योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-80, verse-14

स्वमनोमननं तन्तुर्मनोभ्यासेन यत्नतः ।
विचाराच्छेदमायाति च्छिन्नैवाज्ञानभावना ॥ १४ ॥

svamanomananaṃ tanturmanobhyāsena yatnataḥ ,
vicārācchedamāyāti cchinnaivājñānabhāvanā 14

14. svamanomananam tantuḥ manobhyāsena yatnataḥ |
vicārāt cchedam āyāti chinnā eva ajñānabhāvanā ||

14. Svamanomananam tantuḥ yatnataḥ manobhyāsena vicārāt
cchedam āyāti eva ajñānabhāvanā chinnā (bhavati)

14. One's own constant mental reflection (svamanomanana) is the thread. Through diligent mental practice (manas-abhyāsa), by means of thoughtful inquiry (vicāra), this thread attains severance, and with it, the mental construct of ignorance (ajñānabhāvanā) is indeed cut.

Words meanings summery:

• स्वमनोमननम् (svamanomananam) - one's own constant mental reflection (svamanomanana) (one's own mental contemplation, reflection of one's own mind)

• तन्तुः (tantuḥ) - thread, string, filament

• मनोभ्यासेन (manobhyāsena) - through diligent mental practice (manas-abhyāsa) (by mental practice, through the practice of the mind)

• यत्नतः (yatnataḥ) - diligently, assiduously, with effort, carefully

• विचारात् (vicārāt) - by means of thoughtful inquiry (vicāra) (from discernment, through inquiry, by discrimination)

• च्छेदम् (cchedam) - cutting, breaking, severance

• आयाति (āyāti) - attains severance (it comes, it approaches, it attains)

• छिन्ना (chinnā) - cut, severed, broken

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

• अज्ञानभावना (ajñānabhāvanā) - the mental construct of ignorance (ajñānabhāvanā) (the notion/conception of ignorance, the mental construct of ignorance)

Words meanings and morphology

स्वमनोमननम् (svamanomananam) - one's own constant mental reflection (svamanomanana) (one's own mental contemplation, reflection of one's own mind)

(noun)

Nominative, neuter, singular of svamanomanana

svamanomanana - one's own mental contemplation, reflection of one's own mind

Compound. `sva` (own) + `manas` (mind) + `manana` (thinking).

Compound type : tatpurusha (sva+manas+manana)

• sva – own, self
  pronoun (neuter)
• manas – mind, intellect, thought
  noun (neuter)
  Root: man (class 4)
• manana – thinking, meditating, contemplating, reflection
  noun (neuter)
  Derived from root `√man` (to think)
  Root: man (class 4)

Note: Subject of the implicit verb 'is'.

तन्तुः (tantuḥ) - thread, string, filament

(noun)

Nominative, masculine, singular of tantu

tantu - thread, string, filament, connection

Root: tan (class 8)

Note: Predicate nominative.

मनोभ्यासेन (manobhyāsena) - through diligent mental practice (manas-abhyāsa) (by mental practice, through the practice of the mind)

(noun)

Instrumental, masculine, singular of manobhyāsa

manobhyāsa - mental practice, practice of the mind

Compound. `manas` (mind) + `abhyāsa` (practice).

Compound type : śaṣṭhī-tatpuruṣa (manas+abhyāsa)

• manas – mind, intellect, thought
  noun (neuter)
  Root: man (class 4)
• abhyāsa – practice, repetition, study, discipline
  noun (masculine)
  Derived from `abhi-√as` (to practice)
  Prefix: abhi
  Root: as (class 4)

Note: Instrumental of means.

यत्नतः (yatnataḥ) - diligently, assiduously, with effort, carefully

(indeclinable)

Adverbial form of `yatna` (effort) using the suffix `-taḥ`.

Note: Modifies the action of `manobhyāsena`.

विचारात् (vicārāt) - by means of thoughtful inquiry (vicāra) (from discernment, through inquiry, by discrimination)

(noun)

Ablative, masculine, singular of vicāra

vicāra - inquiry, discernment, discrimination, investigation

Derived from `vi-√car` (to move about, investigate)

Prefix: vi

Root: car (class 1)

च्छेदम् (cchedam) - cutting, breaking, severance

(noun)

Accusative, masculine, singular of ccheda

ccheda - cutting, breaking, severance, division

Derived from root `√chid` (to cut, break)

Root: chid (class 7)

आयाति (āyāti) - attains severance (it comes, it approaches, it attains)

(verb)

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

Present Active

3rd person singular, present indicative active, with prefix `ā-`

Prefix: ā

Root: yā (class 2)

Note: Subject is `tantuḥ` (implied `tantuḥ cchedam āyāti` - the thread attains severance).

छिन्ना (chinnā) - cut, severed, broken

(adjective)

Nominative, feminine, singular of chinna

chinna - cut, severed, broken, divided

Past Passive Participle

Derived from root `√chid` (to cut, break)

Root: chid (class 7)

Note: Agrees with `ajñānabhāvanā`.

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

(indeclinable)

Emphatic particle.

अज्ञानभावना (ajñānabhāvanā) - the mental construct of ignorance (ajñānabhāvanā) (the notion/conception of ignorance, the mental construct of ignorance)

(noun)

Nominative, feminine, singular of ajñānabhāvanā

ajñānabhāvanā - the notion/conception of ignorance, the mental construct of ignorance

Compound. `ajñāna` (ignorance) + `bhāvanā` (conception, mental cultivation).

Compound type : tatpurusha (ajñāna+bhāvanā)

• ajñāna – ignorance, nescience, spiritual ignorance
  noun (neuter)
  Derived from `jñāna` with negative prefix `a-`
  Prefix: a
• bhāvanā – conception, notion, mental cultivation, feeling
  noun (feminine)
  Derived from root `√bhū` (to be, become), causative stem `bhāvaya`
  Root: bhū (class 1)

Note: Subject of the implicit verb 'is' (`bhavati`).