योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-144, verse-45

नियतिर्नायकश्चैव ब्रह्मतश्चाङ्गमात्मना ।
स्वाङ्गेन संयमयति करेणेव निजं करम् ॥ ४५ ॥

niyatirnāyakaścaiva brahmataścāṅgamātmanā ,
svāṅgena saṃyamayati kareṇeva nijaṃ karam 45

45. niyatiḥ nāyakaḥ ca eva brahmataḥ ca aṅgam ātmanā
svāṅgena saṃyamayati kareṇa iva nijam karam

45. niyatiḥ ca nāyakaḥ ca eva brahmataḥ ātmanā aṅgam
svāṅgena kareṇa iva nijam karam saṃyamayati

45. Destiny (niyati) and the ultimate director (nāyaka) are indeed both an aspect originating from the supreme reality (brahman) through its own nature (ātman). It controls itself with its own limb, just as one controls one's own hand with another hand.

Words meanings summery:

• नियतिः (niyatiḥ) - destiny, fate, fixed order, inherent nature, settled principle

• नायकः (nāyakaḥ) - leader, guide, director, chief, hero

• च (ca) - and, also, moreover

• एव (eva) - indeed, only, just, quite, even

• ब्रह्मतः (brahmataḥ) - from Brahman (the ultimate reality), from the absolute

• च (ca) - and, also, moreover

• अङ्गम् (aṅgam) - limb, part, component, auxiliary, body

• आत्मना (ātmanā) - by the self, by the soul, by oneself, by the spirit (ātman)

• स्वाङ्गेन (svāṅgena) - by one's own limb, by its own part/aspect

• संयमयति (saṁyamayati) - controls, restrains, holds together, governs

• करेण (kareṇa) - by a hand

• इव (iva) - as, like, as if

• निजम् (nijam) - one's own, personal, inherent

• करम् (karam) - hand

Words meanings and morphology

नियतिः (niyatiḥ) - destiny, fate, fixed order, inherent nature, settled principle

(noun)

Nominative, feminine, singular of niyati

niyati - destiny, fate, fixed order, inherent nature, settled principle

नायकः (nāyakaḥ) - leader, guide, director, chief, hero

(noun)

Nominative, masculine, singular of nāyaka

nāyaka - leader, guide, director, chief, hero

च (ca) - and, also, moreover

(indeclinable)

एव (eva) - indeed, only, just, quite, even

(indeclinable)

ब्रह्मतः (brahmataḥ) - from Brahman (the ultimate reality), from the absolute

(noun)

Ablative, neuter, singular of brahman

brahman - the ultimate reality, the absolute, the creator god Brahmā

च (ca) - and, also, moreover

(indeclinable)

अङ्गम् (aṅgam) - limb, part, component, auxiliary, body

(noun)

Nominative, neuter, singular of aṅga

aṅga - limb, part, component, auxiliary, body

आत्मना (ātmanā) - by the self, by the soul, by oneself, by the spirit (ātman)

(noun)

Instrumental, masculine, singular of ātman

ātman - self, soul, spirit, essence

स्वाङ्गेन (svāṅgena) - by one's own limb, by its own part/aspect

(noun)

Instrumental, neuter, singular of svāṅga

svāṅga - one's own limb or body part, one's own aspect

Compound type : tatpuruṣa (sva+aṅga)

• sva – own, self, personal
  adjective
• aṅga – limb, part, component, body
  noun (neuter)

संयमयति (saṁyamayati) - controls, restrains, holds together, governs

(verb)

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

causative present active

Causative form of root yam with prefix sam

Prefix: sam

Root: yam (class 1)

करेण (kareṇa) - by a hand

(noun)

Instrumental, masculine, singular of kara

kara - hand, ray, tax

इव (iva) - as, like, as if

(indeclinable)

निजम् (nijam) - one's own, personal, inherent

(adjective)

Accusative, masculine, singular of nija

nija - one's own, personal, inherent

करम् (karam) - hand

(noun)

Accusative, masculine, singular of kara

kara - hand, ray, tax