योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-92, verse-44

भूतसर्गेण विश्रान्तं सिद्धविद्याधरादिना ।
मद्देहे चेतितेनेव मक्षिकायौकरूपिणा ॥ ४४ ॥

bhūtasargeṇa viśrāntaṃ siddhavidyādharādinā ,
maddehe cetiteneva makṣikāyaukarūpiṇā 44

44. bhūtasargeṇa viśrāntam siddhavidyādharādinā
mat-dehe cetitena iva makṣikāyaukarūpiṇā

44. bhūtasargeṇa siddhavidyādharādinā viśrāntam
mat-dehe cetitena iva makṣikāyaukarūpiṇā

44. The entire creation of beings (bhūtasarga), comprised of Siddhas, Vidyadharas, and others, reposes peacefully (viśrāntam) within my body (maddehe). It appears as if made conscious (cetiteneva) and takes the form of a multitude of flies (makṣikāyaukarūpiṇā).

Words meanings summery:

• भूतसर्गेण (bhūtasargeṇa) - by the creation of beings, by the world of beings

• विश्रान्तम् (viśrāntam) - resting peacefully, at rest

• सिद्धविद्याधरादिना (siddhavidyādharādinā) - by Siddhas, Vidyadharas, and others

• मत्-देहे (mat-dehe) - in my (the speaker's, often cosmic being's) body (in my body)

• चेतितेन (cetitena) - by that which is made conscious, by that which is perceived

• इव (iva) - like, as, as if

• मक्षिकायौकरूपिणा (makṣikāyaukarūpiṇā) - by that which has the form of a multitude of flies, like a swarm of flies

Words meanings and morphology

भूतसर्गेण (bhūtasargeṇa) - by the creation of beings, by the world of beings

(noun)

Instrumental, masculine, singular of bhūtasarga

bhūtasarga - creation of beings, creation of elements, existing world

Compound of bhūta (being, element) and sarga (creation).

Compound type : tatpurusha (bhūta+sarga)

• bhūta – being, creature, element; past
  noun (neuter)
  Past Passive Participle
  PPP of √bhū (to be, become).
  Root: √bhū (class 1)
• sarga – creation, emission, discharge
  noun (masculine)

विश्रान्तम् (viśrāntam) - resting peacefully, at rest

(indeclinable)

Past Passive Participle

PPP of vi-√śram (to rest, cease).

Prefix: vi

Root: √śram (class 4)

Note: Used adverbially (accusative singular neuter form).

सिद्धविद्याधरादिना (siddhavidyādharādinā) - by Siddhas, Vidyadharas, and others

(noun)

Instrumental, masculine, singular of siddhavidyādharādi

siddhavidyādharādi - Siddhas, Vidyadharas, and others (a class of celestial beings)

Compound of Siddha (accomplished being), Vidyādhara (knowledge-bearer, a class of celestial being), and ādi (beginning, etc., implying "and others").

Compound type : dvandva (siddha+vidyādhara+ādi)

• siddha – accomplished, perfect, a semi-divine being
  noun (masculine)
  Past Passive Participle
  PPP of √sidh (to accomplish).
  Root: √sidh (class 4)
• vidyādhara – knowledge-bearer, a class of celestial being
  noun (masculine)
• ādi – beginning, and so on, etc.
  noun (masculine)

Note: Used as a collective noun or an inclusive term, referring to a group of Siddhas, Vidyadharas, etc.

मत्-देहे (mat-dehe) - in my (the speaker's, often cosmic being's) body (in my body)

(noun)

Locative, masculine, singular of mat-deha

mat-deha - my body

Compound of mat (my, first person pronoun stem) and deha (body).

Compound type : tatpurusha (mad+deha)

• mad – my
  pronoun
  Pronominal stem for the first person singular pronoun.
• deha – body, form
  noun (masculine)

चेतितेन (cetitena) - by that which is made conscious, by that which is perceived

(adjective)

Instrumental, masculine, singular of cetita

cetita - made conscious, perceived, understood

Past Passive Participle

PPP of the causative of √cit (to perceive, to be conscious). Here, implies 'made conscious'.

Root: √cit (class 1)

Note: Agrees with bhūtasargeṇa.

इव (iva) - like, as, as if

(indeclinable)

मक्षिकायौकरूपिणा (makṣikāyaukarūpiṇā) - by that which has the form of a multitude of flies, like a swarm of flies

(adjective)

Instrumental, masculine, singular of makṣikāyaukarūpin

makṣikāyaukarūpin - having the form of a multitude of flies

Compound of makṣikā (fly), yauka (multitude, swarm), and rūpin (having the form of).

Compound type : bahuvrihi (makṣikā+yauka+rūpin)

• makṣikā – fly
  noun (feminine)
• yauka – swarm, multitude
  noun (masculine)
• rūpin – having the form of, characterized by
  adjective (masculine)
  Derived from rūpa (form) + -in (possessive suffix).

Note: Agrees with bhūtasargeṇa.