unexpectedly, forcibly

• नभसः (nabhasaḥ) - from the sky, from the atmosphere

• विवस्वान् (vivasvān) - the Sun

• कल्पान्तवातपरिवृत्तपितामहाण्डपृष्ठावपतघनघोषजुषा (kalpāntavātaparivṛttapitāmahāṇḍapṛṣṭhāvapataghanaghoṣajuṣā) - accompanied by a deep, thundering sound, like the collapsing of Brahmā's cosmic egg shaken by the winds at the end of a cosmic cycle (kalpānta) (accompanied by the deep sound of the universe's surface being shattered by end-of-kalpa winds)

• जवेन (javena) - with speed, rapidly

Words meanings and morphology

एवंविधाम् (evaṁvidhām) - of this kind, such, of such a nature

(adjective)

Accusative, feminine, singular of evaṃvidha

evaṁvidha - of this kind, such, such like

From 'evam' (thus) and 'vidha' (kind)

Compound type : karmadhāraya (evam+vidha)

• evam – thus, so, in this manner
  indeclinable
• vidha – kind, sort, manner, form
  noun (masculine)
  Root: dhā

हृदि (hṛdi) - in the heart, in the mind

(noun)

Locative, neuter, singular of hṛd

hṛd - heart, mind, essence

Root: hṛ

मनाक् (manāk) - a little, slightly, somewhat

(indeclinable)

कलयामि (kalayāmi) - I imagine (or contemplate) (I consider, I imagine, I reckon)

(verb)

1st person , singular, active, present indicative (laṭ) of kal

Present active indicative

1st person singular, present tense, active voice, from root 'kal' (10th conjugation)

Root: kal (class 10)

यावत् (yāvat) - while (as long as, while, as much as)

(indeclinable)

तावत् (tāvat) - then, at that moment (then, at that time, so long, so much)

(indeclinable)

Correlative to 'yāvat'

पपात (papāta) - fell down

(verb)

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

Perfect active indicative

3rd person singular, perfect tense, active voice, from root 'pat'

Root: pat (class 1)

सहसा (sahasā) - suddenly, unexpectedly, forcibly

(indeclinable)

Instrumental of 'sahas' (power, strength), used as an adverb

नभसः (nabhasaḥ) - from the sky, from the atmosphere

(noun)

Ablative, neuter, singular of nabhas

nabhas - sky, atmosphere, cloud, space

विवस्वान् (vivasvān) - the Sun

(proper noun)

Nominative, masculine, singular of vivasvat

vivasvat - the Sun, brilliant, radiant (Vivasvat)

From 'vi-vas' (to shine forth) + 'vat' suffix

Prefix: vi

Root: vas (class 2)

कल्पान्तवातपरिवृत्तपितामहाण्डपृष्ठावपतघनघोषजुषा (kalpāntavātaparivṛttapitāmahāṇḍapṛṣṭhāvapataghanaghoṣajuṣā) - accompanied by a deep, thundering sound, like the collapsing of Brahmā's cosmic egg shaken by the winds at the end of a cosmic cycle (kalpānta) (accompanied by the deep sound of the universe's surface being shattered by end-of-kalpa winds)

(adjective)

Instrumental, masculine, singular of kalpāntavātaparivṛttapitāmahāṇḍapṛṣṭhāvapataghanaghoṣajus

kalpāntavātaparivṛttapitāmahāṇḍapṛṣṭhāvapataghanaghoṣajus - possessing the deep sound of the surface of Brahmā's egg (universe) being shattered by the winds at the end of a cosmic cycle (kalpānta)

Long compound adjective, instrumental singular

Compound type : bahuvrīhi (kalpānta+vāta+parivṛtta+pitāmahāṇḍa+pṛṣṭha+avapāta+ghanaghoṣa+jus)

• kalpānta – end of a kalpa (cosmic cycle)
  noun (masculine)
• vāta – wind, air
  noun (masculine)
  Root: vā
• parivṛtta – turned, revolved, shaken, changed
  participle
  Past Passive Participle
  From root 'vṛt' with prefix 'pari'
  Prefix: pari
  Root: vṛt (class 1)
• pitāmahāṇḍa – Brahmā's egg (the cosmic egg, universe)
  noun (neuter)
• pṛṣṭha – back, surface, top
  noun (neuter)
  Root: pṛṣ
• avapāta – falling down, descending, collapse
  noun (masculine)
  From root 'pat' with prefix 'ava'
  Prefix: ava
  Root: pat (class 1)
• ghanaghoṣa – deep sound, thundering roar
  noun (masculine)
• jus – enjoying, possessing, accompanied by
  adjective
  Present active participle
  From root 'juṣ'
  Root: juṣ (class 1)

Note: Adjective describing 'vivasvān'

जवेन (javena) - with speed, rapidly

(noun)

Instrumental, masculine, singular of java

java - speed, swiftness, velocity

From root 'ju' (to be quick)

Root: ju

Note: Used adverbially