महाभारतः mahābhārataḥ - book-10, chapter-2, verse-18

एवमेतदनादृत्य वर्तते यस्त्वतोऽन्यथा ।
स करोत्यात्मनोऽनर्थान्नैष बुद्धिमतां नयः ॥१८॥

18. evametadanādṛtya vartate yastvato'nyathā ,
sa karotyātmano'narthānnaiṣa buddhimatāṁ nayaḥ.

18. evam etat anādṛtya vartate yaḥ tu ataḥ anyathā saḥ
karoti ātmanaḥ anarthān na eṣaḥ buddhimatām nayaḥ

18. yaḥ tu etat evam anādṛtya ataḥ anyathā vartate,
saḥ ātmanaḥ anarthān karoti.
eṣaḥ buddhimatām nayaḥ na.

18. But whoever acts otherwise than this, disregarding this principle (of effort), he brings misfortunes upon himself. This is not the policy (naya) of the intelligent.

Words meanings summery:

• एवम् (evam) - thus, in this manner, so

• एतत् (etat) - this principle (of effort or its lack) (this, that)

• अनादृत्य (anādṛtya) - disregarding, disrespecting, without honoring

• वर्तते (vartate) - acts, behaves, exists, proceeds

• यः (yaḥ) - whoever (the person who) (who, whoever)

• तु (tu) - but (but, indeed, on the other hand)

• अतः (ataḥ) - from this (principle) (from this, therefore, hence)

• अन्यथा (anyathā) - otherwise, differently, in another way

• सः (saḥ) - he (that person) (he, that)

• करोति (karoti) - brings (misfortunes) (does, makes, performs)

• आत्मनः (ātmanaḥ) - upon himself (of oneself, for oneself, to oneself)

• अनर्थान् (anarthān) - misfortunes (misfortunes, calamities, evils, harms, useless things)

• न (na) - not, no

• एषः (eṣaḥ) - this (way of acting) (this, this one)

• बुद्धिमताम् (buddhimatām) - of the intelligent, of the wise

• नयः (nayaḥ) - the policy or principle (of conduct) (policy, conduct, rule, principle, guidance)

Words meanings and morphology

एवम् (evam) - thus, in this manner, so

(indeclinable)

एतत् (etat) - this principle (of effort or its lack) (this, that)

(pronoun)

Accusative, neuter, singular of etad

etad - this, that

Demonstrative pronoun.

Note: Object of the implied meaning of 'anādṛtya'.

अनादृत्य (anādṛtya) - disregarding, disrespecting, without honoring

(indeclinable)

Absolutive (gerund)

From an-ā-√dṛ (to disregard) + suffix -ya (lab-suffix). Negated by 'an-'.

Compound type : nañ-tatpuruṣa (an+ādṛtya)

• an – not, un-
  indeclinable
  Negative particle
• ādṛtya – having honored, having respected
  indeclinable
  Absolutive (gerund)
  From ā-√dṛ (to respect) + suffix -ya (lab)
  Prefix: ā
  Root: dṛ (class 6)

Note: Negated absolutive.

वर्तते (vartate) - acts, behaves, exists, proceeds

(verb)

3rd person , singular, middle, present (laṭ) of vṛt

Present Tense, Ātmanepada

From root √vṛt (to be, exist).

Root: vṛt (class 1)

यः (yaḥ) - whoever (the person who) (who, whoever)

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

Relative pronoun.

Note: Subject of 'vartate'.

तु (tu) - but (but, indeed, on the other hand)

(indeclinable)

Particle.

अतः (ataḥ) - from this (principle) (from this, therefore, hence)

(indeclinable)

Adverbial form of 'idam'.

अन्यथा (anyathā) - otherwise, differently, in another way

(indeclinable)

From anya (other) + -thā (adverbial suffix).

सः (saḥ) - he (that person) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Demonstrative pronoun, used anaphorically for 'yaḥ'.

Note: Subject of 'karoti'.

करोति (karoti) - brings (misfortunes) (does, makes, performs)

(verb)

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

Present Tense, Parasmaipada

From root √kṛ (to do, make).

Root: kṛ (class 8)

आत्मनः (ātmanaḥ) - upon himself (of oneself, for oneself, to oneself)

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, spirit, essence, breath, the individual soul, the Supreme Soul (ātman)

Note: Genitive indicating for whom the action is.

अनर्थान् (anarthān) - misfortunes (misfortunes, calamities, evils, harms, useless things)

(noun)

Accusative, masculine, plural of anartha

anartha - meaningless, useless, mischievous, misfortune, calamity, evil, harm

From an-artha (not + purpose/wealth).

Compound type : nañ-tatpuruṣa (an+artha)

• an – not, un-
  indeclinable
  Negative particle
• artha – purpose, meaning, wealth, object, cause, benefit
  noun (masculine)

Note: Object of 'karoti'.

न (na) - not, no

(indeclinable)

एषः (eṣaḥ) - this (way of acting) (this, this one)

(pronoun)

Nominative, masculine, singular of etad

etad - this, that

Demonstrative pronoun.

Note: Subject of implied 'asti'.

बुद्धिमताम् (buddhimatām) - of the intelligent, of the wise

(adjective)

Genitive, masculine, plural of buddhimat

buddhimat - intelligent, wise, discerning, clever

From buddhi (intellect) + -mat (possessive suffix).

Root: budh (class 1)

नयः (nayaḥ) - the policy or principle (of conduct) (policy, conduct, rule, principle, guidance)

(noun)

Nominative, masculine, singular of naya

naya - leading, guiding, conduct, policy, system, rule, principle, wisdom

From root √nī (to lead).

Root: nī (class 1)