योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-37, verse-23

नियतिर्नित्यमुद्वेगवर्जिताऽपरिमार्जिता ।
एषा नृत्यति वै नृत्यं जगज्जालकनाटकम् ॥ २३ ॥

niyatirnityamudvegavarjitā'parimārjitā ,
eṣā nṛtyati vai nṛtyaṃ jagajjālakanāṭakam 23

23. niyatiḥ nityam udvega-varjitā aparimārjitā
eṣā nṛtyati vai nṛtyam jagajjālaka-nāṭakam

23. eṣā niyatiḥ nityam udvega-varjitā aparimārjitā
vai jagajjālaka-nāṭakam nṛtyam nṛtyati

23. This intrinsic nature (niyati) is perpetually free from agitation and untainted. Indeed, it performs the dance, which is the grand drama of the entire cosmic web.

Words meanings summery:

• नियतिः (niyatiḥ) - intrinsic nature, natural law, destiny, fate, fixed rule

• नित्यम् (nityam) - always, constantly, perpetually

• उद्वेग-वर्जिता (udvega-varjitā) - devoid of agitation, free from disturbance, untouched by anxiety

• अपरिमार्जिता (aparimārjitā) - untouched, unhindered, undefiled, unsullied

• एषा (eṣā) - this, this one

• नृत्यति (nṛtyati) - dances, performs a dance

• वै (vai) - indeed, verily, certainly, surely

• नृत्यम् (nṛtyam) - the dance, a dance, dancing

• जगज्जालक-नाटकम् (jagajjālaka-nāṭakam) - the drama of the network of worlds, the play of the cosmic web

Words meanings and morphology

नियतिः (niyatiḥ) - intrinsic nature, natural law, destiny, fate, fixed rule

(noun)

Nominative, feminine, singular of niyati

niyati - intrinsic nature, natural law, destiny, fate, restraint, fixed rule, necessity

Derived from ni + root yam

Prefix: ni

Root: yam (class 1)

नित्यम् (nityam) - always, constantly, perpetually

(indeclinable)

Note: Used adverbially here.

उद्वेग-वर्जिता (udvega-varjitā) - devoid of agitation, free from disturbance, untouched by anxiety

(adjective)

Nominative, feminine, singular of udvega-varjita

udvega-varjita - devoid of agitation, free from disturbance

Compound type : tatpuruṣa (udvega+varjita)

• udvega – agitation, anxiety, fear, disturbance
  noun (masculine)
  Derived from ud + root vij
  Prefix: ud
  Root: vij (class 6)
• varjita – abandoned, avoided, excluded, devoid of, free from
  adjective
  Past Passive Participle
  Derived from root vṛj
  Root: vṛj (class 10)

अपरिमार्जिता (aparimārjitā) - untouched, unhindered, undefiled, unsullied

(adjective)

Nominative, feminine, singular of aparimārjita

aparimārjita - not swept, not cleansed, unpurified, undefiled, untouched

Compound type : nañ-tatpuruṣa (a+parimārjita)

• a – not, un-, non-
  indeclinable
• parimārjita – swept, cleansed, purified, polished, wiped
  adjective
  Past Passive Participle
  Derived from pari + root mṛj
  Prefix: pari
  Root: mṛj (class 2)

एषा (eṣā) - this, this one

(pronoun)

Nominative, feminine, singular of etad

etad - this, this one

नृत्यति (nṛtyati) - dances, performs a dance

(verb)

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

Root: nṛt (class 4)

वै (vai) - indeed, verily, certainly, surely

(indeclinable)

नृत्यम् (nṛtyam) - the dance, a dance, dancing

(noun)

Accusative, neuter, singular of nṛtya

nṛtya - dance, dramatic performance, act of dancing

Gerundive (nominalized action)

Derived from root nṛt

Root: nṛt (class 4)

जगज्जालक-नाटकम् (jagajjālaka-nāṭakam) - the drama of the network of worlds, the play of the cosmic web

(noun)

Accusative, neuter, singular of jagajjālaka-nāṭaka

jagajjālaka-nāṭaka - the drama of the network of worlds

Compound type : tatpuruṣa (jagat+jālaka+nāṭaka)

• jagat – world, universe, moving, living beings
  noun (neuter)
  present active participle
  Derived from root gam with prefix ja
  Root: gam (class 1)
• jālaka – network, web, net, collection
  noun (neuter)
• nāṭaka – drama, play, theatrical performance
  noun (neuter)
  Root: naṭ (class 1)