योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-11, verse-50

प्रामाणिकार्थयोग्यत्वं प्रच्छकस्याविचार्य च ।
यो वक्ति तमिह प्राज्ञाः प्राहुर्मूढतरं नरम् ॥ ५० ॥

prāmāṇikārthayogyatvaṃ pracchakasyāvicārya ca ,
yo vakti tamiha prājñāḥ prāhurmūḍhataraṃ naram 50

50. prāmāṇikārthayogyatvam pracchakasya avicārya ca
yaḥ vakti tam iha prājñāḥ prāhuḥ mūḍhataram naram

50. yaḥ prāmāṇikārthayogyatvam pracchakasya avicārya ca vakti,
tam iha prājñāḥ mūḍhataram naram prāhuḥ

50. The wise here declare that man to be exceedingly foolish (mūḍhataram) who speaks without considering the questioner's worthiness for authentic knowledge.

Words meanings summery:

• प्रामाणिकार्थयोग्यत्वम् (prāmāṇikārthayogyatvam) - worthiness for authentic meaning/knowledge, fitness for valid propositions

• प्रच्छकस्य (pracchakasya) - of the questioner

• अविचार्य (avicārya) - without considering, without reflecting

• च (ca) - and, also, even

• यः (yaḥ) - who, whoever

• वक्ति (vakti) - speaks, says, tells

• तम् (tam) - him

• इह (iha) - here, in this world, in this matter

• प्राज्ञाः (prājñāḥ) - the wise ones, intelligent people

• प्राहुः (prāhuḥ) - they declare, they say, they call

• मूढतरम् (mūḍhataram) - more foolish, exceedingly foolish

• नरम् (naram) - man, person

Words meanings and morphology

प्रामाणिकार्थयोग्यत्वम् (prāmāṇikārthayogyatvam) - worthiness for authentic meaning/knowledge, fitness for valid propositions

(noun)

Accusative, neuter, singular of prāmāṇikārthayogyatva

prāmāṇikārthayogyatva - worthiness for authentic meaning/knowledge

Compound of prāmāṇika (authentic, valid), artha (meaning, purpose), yogya (suitable, worthy), tva (suffix for abstract noun).

Compound type : tatpuruṣa (prāmāṇika+artha+yogya+tva)

• prāmāṇika – authentic, valid, authoritative
  adjective
  From pramāṇa (means of knowledge, authority) + ika suffix.
• artha – meaning, purpose, object, wealth
  noun (masculine)
• yogya – worthy, suitable, fit, appropriate
  adjective
  From root yuj (to join, connect) + ya suffix.
  Root: yuj (class 7)
• tva – -ness, -hood (suffix forming abstract nouns)
  indeclinable (neuter)
  Abstract noun suffix.

Note: Object of avicārya.

प्रच्छकस्य (pracchakasya) - of the questioner

(noun)

Genitive, masculine, singular of pracchaka

pracchaka - questioner, interrogator

From root prach (to ask) + aka suffix.

Root: prach (class 6)

Note: Qualifies prāmāṇikārthayogyatvam.

अविचार्य (avicārya) - without considering, without reflecting

(indeclinable)

Absolutive (Gerund)

a (negation) + vi (prefix) + root car (to move, consider) + ya (absolutive suffix).

Compound type : nañ-tatpuruṣa (a+vicārya)

• a – not, non
  indeclinable
• vicārya – having considered, having examined
  indeclinable
  Absolutive (Gerund)
  From vi + root car + ya.
  Prefix: vi
  Root: car (class 1)

Note: Qualifies the action of vakti.

च (ca) - and, also, even

(indeclinable)

Conjunction.

Note: Emphatic 'even' or simple conjunction for the preceding phrase.

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - which, what, who, that

Relative pronoun.

Note: Refers to the agent of vakti.

वक्ति (vakti) - speaks, says, tells

(verb)

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

Present Active Indicative

Root vac (class 2).

Root: vac (class 2)

तम् (tam) - him

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Demonstrative pronoun.

Note: Object of prāhuḥ.

इह (iha) - here, in this world, in this matter

(indeclinable)

Adverb of place/time.

प्राज्ञाः (prājñāḥ) - the wise ones, intelligent people

(noun)

Nominative, masculine, plural of prājña

prājña - wise, intelligent, knowing, a wise person

Derived from prajñā (wisdom).

Root: jñā (class 9)

Note: Subject of prāhuḥ.

प्राहुः (prāhuḥ) - they declare, they say, they call

(verb)

3rd person , plural, active, perfect indicative (lit) of pra-ah

Perfect Active Indicative (root ah is a deficient verb, usually used in perfect tense)

Root ah (perfect form). Often used with pra-.

Prefix: pra

Root: ah

मूढतरम् (mūḍhataram) - more foolish, exceedingly foolish

(adjective)

Accusative, masculine, singular of mūḍhatara

mūḍhatara - more foolish, exceedingly foolish

Comparative form of mūḍha (foolish) with tara suffix.

Root: muh (class 4)

Note: Second object of prāhuḥ (making someone something).

नरम् (naram) - man, person

(noun)

Accusative, masculine, singular of nara

nara - man, person