महाभारतः mahābhārataḥ - book-2, chapter-55, verse-8

त्वन्नियुक्तः सव्यसाची निगृह्णातु सुयोधनम् ।
निग्रहादस्य पापस्य मोदन्तां कुरवः सुखम् ॥८॥

8. tvanniyuktaḥ savyasācī nigṛhṇātu suyodhanam ,
nigrahādasya pāpasya modantāṁ kuravaḥ sukham.

8. tvanniyuktaḥ savyasācī nigṛhṇātu suyodhanam
nigrahāt asya pāpasya modantām kuravaḥ sukham

8. Arjuna (savyasācī), appointed by you, should subdue Suyodhana. By the vanquishing of this wicked person, may the Kurus rejoice in happiness.

Words meanings summery:

• त्वन्नियुक्तः (tvanniyuktaḥ) - appointed by Dhṛtarāṣṭra (appointed by you, designated by you)

• सव्यसाची (savyasācī) - Arjuna (epithet of Arjuna) (ambidextrous, one who can shoot with the left hand as well)

• निगृह्णातु (nigṛhṇātu) - may he subdue (may he seize, may he restrain, may he vanquish)

• सुयोधनम् (suyodhanam) - Duryodhana (the eldest of the Kaurava brothers) (Suyodhana (Duryodhana))

• निग्रहात् (nigrahāt) - from the vanquishing (of Suyodhana) (from seizing, from restraining, from subduing)

• अस्य (asya) - of this (Suyodhana) (of this, of him)

• पापस्य (pāpasya) - of this wicked person (Suyodhana) (of sin, of evil, of the wicked one)

• मोदन्ताम् (modantām) - may they rejoice, may they be glad

• कुरवः (kuravaḥ) - the people of the Kuru dynasty, including the Pāṇḍavas and the remaining Kauravas (the Kurus, descendants of Kuru)

• सुखम् (sukham) - happily, with joy, bliss

Words meanings and morphology

त्वन्नियुक्तः (tvanniyuktaḥ) - appointed by Dhṛtarāṣṭra (appointed by you, designated by you)

(adjective)

Nominative, masculine, singular of tvanniyukta

tvanniyukta - appointed by you, designated by you

Past Passive Participle

Compound of 'tva' (you) and 'niyukta' (appointed, past passive participle of root 'yuj' with prefix 'ni'). 'niyukta' means engaged, employed, appointed.

Compound type : bahuvrīhi (tva+niyukta)

• tva – you (as a possessive/agentive element in compound)
  pronoun
• niyukta – appointed, designated, engaged
  adjective (masculine)
  Past Passive Participle
  From root 'yuj' (to join, to yoke) with prefix 'ni' (down, in).
  Prefix: ni
  Root: yuj (class 7)

सव्यसाची (savyasācī) - Arjuna (epithet of Arjuna) (ambidextrous, one who can shoot with the left hand as well)

(proper noun)

Nominative, masculine, singular of savyasācin

savyasācin - ambidextrous, using the left hand

Compound of 'savya' (left) and 'sācin' (shooting, from 'sac' to go, or 'sāc' for archery). Epithet of Arjuna.

Compound type : tatpuruṣa (savya+sācin)

• savya – left
  adjective (masculine)
• sācin – shooting, drawing (bow)
  noun (masculine)
  Agent noun from root 'sac' (to go, accompany) or a derivation related to archery.
  Root: sac (class 1)

निगृह्णातु (nigṛhṇātu) - may he subdue (may he seize, may he restrain, may he vanquish)

(verb)

3rd person , singular, active, imperative (loṭ) of grah

Imperative, third person singular

From root 'grah' (class 9) with prefix 'ni'.

Prefix: ni

Root: grah (class 9)

सुयोधनम् (suyodhanam) - Duryodhana (the eldest of the Kaurava brothers) (Suyodhana (Duryodhana))

(proper noun)

Accusative, masculine, singular of suyodhana

suyodhana - good warrior, (a name for) Duryodhana

Compound of 'su' (good) and 'yodhana' (fighter). An alternative name for Duryodhana, often used by those who favored him, suggesting 'one who fights well'.

Compound type : tatpuruṣa (su+yodhana)

• su – good, well, excellent
  indeclinable
• yodhana – fighting, warrior
  noun (masculine)
  From root 'yudh' (to fight).
  Root: yudh (class 4)

निग्रहात् (nigrahāt) - from the vanquishing (of Suyodhana) (from seizing, from restraining, from subduing)

(noun)

Ablative, masculine, singular of nigraha

nigraha - seizing, restraining, subduing, vanquishing

From root 'grah' with prefix 'ni'.

Prefix: ni

Root: grah (class 9)

अस्य (asya) - of this (Suyodhana) (of this, of him)

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

पापस्य (pāpasya) - of this wicked person (Suyodhana) (of sin, of evil, of the wicked one)

(noun)

Genitive, masculine, singular of pāpa

pāpa - evil, sin, wicked, sinful act

मोदन्ताम् (modantām) - may they rejoice, may they be glad

(verb)

3rd person , plural, active, imperative (loṭ) of mud

Imperative, third person plural

From root 'mud' (class 1).

Root: mud (class 1)

कुरवः (kuravaḥ) - the people of the Kuru dynasty, including the Pāṇḍavas and the remaining Kauravas (the Kurus, descendants of Kuru)

(proper noun)

Nominative, masculine, plural of kuru

kuru - name of an ancient king, his descendants, or a country

सुखम् (sukham) - happily, with joy, bliss

(indeclinable)

Note: Accusative singular neuter used adverbially.