महाभारतः mahābhārataḥ - book-1, chapter-171, verse-4

अशिष्टानां नियन्ता हि शिष्टानां परिरक्षता ।
स्थाने रोषः प्रयुक्तः स्यान्नृपैः स्वर्गजिगीषुभिः ॥४॥

4. aśiṣṭānāṁ niyantā hi śiṣṭānāṁ parirakṣatā ,
sthāne roṣaḥ prayuktaḥ syānnṛpaiḥ svargajigīṣubhiḥ.

4. aśiṣṭānām niyantā hi śiṣṭānām parirakṣitā sthāne
roṣaḥ prayuktaḥ syāt nṛpaiḥ svargajigīṣubhiḥ

4. Indeed, anger (roṣa) is appropriately employed by kings (nṛpa) who desire to conquer heaven (svarga), as it serves to control the unruly and protect the virtuous (śiṣṭa).

Words meanings summery:

• अशिष्टानाम् (aśiṣṭānām) - of the unruly (of the uncultured, of the ill-behaved, of the rude)

• नियन्ता (niyantā) - the controller (controller, governor, charioteer)

• हि (hi) - indeed (indeed, for, because)

• शिष्टानाम् (śiṣṭānām) - of the virtuous (śiṣṭa) (of the disciplined, of the virtuous, of the civilized)

• परिरक्षिता (parirakṣitā) - the protector (protector, preserver)

• स्थाने (sthāne) - appropriately (in place, appropriately, rightly)

• रोषः (roṣaḥ) - anger (roṣa) (anger, wrath)

• प्रयुक्तः (prayuktaḥ) - applied, employed (applied, employed, engaged)

• स्यात् (syāt) - should be (applied) (it should be, it may be, it would be)

• नृपैः (nṛpaiḥ) - by kings (nṛpa) (by kings, by rulers)

• स्वर्गजिगीषुभिः (svargajigīṣubhiḥ) - by those kings who desire to conquer heaven (svarga) (by those desirous of conquering heaven)

Words meanings and morphology

अशिष्टानाम् (aśiṣṭānām) - of the unruly (of the uncultured, of the ill-behaved, of the rude)

(adjective)

Genitive, masculine, plural of aśiṣṭa

aśiṣṭa - unruly, ill-behaved, uncultured, wicked

past passive participle (negative)

a + √śiṣ (to teach, to discipline) + kta

Compound type : prādi-samāsa (a+śiṣṭa)

• a – not, non-, un-
  indeclinable
  negative prefix
• śiṣṭa – disciplined, virtuous, educated, civilized
  adjective (masculine)
  Past Passive Participle
  from √śiṣ (to teach, to discipline) + kta
  Root: śiṣ (class 7)

नियन्ता (niyantā) - the controller (controller, governor, charioteer)

(noun)

Nominative, masculine, singular of niyantṛ

niyantṛ - controller, guide, charioteer

agent noun

from ni-√yam (1st class) + tṛc suffix

Prefix: ni

Root: yam (class 1)

हि (hi) - indeed (indeed, for, because)

(indeclinable)

शिष्टानाम् (śiṣṭānām) - of the virtuous (śiṣṭa) (of the disciplined, of the virtuous, of the civilized)

(adjective)

Genitive, masculine, plural of śiṣṭa

śiṣṭa - disciplined, virtuous, educated, civilized

Past Passive Participle

from √śiṣ (to teach, to discipline) + kta

Root: śiṣ (class 7)

परिरक्षिता (parirakṣitā) - the protector (protector, preserver)

(noun)

Nominative, masculine, singular of parirakṣitṛ

parirakṣitṛ - protector, preserver, defender

agent noun

from pari-√rakṣ (1st class) + tṛc suffix

Prefix: pari

Root: rakṣ (class 1)

स्थाने (sthāne) - appropriately (in place, appropriately, rightly)

(noun)

Locative, neuter, singular of sthāna

sthāna - place, position, occasion, right time

from √sthā (1st class) + lyuṭ suffix

Root: sthā (class 1)

Note: Often used adverbially.

रोषः (roṣaḥ) - anger (roṣa) (anger, wrath)

(noun)

Nominative, masculine, singular of roṣa

roṣa - anger, wrath, indignation

from √ruṣ (1st class) + ghañ suffix

Root: ruṣ (class 1)

प्रयुक्तः (prayuktaḥ) - applied, employed (applied, employed, engaged)

(adjective)

Nominative, masculine, singular of prayukta

prayukta - applied, employed, engaged, used

Past Passive Participle

from pra-√yuj (7th class) + kta suffix

Prefix: pra

Root: yuj (class 7)

स्यात् (syāt) - should be (applied) (it should be, it may be, it would be)

(verb)

3rd person , singular, active, optative (vidhi liṅ) of as

optative mood, 3rd person singular

from root √as (2nd class)

Root: as (class 2)

नृपैः (nṛpaiḥ) - by kings (nṛpa) (by kings, by rulers)

(noun)

Instrumental, masculine, plural of nṛpa

nṛpa - king, ruler, sovereign

from nṛ (man) + √pā (to protect)

Compound type : tatpurusha (nṛ+pa)

• nṛ – man, person
  noun (masculine)
• pa – protector
  adjective (masculine)
  from √pā (to protect)
  Root: pā (class 2)

स्वर्गजिगीषुभिः (svargajigīṣubhiḥ) - by those kings who desire to conquer heaven (svarga) (by those desirous of conquering heaven)

(adjective)

Instrumental, masculine, plural of svargajigīṣu

svargajigīṣu - desirous of conquering heaven

desiderative agent

compound of svarga + jigīṣu (desiderative of √ji 'to conquer')

Compound type : tatpurusha (svarga+jigīṣu)

• svarga – heaven, paradise
  noun (masculine)
• jigīṣu – desirous of victory, wishing to conquer
  adjective (masculine)
  desiderative agent
  desiderative form of √ji (1st class) + u suffix
  Root: ji (class 1)