महाभारतः mahābhārataḥ - book-7, chapter-60, verse-29

यथा परमकं कृत्यं सैन्धवस्य वधे मम ।
तथैव सुमहत्कृत्यं धर्मराजस्य रक्षणे ॥२९॥

29. yathā paramakaṁ kṛtyaṁ saindhavasya vadhe mama ,
tathaiva sumahatkṛtyaṁ dharmarājasya rakṣaṇe.

29. yathā paramakam kṛtyam saindhavasya vadhe mama
tathā eva sumahatkṛtyam dharmarājasya rakṣaṇe

29. yathā mama saindhavasya vadhe paramakam kṛtyam,
tathā eva dharmarājasya rakṣaṇe sumahatkṛtyam

29. Just as the supreme duty for me is in the slaying of Saindhava, so too, a very great duty lies in the protection of Dharmaraja (Yudhishthira).

Words meanings summery:

• यथा (yathā) - just as (as, just as)

• परमकम् (paramakam) - supreme (supreme, highest, principal)

• कृत्यम् (kṛtyam) - duty, task (duty, task, deed, something to be done)

• सैन्धवस्य (saindhavasya) - of Jayadratha, the King of Sindhu (of Saindhava)

• वधे (vadhe) - in the slaying (in the killing, in the slaying)

• मम (mama) - my (my, of me)

• तथा (tathā) - so too, similarly (so, thus, in that manner)

• एव (eva) - indeed, certainly (intensifier) (only, just, indeed, certainly)

• सुमहत्कृत्यम् (sumahatkṛtyam) - a very great duty (a very great duty, a very great task)

• धर्मराजस्य (dharmarājasya) - of Dharmaraja (Yudhishthira) (of the king of dharma)

• रक्षणे (rakṣaṇe) - in the protection (in the protection, in the guarding)

Words meanings and morphology

यथा (yathā) - just as (as, just as)

(indeclinable)

परमकम् (paramakam) - supreme (supreme, highest, principal)

(adjective)

Nominative, neuter, singular of paramaka

paramaka - highest, principal, best, supreme

Diminutive or emphatic form of parama.

कृत्यम् (kṛtyam) - duty, task (duty, task, deed, something to be done)

(noun)

Nominative, neuter, singular of kṛtya

kṛtya - duty, deed, action, task; something to be done

gerundive

From root kṛ (to do), suffix -ya. Functions as a noun here.

Root: kṛ (class 8)

सैन्धवस्य (saindhavasya) - of Jayadratha, the King of Sindhu (of Saindhava)

(proper noun)

Genitive, masculine, singular of saindhava

saindhava - relating to Sindhu; a king of Sindhu

वधे (vadhe) - in the slaying (in the killing, in the slaying)

(noun)

Locative, masculine, singular of vadha

vadha - killing, slaying, murder, destruction

From root vadh (to strike, kill).

Root: vadh (class 1)

मम (mama) - my (my, of me)

(pronoun)

Genitive, singular of asmad

asmad - I, we

Personal pronoun.

तथा (tathā) - so too, similarly (so, thus, in that manner)

(indeclinable)

एव (eva) - indeed, certainly (intensifier) (only, just, indeed, certainly)

(indeclinable)

Particle.

सुमहत्कृत्यम् (sumahatkṛtyam) - a very great duty (a very great duty, a very great task)

(noun)

Nominative, neuter, singular of sumahatkṛtya

sumahatkṛtya - a very great duty or task, an exceedingly important matter to be done

Compound.

Compound type : karmadhāraya (su+mahat+kṛtya)

• su – good, well, excellent, very
  indeclinable
  Prefix.
• mahat – great, large, important
  adjective (neuter)
• kṛtya – duty, deed, action, task; something to be done
  noun (neuter)
  gerundive
  From root kṛ (to do), suffix -ya. Functions as a noun here.
  Root: kṛ (class 8)

धर्मराजस्य (dharmarājasya) - of Dharmaraja (Yudhishthira) (of the king of dharma)

(proper noun)

Genitive, masculine, singular of dharmarāja

dharmarāja - king of righteousness, king of justice; a title of Yama; Yudhishthira

Compound.

Compound type : tatpuruṣa (dharma+rājan)

• dharma – natural law (dharma), constitution, righteousness, duty, virtue
  noun (masculine)
  From root dhṛ (to uphold, support).
  Root: dhṛ (class 1)
• rājan – king, ruler
  noun (masculine)
  Root: rāj (class 1)

रक्षणे (rakṣaṇe) - in the protection (in the protection, in the guarding)

(noun)

Locative, neuter, singular of rakṣaṇa

rakṣaṇa - protection, guarding, preserving

From root rakṣ (to protect), suffix -ana.

Root: rakṣ (class 1)