योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-89, verse-15

अविद्यामपि ये युक्त्या साधयन्ति सुखात्मिकाम् ।
ते ह्यविद्यामया एव नत्वात्मज्ञास्तथाक्रमाः ॥ १५ ॥

avidyāmapi ye yuktyā sādhayanti sukhātmikām ,
te hyavidyāmayā eva natvātmajñāstathākramāḥ 15

15. avidyām api ye yuktyā sādhayanti sukhātmikām te
hi avidyāmayāḥ eva na tu ātmajñāḥ tathākramāḥ

15. ye avidyām api yuktyā sukhātmikām sādhayanti te
hi avidyāmayāḥ eva tu ātmajñāḥ tathākramāḥ na

15. Those who, even through elaborate reasoning, try to establish ignorance (avidyā) as inherently constituting happiness, are themselves indeed immersed in ignorance (avidyā). They are certainly not true knowers of the self (ātman) who follow the correct spiritual path.

Words meanings summery:

• अविद्याम् (avidyām) - ignorance, nescience

• अपि (api) - even, also, too

• ये (ye) - which, who, those who

• युक्त्या (yuktyā) - by reason, by logic, by proper method

• साधयन्ति (sādhayanti) - they establish, they prove, they achieve

• सुखात्मिकाम् (sukhātmikām) - having the nature of happiness, consisting of happiness

• ते (te) - they, those

• हि (hi) - indeed, for, because

• अविद्यामयाः (avidyāmayāḥ) - consisting of ignorance, made of ignorance

• एव (eva) - only, indeed, certainly

• न (na) - not, no

• तु (tu) - but, on the other hand

• आत्मज्ञाः (ātmajñāḥ) - knowers of the self

• तथाक्रमाः (tathākramāḥ) - those who follow the correct spiritual path/order (i.e., not establishing ignorance as happiness) (those of such a path, following such a procedure)

Words meanings and morphology

अविद्याम् (avidyām) - ignorance, nescience

(noun)

Accusative, feminine, singular of avidyā

avidyā - ignorance, nescience, spiritual ignorance

compound of 'a' (negation) and 'vidyā' (knowledge)

Compound type : Nañ-Tatpuruṣa (a+vidyā)

• a – not, non-
  indeclinable
• vidyā – knowledge, learning, science
  noun (feminine)
  action noun
  from root vid (to know)
  Root: vid (class 2)

अपि (api) - even, also, too

(indeclinable)

ये (ye) - which, who, those who

(pronoun)

Nominative, masculine, plural of yad

yad - which, what, who

युक्त्या (yuktyā) - by reason, by logic, by proper method

(noun)

Instrumental, feminine, singular of yukti

yukti - junction, application, reasoning, argument, device, proper method

action noun

from root yuj (to join, connect)

Root: yuj (class 7)

साधयन्ति (sādhayanti) - they establish, they prove, they achieve

(verb)

3rd person , plural, active, present (laṭ) of sādhay

Causative verb

Causative stem from root sādh (to accomplish, succeed)

Root: sādh (class 5)

सुखात्मिकाम् (sukhātmikām) - having the nature of happiness, consisting of happiness

(adjective)

Accusative, feminine, singular of sukhātmikā

sukhātmikā - having happiness as its nature, consisting of happiness

compound of 'sukha' (happiness) and 'ātman' (nature/self) with suffix 'ika'

Compound type : Bahuvrīhi / Tatpuruṣa with suffix (sukha+ātman+ika)

• sukha – happiness, joy, ease
  noun (neuter)
• ātman – self, soul, essence, nature
  noun (masculine)
• ika – pertaining to, related to
  suffix
  adjectival suffix

ते (te) - they, those

(pronoun)

Nominative, masculine, plural of tad

tad - that, those

हि (hi) - indeed, for, because

(indeclinable)

अविद्यामयाः (avidyāmayāḥ) - consisting of ignorance, made of ignorance

(adjective)

Nominative, masculine, plural of avidyāmaya

avidyāmaya - consisting of ignorance, made of ignorance, filled with ignorance

compound of 'avidyā' (ignorance) and '-maya' (made of)

Compound type : Tatpuruṣa (avidyā+maya)

• avidyā – ignorance, nescience, spiritual ignorance
  noun (feminine)
  compound of 'a' (negation) and 'vidyā' (knowledge)
• maya – made of, consisting of, full of
  suffix (masculine)
  suffix forming adjectives

एव (eva) - only, indeed, certainly

(indeclinable)

न (na) - not, no

(indeclinable)

तु (tu) - but, on the other hand

(indeclinable)

आत्मज्ञाः (ātmajñāḥ) - knowers of the self

(noun)

Nominative, masculine, plural of ātmajña

ātmajña - knower of the self (ātman)

compound of 'ātman' (self) and 'jña' (knower)

Compound type : Ṣaṣṭhī-Tatpuruṣa (ātman+jña)

• ātman – self, soul, essence, individual soul
  noun (masculine)
• jña – knower, understanding
  noun (masculine)
  agent noun
  from root jñā (to know)
  Root: jñā (class 9)

तथाक्रमाः (tathākramāḥ) - those who follow the correct spiritual path/order (i.e., not establishing ignorance as happiness) (those of such a path, following such a procedure)

(adjective)

Nominative, masculine, plural of tathākrama

tathākrama - of such a course, having such a sequence, following such a rule or procedure

Bahuvrīhi compound: 'tathā' (thus, such) + 'krama' (order, path, sequence)

Compound type : Bahuvrīhi (tathā+krama)

• tathā – thus, so, in that manner
  indeclinable
• krama – step, order, sequence, method, path
  noun (masculine)
  action noun
  from root kram (to step)
  Root: kram (class 1)