योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-19, verse-20

स्वसंकल्पकृतेनासौ कल्पौघेन क्षणेन च ।
यदृच्छयोदेति पुनः पुनर्भूत्वोपशाम्यति ॥ २० ॥

svasaṃkalpakṛtenāsau kalpaughena kṣaṇena ca ,
yadṛcchayodeti punaḥ punarbhūtvopaśāmyati 20

20. svasaṃkalpakṛtena asau kalpaughena kṣaṇena ca
yadṛcchayā udeti punaḥ punaḥ bhūtvā upaśāmyati

20. asau svasaṃkalpakṛtena kalpaughena kṣaṇena ca
yadṛcchayā udeti punaḥ punaḥ bhūtvā upaśāmyati

20. That entity, by its own resolve (saṃkalpa), through a flood of cosmic cycles (kalpa) and in an instant, spontaneously emerges. Having come into being again and again, it then subsides.

Words meanings summery:

• स्वसंकल्पकृतेन (svasaṁkalpakṛtena) - by its own will, by its own resolve, made by its own intention.

• असौ (asau) - Refers to the mental entity described in the preceding verses. (that one, he, that.)

• कल्पौघेन (kalpaughena) - Implies the vastness of time over which this entity manifests. (by a flood of eons/cosmic cycles.)

• क्षणेन (kṣaṇena) - Contrasts with the 'flood of eons,' highlighting simultaneity or rapidity. (in an instant, by a moment.)

• च (ca) - and, also.

• यदृच्छया (yadṛcchayā) - Emphasizes the intrinsic, uncaused nature of its arising. (by chance, spontaneously, voluntarily, by its own will.)

• उदेति (udeti) - rises, emerges, appears.

• पुनः (punaḥ) - again, repeatedly, moreover.

• पुनः (punaḥ) - again, repeatedly, moreover.

• भूत्वा (bhūtvā) - having become, having existed, having manifested.

• उपशाम्यति (upaśāmyati) - Refers to the withdrawal or dissolution of the entity. (subsides, becomes calm, ceases.)

Words meanings and morphology

स्वसंकल्पकृतेन (svasaṁkalpakṛtena) - by its own will, by its own resolve, made by its own intention.

(adjective)

Instrumental, neuter, singular of svasaṃkalpakṛta

svasaṁkalpakṛta - made by one's own will/resolve.

Past Passive Participle (for kṛta)

Compound of sva-saṃkalpa (own will/resolve) and kṛta (made/done).

Compound type : tatpuruṣa (sva+saṃkalpa+kṛta)

• sva – own, self.
  pronoun/adjective (masculine)
• saṃkalpa – will, resolve, intention, determination (saṃkalpa).
  noun (masculine)
  from root kḷp with prefix sam
  Prefix: sam
• kṛta – made, done, created.
  adjective (neuter)
  Past Passive Participle
  from root kṛ (to do, make)
  Root: kṛ (class 8)

Note: Modifies the action of arising/subsiding.

असौ (asau) - Refers to the mental entity described in the preceding verses. (that one, he, that.)

(pronoun)

Nominative, masculine, singular of adas

adas - that, that one, he, she, it.

कल्पौघेन (kalpaughena) - Implies the vastness of time over which this entity manifests. (by a flood of eons/cosmic cycles.)

(noun)

Instrumental, masculine, singular of kalpaugha

kalpaugha - flood of eons/cosmic cycles.

Compound type : tatpuruṣa (kalpa+ogha)

• kalpa – eon, cosmic cycle, age (kalpa).
  noun (masculine)
• ogha – flood, stream, multitude, mass.
  noun (masculine)

Note: Acts as an adverbial modifier indicating duration or means.

क्षणेन (kṣaṇena) - Contrasts with the 'flood of eons,' highlighting simultaneity or rapidity. (in an instant, by a moment.)

(noun)

Instrumental, masculine, singular of kṣaṇa

kṣaṇa - moment, instant, twinkling of an eye.

Note: Acts as an adverbial modifier indicating time or manner.

च (ca) - and, also.

(indeclinable)

यदृच्छया (yadṛcchayā) - Emphasizes the intrinsic, uncaused nature of its arising. (by chance, spontaneously, voluntarily, by its own will.)

(noun)

Instrumental, feminine, singular of yadṛcchā

yadṛcchā - spontaneity, free will, chance.

Note: Acts as an adverb.

उदेति (udeti) - rises, emerges, appears.

(verb)

3rd person , singular, active, present (laṭ) of i

Present Active Indicative

3rd person singular, parasmaipada, from root i (to go) with prefix ud.

Prefix: ud

Root: i (class 2)

पुनः (punaḥ) - again, repeatedly, moreover.

(indeclinable)

Note: Used twice for emphasis: 'again and again.'

पुनः (punaḥ) - again, repeatedly, moreover.

(indeclinable)

Note: Used twice for emphasis: 'again and again.'

भूत्वा (bhūtvā) - having become, having existed, having manifested.

(verb)

active

Absolutive (Gerund)

from root bhū (to be)

Root: bhū (class 1)

Note: Expresses an action completed before the main verb (upaśāmyati).

उपशाम्यति (upaśāmyati) - Refers to the withdrawal or dissolution of the entity. (subsides, becomes calm, ceases.)

(verb)

3rd person , singular, active, present (laṭ) of śam

Present Active Indicative

3rd person singular, parasmaipada, from root śam (to be calm) with prefix upa.

Prefix: upa

Root: śam (class 4)