महाभारतः mahābhārataḥ - book-12, chapter-286, verse-28

एकः शत्रुर्न द्वितीयोऽस्ति शत्रुरज्ञानतुल्यः पुरुषस्य राजन् ।
येनावृतः कुरुते संप्रयुक्तो घोराणि कर्माणि सुदारुणानि ॥२८॥

28. ekaḥ śatrurna dvitīyo'sti śatru;rajñānatulyaḥ puruṣasya rājan ,
yenāvṛtaḥ kurute saṁprayukto; ghorāṇi karmāṇi sudāruṇāni.

28. ekaḥ śatruḥ na dvitīyaḥ asti
śatruḥ ajñānatulyaḥ puruṣasya rājan
| yena āvṛtaḥ kurute saṃprayuktaḥ
ghorāṇi karmāṇi sudāruṇāni

28. rājan,
puruṣasya ajñānatulyaḥ ekaḥ śatruḥ asti,
dvitīyaḥ śatruḥ na (asti) yena āvṛtaḥ saṃprayuktaḥ (san) ghorāṇi sudāruṇāni karmāṇi kurute

28. O King, there is only one enemy; no second enemy exists that is comparable to ignorance (ajñāna) for a person (puruṣa). Shrouded by which (ignorance), when intimately connected, one performs terrible and extremely cruel actions (karma).

Words meanings summery:

• एकः (ekaḥ) - one, a single

• शत्रुः (śatruḥ) - enemy

• न (na) - not, no

• द्वितीयः (dvitīyaḥ) - second

• अस्ति (asti) - is, exists

• शत्रुः (śatruḥ) - enemy

• अज्ञानतुल्यः (ajñānatulyaḥ) - equal to ignorance, comparable to ignorance

• पुरुषस्य (puruṣasya) - of a person (puruṣa) (of a person, of the cosmic person)

• राजन् (rājan) - O King

• येन (yena) - by which (ignorance) (by which)

• आवृतः (āvṛtaḥ) - shrouded (by ignorance) (covered, shrouded, enveloped)

• कुरुते (kurute) - he performs, he does

• संप्रयुक्तः (saṁprayuktaḥ) - intimately connected (with ignorance) (joined, connected, associated, employed)

• घोराणि (ghorāṇi) - terrible, dreadful, fearful

• कर्माणि (karmāṇi) - actions (karma) (actions, deeds)

• सुदारुणानि (sudāruṇāni) - very cruel, exceedingly terrible

Words meanings and morphology

एकः (ekaḥ) - one, a single

(numeral)

शत्रुः (śatruḥ) - enemy

(noun)

Nominative, masculine, singular of śatru

śatru - enemy, foe

Root: śad (class 1)

न (na) - not, no

(indeclinable)

द्वितीयः (dvitīyaḥ) - second

(numeral)

अस्ति (asti) - is, exists

(verb)

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

Present

Root 'as', parasmaipada, 3rd person singular.

Root: as (class 2)

शत्रुः (śatruḥ) - enemy

(noun)

Nominative, masculine, singular of śatru

śatru - enemy, foe

Root: śad (class 1)

अज्ञानतुल्यः (ajñānatulyaḥ) - equal to ignorance, comparable to ignorance

(adjective)

Nominative, masculine, singular of ajñānatulya

ajñānatulya - equal to ignorance

ajñāna (ignorance) + tulya (equal)

Compound type : tatpuruṣa (ajñāna+tulya)

• ajñāna – ignorance, nescience (ajñāna)
  noun (neuter)
  a (negation) + jñāna (knowledge)
  Root: jñā (class 9)
• tulya – equal, similar
  adjective (masculine)
  from root tul (to weigh)
  Root: tul (class 10)

पुरुषस्य (puruṣasya) - of a person (puruṣa) (of a person, of the cosmic person)

(noun)

Genitive, masculine, singular of puruṣa

puruṣa - man, person, male, the supreme being, cosmic person (puruṣa)

राजन् (rājan) - O King

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

Root: rāj (class 1)

येन (yena) - by which (ignorance) (by which)

(pronoun)

Instrumental, neuter, singular of yad

yad - which, what

Note: Refers to 'ajñāna' (ignorance), which is neuter.

आवृतः (āvṛtaḥ) - shrouded (by ignorance) (covered, shrouded, enveloped)

(adjective)

Nominative, masculine, singular of āvṛta

āvṛta - covered, enveloped, concealed

Past Passive Participle

from root vṛ (to cover) with prefix ā

Prefix: ā

Root: vṛ (class 5)

कुरुते (kurute) - he performs, he does

(verb)

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

Present

Root 'kṛ', ātmanepada, 3rd person singular.

Root: kṛ (class 8)

संप्रयुक्तः (saṁprayuktaḥ) - intimately connected (with ignorance) (joined, connected, associated, employed)

(adjective)

Nominative, masculine, singular of saṃprayukta

saṁprayukta - joined, connected, employed, associated

Past Passive Participle

from root yuj (to join) with prefixes sam and pra

Prefixes: sam+pra

Root: yuj (class 7)

Note: Refers to 'puruṣa' implicitly.

घोराणि (ghorāṇi) - terrible, dreadful, fearful

(adjective)

Accusative, neuter, plural of ghora

ghora - terrible, dreadful, fearful, intense

Root: ghur (class 1)

कर्माणि (karmāṇi) - actions (karma) (actions, deeds)

(noun)

Accusative, neuter, plural of karman

karman - action, deed, work, ritual, destiny (karma)

Root: kṛ (class 8)

सुदारुणानि (sudāruṇāni) - very cruel, exceedingly terrible

(adjective)

Accusative, neuter, plural of sudāruṇa

sudāruṇa - very cruel, exceedingly dreadful

su (very) + dāruṇa (cruel)

Compound type : tatpuruṣa (su+dāruṇa)

• su – good, well, very
  indeclinable
  prefix
• dāruṇa – cruel, dreadful, harsh
  adjective (neuter)
  Root: dṝ (class 1)