योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-160, verse-12

यदा ब्रह्मात्मिकैवेयमविद्या नेतरात्मिका ।
तदास्त्येषाऽपरिज्ञाता परिज्ञाता न भिद्यते ॥ १२ ॥

yadā brahmātmikaiveyamavidyā netarātmikā ,
tadāstyeṣā'parijñātā parijñātā na bhidyate 12

12. yadā brahmātmikā eva iyam avidyā na itarātmikā
tadā asti eṣā aparijñātā parijñātā na bhidyate

12. yadā iyam avidyā brahmātmikā eva itarātmikā na
tadā eṣā aparijñātā asti parijñātā na bhidyate

12. When this ignorance (avidyā) is indeed of the very nature of Brahman and not of any other nature, then it exists as long as it is unknown. But once it is fully known, it does not remain distinct or separate.

Words meanings summery:

• यदा (yadā) - when, at which time

• ब्रह्मात्मिका (brahmātmikā) - referring to avidyā (whose nature is Brahman, having Brahman as its self)

• एव (eva) - indeed, only, certainly

• इयम् (iyam) - referring to avidyā (this (feminine))

• अविद्या (avidyā) - ignorance, nescience

• न (na) - not, no

• इतरात्मिका (itarātmikā) - referring to avidyā (whose nature is other, having another as its self)

• तदा (tadā) - then, at that time

• अस्ति (asti) - exists, is

• एषा (eṣā) - referring to avidyā (this (feminine))

• अपरिज्ञाता (aparijñātā) - referring to avidyā (unknown, not fully comprehended)

• परिज्ञाता (parijñātā) - when avidyā is fully known (fully known, comprehended)

• न (na) - not, no

• भिद्यते (bhidyate) - does not remain distinct or separate (is broken, is differentiated, is split)

Words meanings and morphology

यदा (yadā) - when, at which time

(indeclinable)

ब्रह्मात्मिका (brahmātmikā) - referring to avidyā (whose nature is Brahman, having Brahman as its self)

(adjective)

Nominative, feminine, singular of brahmātmika

brahmātmika - whose self is Brahman, having Brahman as its nature

Derived adjective from the compound `brahma-ātman` (Brahman-self) with `ika` suffix indicating 'related to' or 'whose nature is'.

Compound type : bahuvrīhi (brahman+ātman)

• brahman – the Absolute Reality, the Supreme Self (brahman)
  noun (neuter)
• ātman – self, soul, individual spirit (ātman)
  noun (masculine)

Note: Modifies avidyā.

एव (eva) - indeed, only, certainly

(indeclinable)

इयम् (iyam) - referring to avidyā (this (feminine))

(pronoun)

Nominative, feminine, singular of idam

idam - this

Note: Refers to avidyā.

अविद्या (avidyā) - ignorance, nescience

(noun)

Nominative, feminine, singular of avidyā

avidyā - ignorance, nescience, non-knowledge

Compound type : tatpuruṣa (nañ) (a+vidyā)

• a – not, non-
  indeclinable
• vidyā – knowledge, learning
  noun (feminine)
  Root: vid (class 2)

Note: A key concept in Advaita Vedanta.

न (na) - not, no

(indeclinable)

इतरात्मिका (itarātmikā) - referring to avidyā (whose nature is other, having another as its self)

(adjective)

Nominative, feminine, singular of itarātmika

itarātmika - whose self is other, having another nature

Derived adjective from the compound `itara-ātman` (other-self) with `ika` suffix.

Compound type : bahuvrīhi (itara+ātman)

• itara – other, another
  pronoun (neuter)
• ātman – self, soul, individual spirit (ātman)
  noun (masculine)

Note: Modifies avidyā.

तदा (tadā) - then, at that time

(indeclinable)

अस्ति (asti) - exists, is

(verb)

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

Root: as (class 2)

एषा (eṣā) - referring to avidyā (this (feminine))

(pronoun)

Nominative, feminine, singular of etad

etad - this

Note: Refers to avidyā.

अपरिज्ञाता (aparijñātā) - referring to avidyā (unknown, not fully comprehended)

(adjective)

Nominative, feminine, singular of aparijñāta

aparijñāta - unknown, not fully understood

Past Passive Participle

Derived from `pari-jñā` (to know fully) with negative prefix `a-` and past passive participle suffix `-ta`.

Compound type : tatpuruṣa (nañ) (a+parijñāta)

• a – not, non-
  indeclinable
• parijñāta – fully known, understood
  adjective (neuter)
  Past Passive Participle
  From `pari-jñā` (to know fully).
  Prefix: pari
  Root: jñā (class 9)

Note: Modifies avidyā.

परिज्ञाता (parijñātā) - when avidyā is fully known (fully known, comprehended)

(adjective)

Nominative, feminine, singular of parijñāta

parijñāta - fully known, understood, ascertained

Past Passive Participle

Derived from `pari-jñā` (to know fully) with past passive participle suffix `-ta`.

Prefix: pari

Root: jñā (class 9)

Note: Used adverbially here: 'when known'.

न (na) - not, no

(indeclinable)

भिद्यते (bhidyate) - does not remain distinct or separate (is broken, is differentiated, is split)

(verb)

3rd person , singular, passive, present indicative (laṭ) of bhid

Root: bhid (class 7)

Note: The root `bhid` is 7th class, often takes `y` in passive.