योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-18, verse-68

न कुतार्किकतामेत्य नाशनीया प्रबुद्धता ।
अनुभूत्यपलापान्तैरपवित्रैर्विकल्पितैः ॥ ६८ ॥

na kutārkikatāmetya nāśanīyā prabuddhatā ,
anubhūtyapalāpāntairapavitrairvikalpitaiḥ 68

68. na kutārkikatām etya na āśanīyā prabuddhatā |
anubhūtyapalāpāntaiḥ apavitraiḥ vikalpitaiḥ ||

68. kutārkikatām etya na prabuddhatā na āśanīyā
anubhūtyapalāpāntaiḥ apavitraiḥ vikalpitaiḥ (nāśanīyā)

68. One should not resort to perverse logic (kutārkikatā) and destroy one's clear understanding (prabuddhatā) with impure, concocted notions that ultimately deny direct experience (anubhūti).

Words meanings summery:

• न (na) - not, no, nor

• कुतार्किकताम् (kutārkikatām) - to sophistry, to false reasoning, to the state of bad logic

• एत्य (etya) - having gone, having resorted to, having attained

• न (na) - not, no, nor

• आशनीया (āśanīyā) - should be destroyed, to be ruined

• प्रबुद्धता (prabuddhatā) - awakened state, clear understanding, enlightenment, wisdom

• अनुभूत्यपलापान्तैः (anubhūtyapalāpāntaiḥ) - by those whose end is the denial of direct experience, by arguments culminating in the denial of perception

• अपवित्रैः (apavitraiḥ) - by impure ones, by unholy things/arguments

• विकल्पितैः (vikalpitaiḥ) - by imagined, by concocted, by erroneous conceptions, by sophistries

Words meanings and morphology

न (na) - not, no, nor

(indeclinable)

Note: Particle of negation.

कुतार्किकताम् (kutārkikatām) - to sophistry, to false reasoning, to the state of bad logic

(noun)

Accusative, feminine, singular of kutārkikatā

kutārkikatā - sophistry, bad reasoning, fallacious logic

From ku- + tārkika + -tā. 'ku' indicates bad/false. 'tārkika' refers to a logician. '-tā' forms a feminine noun of state.

Compound type : tatpurusha (ku+tārkika+tā)

• ku – bad, evil, false, difficult (prefix)
  indeclinable
  Prefix indicating inferiority or wrongness.
• tārkika – a logician, one skilled in dialectics
  noun (masculine)
  From tarka (logic, reasoning) + -ika.
• tā – suffix forming feminine nouns denoting 'state of being', '-ness'
  suffix (feminine)

Note: Object of 'etya'.

एत्य (etya) - having gone, having resorted to, having attained

(indeclinable)

Absolutive (Gerund)

From root i (to go) + suffix -tvā (replaced by -ya when prefixed, but i is irregular here). Or root i + lyap (with no upasarga).

Root: i (class 2)

Note: Functions as an absolutive.

न (na) - not, no, nor

(indeclinable)

Note: Particle of negation.

आशनीया (āśanīyā) - should be destroyed, to be ruined

(adjective)

Nominative, feminine, singular of āśanīya

āśanīya - to be destroyed, to be ruined, perishable

Gerundive

From root aś (to eat, consume, destroy) + anīya suffix.

Root: aś (class 9)

Note: Predicative adjective, qualifying 'prabuddhatā'.

प्रबुद्धता (prabuddhatā) - awakened state, clear understanding, enlightenment, wisdom

(noun)

Nominative, feminine, singular of prabuddhatā

prabuddhatā - awakened state, enlightenment, wisdom, clear understanding

From prabuddha (awakened) + suffix -tā.

Note: Subject of 'āśanīyā'.

अनुभूत्यपलापान्तैः (anubhūtyapalāpāntaiḥ) - by those whose end is the denial of direct experience, by arguments culminating in the denial of perception

(adjective)

Instrumental, masculine, plural of anubhūtyapalāpānta

anubhūtyapalāpānta - that whose end is the denial of direct experience

Compound: anubhūti (direct experience) + apalāpa (denial) + anta (end, conclusion). It is a bahuvrihi compound, describing something that has this as its end.

Compound type : bahuvrihi (anubhūti+apalāpa+anta)

• anubhūti – direct experience, perception, apprehension
  noun (feminine)
  From anu- + root bhū.
  Prefix: anu
  Root: bhū (class 1)
• apalāpa – denial, concealment, evasion, repudiation
  noun (masculine)
  From apa- + root lap.
  Prefix: apa
  Root: lap (class 1)
• anta – end, limit, conclusion, boundary
  noun (masculine)

Note: Refers to 'arguments' or 'notions' (implied by 'vikalpitaiḥ').

अपवित्रैः (apavitraiḥ) - by impure ones, by unholy things/arguments

(adjective)

Instrumental, masculine, plural of apavitra

apavitra - impure, unholy, defiled, abominable

Compound of a (negation) + pavitra (pure).

Compound type : nañ-tatpurusha (a+pavitra)

• a – not, un- (negative prefix)
  indeclinable
  Negative prefix.
• pavitra – pure, sacred, holy, cleansing
  adjective (neuter)
  From root pū (to purify) + itra.
  Root: pū (class 1)

Note: Qualifies 'vikalpitaiḥ'.

विकल्पितैः (vikalpitaiḥ) - by imagined, by concocted, by erroneous conceptions, by sophistries

(adjective)

Instrumental, masculine, plural of vikalpita

vikalpita - imagined, fancied, conceived, erroneous, confused

Past Passive Participle

From vi- + root kḷp (to imagine, arrange, contrive).

Prefix: vi

Root: kḷp (class 1)

Note: Agent (instrument) of 'nāśanīyā'.