योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-207, verse-12

यया विपश्चित्कथया सर्वसंशयसंक्षयः ।
न भवेत्र्त्रिषु लोकेषु ज्ञेया मूर्खकथैव सा ॥ १२ ॥

yayā vipaścitkathayā sarvasaṃśayasaṃkṣayaḥ ,
na bhavetrtriṣu lokeṣu jñeyā mūrkhakathaiva sā 12

12. yayā vipaścit kathayā sarvasaṃśayasaṃkṣayaḥ na
bhavet triṣu lokeṣu jñeyā mūrkakathā eva sā

12. yayā vipaścit kathayā sarvasaṃśayasaṃkṣayaḥ triṣu lokeṣu na bhavet,
sā eva mūrkakathā jñeyā.

12. A discourse by which the complete eradication of all doubts does not occur, even throughout the three worlds, should indeed be recognized as a foolish discourse.

Words meanings summery:

• यया (yayā) - by which

• विपश्चित् (vipaścit) - wise, learned, enlightened

• कथया (kathayā) - by a discourse, by a story

• सर्वसंशयसंक्षयः (sarvasaṁśayasaṁkṣayaḥ) - the complete removal of all doubts

• न (na) - not

• भवेत् (bhavet) - may it be, should be, would occur

• त्रिषु (triṣu) - in the three

• लोकेषु (lokeṣu) - in the worlds

• ज्ञेया (jñeyā) - should be known, is to be known

• मूर्ककथा (mūrkakathā) - a foolish discourse, the speech of a fool

• एव (eva) - indeed, certainly

• सा (sā) - that (feminine)

Words meanings and morphology

यया (yayā) - by which

(pronoun)

Instrumental, feminine, singular of yat

yat - who, which, what, that

Note: Agrees with 'kathayā'.

विपश्चित् (vipaścit) - wise, learned, enlightened

(adjective)

Instrumental, feminine, singular of vipaścit

vipaścit - wise, learned, discerning, enlightened

Derived from vi-√paś (to see clearly, perceive).

Prefix: vi

Root: paś (class 4)

Note: Agrees with 'kathayā'.

कथया (kathayā) - by a discourse, by a story

(noun)

Instrumental, feminine, singular of kathā

kathā - story, discourse, talk, teaching

Derived from root √kath (to tell, speak).

Root: kath (class 10)

सर्वसंशयसंक्षयः (sarvasaṁśayasaṁkṣayaḥ) - the complete removal of all doubts

(noun)

Nominative, masculine, singular of sarvasaṃśayasaṃkṣaya

sarvasaṁśayasaṁkṣaya - the complete removal of all doubts

Compound type : Tatpuruṣa (sarva+saṃśaya+saṃkṣaya)

• sarva – all, every, whole
  pronoun
• saṃśaya – doubt, uncertainty, suspicion
  noun (masculine)
  Derived from sam-√śī (to lie together, to hesitate, doubt).
  Prefix: sam
  Root: śī (class 2)
• saṃkṣaya – complete destruction, annihilation, removal, end
  noun (masculine)
  Derived from sam-kṣi (to destroy, diminish).
  Prefix: sam
  Root: kṣi (class 1)

न (na) - not

(indeclinable)

भवेत् (bhavet) - may it be, should be, would occur

(verb)

3rd person , singular, active, optative (vidhiliṅ) of bhū

Optative Mood

3rd person singular active optative of the root √bhū (to be, exist).

Root: bhū (class 1)

त्रिषु (triṣu) - in the three

(numeral)

Note: Agrees with 'lokeṣu'.

लोकेषु (lokeṣu) - in the worlds

(noun)

Locative, masculine, plural of loka

loka - world, realm, people

Note: The 'three worlds' (triloka) refers to heaven, earth, and the underworld or atmosphere.

ज्ञेया (jñeyā) - should be known, is to be known

(adjective)

Nominative, feminine, singular of jñeya

jñeya - to be known, knowable, intelligible

Gerundive

Derived from root √jñā (to know) with the suffix -ya (gerundive).

Root: jñā (class 9)

Note: Agrees with 'mūrkakathā' and 'sā'.

मूर्ककथा (mūrkakathā) - a foolish discourse, the speech of a fool

(noun)

Nominative, feminine, singular of mūrkakathā

mūrkakathā - a foolish discourse, the speech of a fool

Compound type : Tatpuruṣa (mūrkha+kathā)

• mūrkha – foolish, stupid, ignorant; a fool
  adjective (masculine)
• kathā – story, discourse, talk, teaching
  noun (feminine)
  Derived from root √kath (to tell, speak).
  Root: kath (class 10)

एव (eva) - indeed, certainly

(indeclinable)

सा (sā) - that (feminine)

(pronoun)

Nominative, feminine, singular of tad

tad - that, those