योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-160, verse-29

स्वेच्छातमःप्रकाशानि नित्यानन्दमयानि च ।
कानिचिन्नीयमानानि तनुतूललघूनि च ॥ २९ ॥

svecchātamaḥprakāśāni nityānandamayāni ca ,
kānicinnīyamānāni tanutūlalaghūni ca 29

29. svecchātamaḥprakāśāni nityānandamayāni
ca kānicit nīyamānāni tanutūlalaghūni ca

29. kānicit svecchātamaḥprakāśāni ca nityānandamayāni
ca kānicit nīyamānāni tanutūlalaghūni

29. Some (entities) manifest darkness and light according to their own will, and are full of eternal bliss (ānanda). And some are carried along, light as a wisp of cotton.

Words meanings summery:

• स्वेच्छातमःप्रकाशानि (svecchātamaḥprakāśāni) - having darkness and light according to one's own will

• नित्यानन्दमयानि (nityānandamayāni) - full of eternal bliss

• च (ca) - and (and, also)

• कानिचित् (kānicit) - some (manifestations/beings) (some, a few)

• नीयमानानि (nīyamānāni) - being led, being carried, being guided

• तनुतूललघूनि (tanutūlalaghūni) - light as a wisp of cotton, extremely light

• च (ca) - and (and, also)

Words meanings and morphology

स्वेच्छातमःप्रकाशानि (svecchātamaḥprakāśāni) - having darkness and light according to one's own will

(noun)

Nominative, neuter, plural of svecchātamaḥprakāśa

svecchātamaḥprakāśa - own-will-darkness-light (having these qualities)

Compound describing the nature of 'some' entities.

Compound type : bahuvrihi (sva+icchā+tamas+prakāśa)

• sva – own, one's self
  adjective/pronoun
• icchā – will, desire, wish
  noun (feminine)
  from root 'iṣ' (to wish)
  Root: iṣ (class 6)
• tamas – darkness, ignorance, gloom
  noun (neuter)
  Root: tam (class 4)
• prakāśa – light, brightness, manifestation
  noun (masculine)
  from root 'kāś' (to shine) with prefix 'pra-'
  Prefix: pra
  Root: kāś (class 1)

Note: compound adjective describing the entities.

नित्यानन्दमयानि (nityānandamayāni) - full of eternal bliss

(adjective)

Nominative, neuter, plural of nityānandamaya

nityānandamaya - consisting of eternal joy/bliss (ānanda)

'nitya' (eternal) + 'ānanda' (bliss) + 'maya' (made of)

Compound type : tatpuruṣa (nitya+ānanda+maya)

• nitya – eternal, constant, perpetual
  adjective
• ānanda – bliss, joy, happiness (ānanda)
  noun (masculine)
  from 'nand' (to rejoice) with prefix 'ā-'
  Prefix: ā
  Root: nand (class 1)
• maya – made of, consisting of, full of
  suffix/adjective
  secondary suffix, forms adjectives meaning 'made of' or 'consisting of'

च (ca) - and (and, also)

(indeclinable)

कानिचित् (kānicit) - some (manifestations/beings) (some, a few)

(pronoun)

Nominative, neuter, plural of kimcid

kimcid - something, anything, a little, some

formed from 'kim' (what) + 'cid' (an indefinite particle)

Note: Used here as an indefinite pronoun, functioning as the subject of an implied verb 'are'.

नीयमानानि (nīyamānāni) - being led, being carried, being guided

(participle)

Nominative, neuter, plural of nīyamāna

nīyamāna - being led, being carried, being guided

Present Passive Participle

From root 'nī' (to lead, carry) in the passive voice, present tense.

Root: nī (class 1)

तनुतूललघूनि (tanutūlalaghūni) - light as a wisp of cotton, extremely light

(adjective)

Nominative, neuter, plural of tanutūlalaghu

tanutūlalaghu - light as a fine piece of cotton

'tanu' (fine, slender) + 'tūla' (cotton) + 'laghu' (light)

Compound type : bahuvrihi (tanu+tūla+laghu)

• tanu – slender, fine, thin, body
  adjective
  Root: tan (class 8)
• tūla – cotton, wisp, flock
  noun (neuter)
• laghu – light, small, quick, unimportant
  adjective
  Root: lagh (class 1)

च (ca) - and (and, also)

(indeclinable)