महाभारतः mahābhārataḥ - book-1, chapter-197, verse-23

इदं निर्दिग्धमयशः पुरोचनकृतं महत् ।
तेषामनुग्रहेणाद्य राजन्प्रक्षालयात्मनः ॥२३॥

23. idaṁ nirdigdhamayaśaḥ purocanakṛtaṁ mahat ,
teṣāmanugraheṇādya rājanprakṣālayātmanaḥ.

23. idam nirdigdham ayaśaḥ purocanakṛtam mahat
teṣām anugraheṇa adya rājan prakṣālayā ātmanaḥ

23. O King, today, by showing favor to them, wash away this great and indelible disgrace caused by Purocana from your own (ātman).

Words meanings summery:

• इदम् (idam) - this, this here

• निर्दिग्धम् (nirdigdham) - branded, indelible, burnt out, unpardonable

• अयशः (ayaśaḥ) - disgrace, infamy, dishonor

• पुरोचनकृतम् (purocanakṛtam) - done by Purocana, caused by Purocana

• महत् (mahat) - great, large, immense

• तेषाम् (teṣām) - of them

• अनुग्रहेण (anugraheṇa) - by favor, by grace, by kindness

• अद्य (adya) - today, now

• राजन् (rājan) - O King

• प्रक्षालया (prakṣālayā) - wash away, cleanse, purify

• आत्मनः (ātmanaḥ) - of self, of your (ātman)

Words meanings and morphology

इदम् (idam) - this, this here

(pronoun)

Nominative, neuter, singular of idam

idam - this, this here

Note: Refers to the impending disgrace.

निर्दिग्धम् (nirdigdham) - branded, indelible, burnt out, unpardonable

(adjective)

Nominative, neuter, singular of nirdigdha

nirdigdha - branded, indelible, burnt out, poisoned, unpardonable

Past Passive Participle

From nir + √dah (to burn) + kta suffix.

Prefix: nis

Root: dah (class 1)

Note: Agrees with 'ayaśaḥ'. Implies a deep, permanent mark.

अयशः (ayaśaḥ) - disgrace, infamy, dishonor

(noun)

Nominative, neuter, singular of ayaśas

ayaśas - disgrace, infamy, dishonor, ill-fame

Compound type : bahuvrihi (a+yaśas)

• a – not, un-
  indeclinable
  Negative prefix.
• yaśas – fame, glory, honor
  noun (neuter)

पुरोचनकृतम् (purocanakṛtam) - done by Purocana, caused by Purocana

(compound)

Compound type : tatpuruṣa (purocana+kṛta)

• purocana – Purocana (name of Duryodhana's minister who attempted to burn the Pandavas in the lac house)
  proper noun (masculine)
• kṛta – done, made, performed
  adjective (neuter)
  Past Passive Participle
  Past passive participle of root √kṛ (to do, make).
  Root: kṛ (class 8)

Note: Refers to the attempt to burn the Pandavas in the lac palace (Lākṣāgṛha).

महत् (mahat) - great, large, immense

(adjective)

Nominative, neuter, singular of mahat

mahat - great, large, immense, important

Note: Agrees with 'ayaśaḥ'.

तेषाम् (teṣām) - of them

(pronoun)

Genitive, masculine, plural of tad

tad - that, he, she, it

Note: Refers to the Pandavas.

अनुग्रहेण (anugraheṇa) - by favor, by grace, by kindness

(noun)

Instrumental, masculine, singular of anugraha

anugraha - favor, grace, kindness, assistance

From anu + √grah (to seize, take, favor).

Prefix: anu

Root: grah (class 9)

Note: Means 'by showing favor to them'.

अद्य (adya) - today, now

(indeclinable)

Note: Adverb of time.

राजन् (rājan) - O King

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

Note: Likely addressing Dhṛtarāṣṭra.

प्रक्षालया (prakṣālayā) - wash away, cleanse, purify

(verb)

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

Causative of pra-√kṣal (to wash).

Prefix: pra

Root: kṣal (class 1)

Note: Second person singular imperative.

आत्मनः (ātmanaḥ) - of self, of your (ātman)

(noun)

Genitive, masculine, singular of ātman

ātman - self, soul, spirit, essential nature, consciousness

Note: Means 'from your own self/soul'.