महाभारतः mahābhārataḥ - book-13, chapter-147, verse-11

अधर्मा धर्मरूपेण तृणैः कूपा इवावृताः ।
ततस्तैर्भिद्यते वृत्तं शृणु चैव युधिष्ठिर ॥११॥

11. adharmā dharmarūpeṇa tṛṇaiḥ kūpā ivāvṛtāḥ ,
tatastairbhidyate vṛttaṁ śṛṇu caiva yudhiṣṭhira.

11. adharmā dharmarūpeṇa tṛṇaiḥ kūpāḥ iva āvṛtāḥ
tataḥ taiḥ bhidyate vṛttam śṛṇu ca eva yudhiṣṭhira

11. Unrighteousness (adharma) often appears in the guise of natural law (dharma), much like wells covered by grass. Therefore, by these very (masked) unrighteous acts, established conduct and practice are undermined. Listen to this, O Yudhishthira.

Words meanings summery:

• अधर्मा (adharmā) - unconstitutional actions or unrighteousness (unrighteousness, unconstitutional actions, impiety)

• धर्मरूपेण (dharmarūpeṇa) - in the guise of natural law (dharma) (in the form of natural law, in the guise of natural law)

• तृणैः (tṛṇaiḥ) - by grass, by blades of grass

• कूपाः (kūpāḥ) - wells, pits

• इव (iva) - like, as, as it were

• आवृताः (āvṛtāḥ) - covered (by grass) (covered, enveloped, concealed)

• ततः (tataḥ) - therefore (then, thence, therefore, from that)

• तैः (taiḥ) - by those (adharma disguised as dharma) (by them)

• भिध्यते (bhidhyate) - is undermined (is broken, is undermined, is violated)

• वृत्तम् (vṛttam) - established conduct and practice (conduct, behavior, established practice, custom)

• शृणु (śṛṇu) - listen to this (listen, hear)

• च (ca) - and (and, also)

• एव (eva) - indeed, only, certainly

• युधिष्ठिर (yudhiṣṭhira) - O Yudhishthira (proper name)

Words meanings and morphology

अधर्मा (adharmā) - unconstitutional actions or unrighteousness (unrighteousness, unconstitutional actions, impiety)

(noun)

Nominative, masculine, plural of adharma

adharma - unrighteousness, unconstitutionality, impiety, injustice

Negative particle 'a' + dharma.

Compound type : tatpuruṣa (a+dharma)

• a – not, non-
  indeclinable
  negative prefix
• dharma – natural law, duty, righteousness, constitution, intrinsic nature, virtue
  noun (masculine)
  Derived from root dhṛ 'to uphold, support'
  Root: dhṛ (class 1)

Note: Refers to multiple instances or forms of unrighteousness.

धर्मरूपेण (dharmarūpeṇa) - in the guise of natural law (dharma) (in the form of natural law, in the guise of natural law)

(adjective)

Instrumental, neuter, singular of dharmarūpa

dharmarūpa - having the form of dharma, appearing as dharma

Compound of dharma ('natural law') and rūpa ('form, shape').

Compound type : tatpuruṣa (dharma+rūpa)

• dharma – natural law, duty, righteousness, constitution, intrinsic nature, virtue
  noun (masculine)
  Root: dhṛ (class 1)
• rūpa – form, shape, appearance, guise
  noun (neuter)

Note: Adverbial instrumental, meaning "by means of the form of dharma" or "in the guise of dharma".

तृणैः (tṛṇaiḥ) - by grass, by blades of grass

(noun)

Instrumental, neuter, plural of tṛṇa

tṛṇa - grass, a blade of grass, straw

कूपाः (kūpāḥ) - wells, pits

(noun)

Nominative, masculine, plural of kūpa

kūpa - well, pit, hole

इव (iva) - like, as, as it were

(indeclinable)

Note: Particle of comparison.

आवृताः (āvṛtāḥ) - covered (by grass) (covered, enveloped, concealed)

(participle)

Nominative, masculine, plural of āvṛta

āvṛta - covered, surrounded, concealed, hidden

past passive participle

From root vṛ ('to cover, choose') with prefix ā-.

Prefix: ā

Root: vṛ (class 5)

Note: Agrees with kūpāḥ.

ततः (tataḥ) - therefore (then, thence, therefore, from that)

(indeclinable)

Adverbial formation with ablative suffix -tas.

तैः (taiḥ) - by those (adharma disguised as dharma) (by them)

(pronoun)

Instrumental, masculine, plural of tad

tad - that, those

Pronominal base.

Note: Refers back to adharmā.

भिध्यते (bhidhyate) - is undermined (is broken, is undermined, is violated)

(verb)

3rd person , singular, passive, present (lat) of bhid

present passive

Present passive 3rd person singular of root bhid ('to break').

Root: bhid (class 7)

वृत्तम् (vṛttam) - established conduct and practice (conduct, behavior, established practice, custom)

(noun)

Nominative, neuter, singular of vṛtta

vṛtta - conduct, behavior, established practice, custom, what has occurred

past passive participle (substantivized)

From root vṛt ('to be, exist, turn'), here used as a noun.

Root: vṛt (class 1)

Note: Grammatically the subject of the passive verb bhidyate.

शृणु (śṛṇu) - listen to this (listen, hear)

(verb)

2nd person , singular, active, imperative (loṭ) of śru

imperative active

Imperative 2nd person singular active of root śru ('to hear').

Root: śru (class 5)

च (ca) - and (and, also)

(indeclinable)

Note: Conjunction particle.

एव (eva) - indeed, only, certainly

(indeclinable)

Note: Emphasizing particle.

युधिष्ठिर (yudhiṣṭhira) - O Yudhishthira (proper name)

(proper noun)

Vocative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - Yudhishthira (the eldest of the Pandavas, firm in battle)

Compound: yudhi ('in battle', locative of yudh) + sthira ('firm, steady'). Aluk-samāsa retains the case ending of the first member.