योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-128, verse-42

स्वनिश्चयाच्चिराभ्यस्तान्नासौ विरतिमेति हि ।
अन्तो नैवास्त्यविद्यायाः सा हि ब्रह्मैव सत्यता ॥ ४२ ॥

svaniścayāccirābhyastānnāsau viratimeti hi ,
anto naivāstyavidyāyāḥ sā hi brahmaiva satyatā 42

42. svaniścayāt cirābhyastāt na asau viratim eti hi
antaḥ na eva asti avidyāyāḥ sā hi brahma eva satyatā

42. hi asau svaniścayāt cirābhyastāt viratim na eti hi
avidyāyāḥ antaḥ na eva asti sā hi satyatā eva brahma

42. Indeed, from that which has been long-practiced and firmly resolved (svaniścaya), one does not attain cessation. There is truly no end to ignorance (avidyā); for that (which appears as ignorance) is, in its ultimate reality, Brahman (brahman) itself.

Words meanings summery:

• स्वनिश्चयात् (svaniścayāt) - from one's firm resolve (from one's own conviction, from one's firm resolve)

• चिराभ्यस्तात् (cirābhyastāt) - from that which has been long-practiced

• न (na) - not, no

• असौ (asau) - one (general, referring to the seeker or consciousness) (this one, that one (referring to something distant or understood))

• विरतिम् (viratim) - cessation, rest, desistance

• एति (eti) - attains (goes, attains, reaches)

• हि (hi) - indeed (indeed, surely, for)

• अन्तः (antaḥ) - end, limit, conclusion

• न (na) - not, no

• एव (eva) - truly (only, just, indeed)

• अस्ति (asti) - is, exists

• अविद्यायाः (avidyāyāḥ) - of spiritual ignorance (avidyā) (of ignorance, from ignorance)

• सा (sā) - that (apparent reality of ignorance) (she, that (feminine))

• हि (hi) - for (indeed, surely, for)

• ब्रह्म (brahma) - Brahman (brahman) (Brahman (the ultimate reality))

• एव (eva) - itself (only, just, indeed)

• सत्यता (satyatā) - ultimate reality (reality, truth, truthfulness)

Words meanings and morphology

स्वनिश्चयात् (svaniścayāt) - from one's firm resolve (from one's own conviction, from one's firm resolve)

(noun)

Ablative, masculine, singular of svaniścaya

svaniścaya - self-determination, firm resolve, one's own conviction

Compound type : tatpuruṣa (sva+niścaya)

• sva – own, self
  adjective
• niścaya – firm resolve, certainty, conviction
  noun (masculine)
  Prefix: ni
  Root: ci

चिराभ्यस्तात् (cirābhyastāt) - from that which has been long-practiced

(adjective)

Ablative, masculine, singular of cirābhyasta

cirābhyasta - long-practiced, habitually practiced for a long time

Compound type : tatpuruṣa (cira+abhyasta)

• cira – long, for a long time
  indeclinable
• abhyasta – practiced, accustomed, learned
  adjective (masculine)
  Past Passive Participle
  Prefix: abhi
  Root: as (class 4)

न (na) - not, no

(indeclinable)

असौ (asau) - one (general, referring to the seeker or consciousness) (this one, that one (referring to something distant or understood))

(pronoun)

Nominative, masculine, singular of adas

adas - that, this (demonstrative pronoun, referring to what is distant or implied)

विरतिम् (viratim) - cessation, rest, desistance

(noun)

Accusative, feminine, singular of virati

virati - cessation, stopping, rest, desistance, detachment

Prefix: vi

Root: ram

एति (eti) - attains (goes, attains, reaches)

(verb)

3rd person , singular, active, present indicative (laṭ) of i

Root: i (class 2)

हि (hi) - indeed (indeed, surely, for)

(indeclinable)

अन्तः (antaḥ) - end, limit, conclusion

(noun)

Nominative, masculine, singular of anta

anta - end, limit, boundary, conclusion

न (na) - not, no

(indeclinable)

एव (eva) - truly (only, just, indeed)

(indeclinable)

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present indicative (laṭ) of as

Root: as (class 2)

अविद्यायाः (avidyāyāḥ) - of spiritual ignorance (avidyā) (of ignorance, from ignorance)

(noun)

Genitive, feminine, singular of avidyā

avidyā - ignorance, nescience, spiritual ignorance

Compound type : nañ-tatpuruṣa (a+vidyā)

• a – not, un-
  indeclinable
• vidyā – knowledge, learning, science
  noun (feminine)

सा (sā) - that (apparent reality of ignorance) (she, that (feminine))

(pronoun)

Nominative, feminine, singular of tad

tad - that, she, it (demonstrative pronoun)

हि (hi) - for (indeed, surely, for)

(indeclinable)

ब्रह्म (brahma) - Brahman (brahman) (Brahman (the ultimate reality))

(noun)

Nominative, neuter, singular of brahman

brahman - the Absolute, the ultimate reality, the Supreme Spirit

एव (eva) - itself (only, just, indeed)

(indeclinable)

सत्यता (satyatā) - ultimate reality (reality, truth, truthfulness)

(noun)

Nominative, feminine, singular of satyatā

satyatā - reality, truth, truthfulness, real existence

derived from 'satya' (true) with suffix -tā (feminine abstract noun)