महाभारतः mahābhārataḥ - book-3, chapter-261, verse-12

नियन्तारमसाधूनां गोप्तारं धर्मचारिणाम् ।
धृतिमन्तमनाधृष्यं जेतारमपराजितम् ॥१२॥

12. niyantāramasādhūnāṁ goptāraṁ dharmacāriṇām ,
dhṛtimantamanādhṛṣyaṁ jetāramaparājitam.

12. niyantāram asādhūnām goptāram dharmacāriṇām
dhṛtimantam anādhṛṣyam jetāram aparājitam

12. Him who was a controller of the wicked and a protector of those who followed natural law (dharma); him who was resolute, unassailable, a conqueror, and unconquered.

Words meanings summery:

• नियन्तारम् (niyantāram) - controller, regulator, charioteer

• असाधूनाम् (asādhūnām) - of the wicked, of the unrighteous

• गोप्तारम् (goptāram) - protector, guardian

• धर्मचारिणाम् (dharmacāriṇām) - of those who followed natural law (dharma) (of those who follow dharma/righteousness, of the righteous)

• धृतिमन्तम् (dhṛtimantam) - courageous, resolute, patient, firm

• अनाधृष्यम् (anādhṛṣyam) - invincible, unassailable, unconquerable

• जेतारम् (jetāram) - conqueror, victor

• अपराजितम् (aparājitam) - unconquered, undefeated

Words meanings and morphology

नियन्तारम् (niyantāram) - controller, regulator, charioteer

(noun)

Accusative, masculine, singular of niyantṛ

niyantṛ - controller, regulator, charioteer

Agent noun

From root 'yam' (to restrain) with prefix 'ni', and agent suffix 'tṛ'.

Prefix: ni

Root: yam (class 1)

असाधूनाम् (asādhūnām) - of the wicked, of the unrighteous

(adjective)

Genitive, masculine, plural of asādhu

asādhu - wicked, bad, unrighteous, evil person

Compound type : nañ-tatpuruṣa (na+sādhu)

• na – not
  indeclinable
• sādhu – good, righteous, holy, virtuous
  adjective
  Root: sādh (class 5)

Note: Used as a noun here.

गोप्तारम् (goptāram) - protector, guardian

(noun)

Accusative, masculine, singular of goptṛ

goptṛ - protector, guardian

Agent noun

From root 'gup' (to protect) with agent suffix 'tṛ'.

Root: gup (class 1)

धर्मचारिणाम् (dharmacāriṇām) - of those who followed natural law (dharma) (of those who follow dharma/righteousness, of the righteous)

(adjective)

Genitive, masculine, plural of dharmacārin

dharmacārin - follower of dharma, righteous, virtuous

Agent noun/adjective

From 'dharma' + root 'car' (to move, practice) + agent suffix '-in'.

Compound type : tatpuruṣa (dharma+cārin)

• dharma – natural law, constitution, intrinsic nature, duty, righteousness
  noun (masculine)
  Root: dhṛ (class 1)
• cārin – walking, acting, practicing, follower
  adjective (masculine)
  Agent noun/adjective
  From root 'car' (to move, practice) with suffix '-in'.
  Root: car (class 1)

Note: Used as a noun here.

धृतिमन्तम् (dhṛtimantam) - courageous, resolute, patient, firm

(adjective)

Accusative, masculine, singular of dhṛtimant

dhṛtimant - courageous, resolute, patient, firm, possessed of fortitude

Possessive suffix 'matup' (mant) added to 'dhṛti'.

अनाधृष्यम् (anādhṛṣyam) - invincible, unassailable, unconquerable

(adjective)

Accusative, masculine, singular of anādhṛṣya

anādhṛṣya - invincible, unassailable, unconquerable

Gerundive / Future Passive Participle

From root 'dhṛṣ' (to dare) with prefix 'ā' and suffix '-ya' and negative 'an'. Means 'not to be assailed'.

Compound type : nañ-tatpuruṣa (na+ādhṛṣya)

• na – not
  indeclinable
• ādhṛṣya – assailable, to be attacked
  adjective
  Gerundive / Future Passive Particable
  From root 'dhṛṣ' (to dare) with prefix 'ā' and suffix '-ya'.
  Prefix: ā
  Root: dhṛṣ (class 5)

जेतारम् (jetāram) - conqueror, victor

(noun)

Accusative, masculine, singular of jetṛ

jetṛ - conqueror, victor

Agent noun

From root 'ji' (to conquer) with agent suffix 'tṛ'.

Root: ji (class 1)

अपराजितम् (aparājitam) - unconquered, undefeated

(adjective)

Accusative, masculine, singular of aparājita

aparājita - unconquered, undefeated

Past Passive Participle

From root 'ji' (to conquer) with prefixes 'parā' and negative 'a'.

Compound type : nañ-tatpuruṣa (na+parājita)

• na – not
  indeclinable
• parājita – conquered, defeated
  adjective
  Past Passive Participle
  Derived from root 'ji' (to conquer) with prefix 'parā'.
  Prefix: parā
  Root: ji (class 1)