महाभारतः mahābhārataḥ - book-4, chapter-56, verse-19

दुःशासनो विकर्णश्च दुःसहोऽथ विविंशतिः ।
आगत्य भीमधन्वानं बीभत्सुं पर्यवारयन् ॥१९॥

19. duḥśāsano vikarṇaśca duḥsaho'tha viviṁśatiḥ ,
āgatya bhīmadhanvānaṁ bībhatsuṁ paryavārayan.

19. duḥśāsanaḥ vikarṇaḥ ca duḥsahaḥ atha viviṃśatiḥ
āgatya bhīmadhanvānam bībhatsum paryavārayan

19. Duḥśāsana, Vikaṛṇa, Duḥsaha, and Viviṃśati, having arrived, surrounded the formidable archer, Bibhatsu (Arjuna).

Words meanings summery:

• दुःशासनः (duḥśāsanaḥ) - Duḥśāsana

• विकर्णः (vikarṇaḥ) - Vikaṛṇa

• च (ca) - and

• दुःसहः (duḥsahaḥ) - Duḥsaha

• अथ (atha) - then, and, moreover

• विविंशतिः (viviṁśatiḥ) - Viviṃśati

• आगत्य (āgatya) - having come, having arrived

• भीमधन्वानम् (bhīmadhanvānam) - the formidable archer (Arjuna) (the formidable archer)

• बीभत्सुम् (bībhatsum) - Bibhatsu (a name of Arjuna) (Bibhatsu)

• पर्यवारयन् (paryavārayan) - they surrounded, they encompassed

Words meanings and morphology

दुःशासनः (duḥśāsanaḥ) - Duḥśāsana

(proper noun)

Nominative, masculine, singular of duḥśāsana

duḥśāsana - Duḥśāsana (one difficult to rule or control)

Compound type : tatpurusha (dus+śāsana)

• dus – bad, difficult, evil
  indeclinable
• śāsana – ruling, governing, teaching, command
  noun (neuter)
  Root: śās (class 2)

विकर्णः (vikarṇaḥ) - Vikaṛṇa

(proper noun)

Nominative, masculine, singular of vikarṇa

vikarṇa - Vikaṛṇa (a proper name, lit. 'without ears' or 'having special ears')

Compound type : bahuvrihi (vi+karṇa)

• vi – apart, away, without, special
  indeclinable
• karṇa – ear
  noun (masculine)

च (ca) - and

(indeclinable)

दुःसहः (duḥsahaḥ) - Duḥsaha

(proper noun)

Nominative, masculine, singular of duḥsaha

duḥsaha - Duḥsaha (a proper name, lit. 'difficult to bear')

Compound type : tatpurusha (dus+saha)

• dus – bad, difficult, evil
  indeclinable
• saha – bearing, enduring, tolerant
  adjective (masculine)
  Root: sah (class 1)

अथ (atha) - then, and, moreover

(indeclinable)

विविंशतिः (viviṁśatiḥ) - Viviṃśati

(proper noun)

Nominative, masculine, singular of viviṃśati

viviṁśati - Viviṃśati (a proper name, son of Dhṛtarāṣṭra)

आगत्य (āgatya) - having come, having arrived

(indeclinable)

Absolutive (Gerund)

Derived from root gam with upasarga ā and suffix -ya (after a prefix)

Prefix: ā

Root: gam (class 1)

भीमधन्वानम् (bhīmadhanvānam) - the formidable archer (Arjuna) (the formidable archer)

(adjective)

Accusative, masculine, singular of bhīmadhanvan

bhīmadhanvan - having a terrible/formidable bow

Compound type : bahuvrihi (bhīma+dhanvan)

• bhīma – terrible, formidable, dreadful
  adjective (masculine)
  Root: bhī (class 3)
• dhanvan – bow, archer
  noun (neuter)

बीभत्सुम् (bībhatsum) - Bibhatsu (a name of Arjuna) (Bibhatsu)

(proper noun)

Accusative, masculine, singular of bībhatsu

bībhatsu - disgusting, abhorrent, one who abhors; a name of Arjuna (referring to his aversion to cruel deeds)

Root: bhī (class 3)

पर्यवारयन् (paryavārayan) - they surrounded, they encompassed

(verb)

3rd person , plural, active, imperfect (laṅ) of paryavāray

Causative

Causative stem from root vṛ with upasargas pari and ava

Prefixes: pari+ava

Root: vṛ (class 5)