योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-33, verse-26

सर्गवर्गाः प्रवल्गन्ति संवित्प्रसरलेशकाः ।
द्विचन्द्रबालवेतालमृगाम्बुस्वप्नमोहवत् ॥ २६ ॥

sargavargāḥ pravalganti saṃvitprasaraleśakāḥ ,
dvicandrabālavetālamṛgāmbusvapnamohavat 26

26. sargavargāḥ pravalganti saṃvitprasaraleśakāḥ
dvicandrabālavetālamṛgāmbusvapnamohavat

26. sargavargāḥ saṃvitprasaraleśakāḥ
dvicandrabālavetālamṛgāmbusvapnamohavat pravalganti

26. The categories of creation manifest prominently as tiny fragments of consciousness's expansion, just like the delusion of a double moon, a child's ghost, a mirage, or a dream.

Words meanings summery:

• सर्गवर्गाः (sargavargāḥ) - categories of creation, groups of creations, multitudes of worlds

• प्रवल्गन्ति (pravalganti) - they dance, they jump, they appear prominently, they manifest

• संवित्प्रसरलेशकाः (saṁvitprasaraleśakāḥ) - tiny fragments of consciousness's expansion/radiation

• द्विचन्द्रबालवेतालमृगाम्बुस्वप्नमोहवत् (dvicandrabālavetālamṛgāmbusvapnamohavat) - like the delusion of a double moon, a child's ghost, a mirage (water of deer), or a dream

Words meanings and morphology

सर्गवर्गाः (sargavargāḥ) - categories of creation, groups of creations, multitudes of worlds

(noun)

Nominative, masculine, plural of sargavarga

sargavarga - category of creation, group of creations

Compound type : tatpuruṣa (sarga+varga)

• sarga – creation, emission, production
  noun (masculine)
  Root: sṛj (class 6)
• varga – class, category, group, division
  noun (masculine)
  Root: vṛj (class 1)

प्रवल्गन्ति (pravalganti) - they dance, they jump, they appear prominently, they manifest

(verb)

3rd person , plural, active, present (lat) of pravalg

Prefix: pra

Root: valg (class 1)

संवित्प्रसरलेशकाः (saṁvitprasaraleśakāḥ) - tiny fragments of consciousness's expansion/radiation

(noun)

Nominative, masculine, plural of saṃvitprasaraleśaka

saṁvitprasaraleśaka - tiny fragment of consciousness's expansion

Compound type : tatpuruṣa (saṃvit+prasara+leśaka)

• saṃvit – consciousness, knowledge, understanding
  noun (feminine)
• prasara – expansion, diffusion, radiation, stream
  noun (masculine)
  Prefix: pra
  Root: sṛ (class 1)
• leśaka – fragment, atom, particle, tiny part
  noun (masculine)
  Root: liś (class 6)

द्विचन्द्रबालवेतालमृगाम्बुस्वप्नमोहवत् (dvicandrabālavetālamṛgāmbusvapnamohavat) - like the delusion of a double moon, a child's ghost, a mirage (water of deer), or a dream

(indeclinable)

Suffix -vat indicating 'like' or 'as'

Compound type : tatpuruṣa (dvicandra+bālavetāla+mṛgāmbu+svapnamoha)

• dvicandra – double moon (an optical illusion)
  noun (masculine)
• bālavetāla – child's ghost, ghost seen by a child (an illusion)
  noun (masculine)
• mṛgāmbu – mirage (water of deer)
  noun (neuter)
• svapnamoha – delusion of a dream
  noun (masculine)