महाभारतः mahābhārataḥ - book-12, chapter-236, verse-19

तात प्रत्यक्षधर्माणस्तथा यायावरा गणाः ।
ऋषीणामुग्रतपसां धर्मनैपुणदर्शिनाम् ॥१९॥

19. tāta pratyakṣadharmāṇastathā yāyāvarā gaṇāḥ ,
ṛṣīṇāmugratapasāṁ dharmanaipuṇadarśinām.

19. tāta pratyakṣadharmāṇaḥ tathā yāyāvarāḥ
gaṇāḥ ṛṣīṇām ugratapasām dharmanaiuṇadarśinām

19. tāta tathā yāyāvarāḥ gaṇāḥ pratyakṣadharmāṇaḥ
ugratapasām dharmanaiuṇadarśinām ṛṣīṇām

19. O father, there were also groups (gaṇāḥ) of wandering ascetics (yāyāvarāḥ) whose intrinsic nature (dharma) was directly manifest. These were among the sages (ṛṣīṇām) of severe asceticism (tapas) who discerned skill in the natural law (dharma).

Words meanings summery:

• तात (tāta) - O father (addressing a superior or elder) (O father, dear one, my child)

• प्रत्यक्षधर्माणः (pratyakṣadharmāṇaḥ) - Refers to ascetics whose spiritual nature is evident (whose intrinsic nature (dharma) is manifest; having manifest dharma)

• तथा (tathā) - also, thus, similarly

• यायावराः (yāyāvarāḥ) - A class of ascetics who constantly wander (wandering ascetics, vagrants)

• गणाः (gaṇāḥ) - Collectives of wandering ascetics (groups, multitudes, hosts)

• ऋषीणाम् (ṛṣīṇām) - Referring to the ancient, revered sages (of the sages)

• उग्रतपसाम् (ugratapasām) - Describes the sages as having performed intense ascetic practices (of severe asceticism (tapas); those performing severe asceticism)

• धर्मनैउणदर्शिनाम् (dharmanaiuṇadarśinām) - Describes the sages as having insight into the intricacies of dharma (who perceive skill in natural law (dharma))

Words meanings and morphology

तात (tāta) - O father (addressing a superior or elder) (O father, dear one, my child)

(noun)

Vocative, masculine, singular of tāta

tāta - father; any venerable person; dear one (term of endearment)

प्रत्यक्षधर्माणः (pratyakṣadharmāṇaḥ) - Refers to ascetics whose spiritual nature is evident (whose intrinsic nature (dharma) is manifest; having manifest dharma)

(adjective)

Nominative, masculine, plural of pratyakṣadharman

pratyakṣadharman - one whose intrinsic nature (dharma) is manifest or perceptible; one whose duties are clear

Compound type : bahuvrīhi (pratyakṣa+dharman)

• pratyakṣa – perceptible, direct, visible, before the eyes
  adjective (neuter)
• dharman – natural law, intrinsic nature, duty, righteousness, constitution
  noun (masculine)
  Root: dhṛ (class 1)

तथा (tathā) - also, thus, similarly

(indeclinable)

यायावराः (yāyāvarāḥ) - A class of ascetics who constantly wander (wandering ascetics, vagrants)

(noun)

Nominative, masculine, plural of yāyāvara

yāyāvara - a wanderer, a vagrant, a wandering mendicant or ascetic

Intensive derivative

Intensive (yaṅluganta) of root √yā (to go)

Root: yā (class 2)

गणाः (gaṇāḥ) - Collectives of wandering ascetics (groups, multitudes, hosts)

(noun)

Nominative, masculine, plural of gaṇa

gaṇa - a troop, crowd, multitude, flock, group

ऋषीणाम् (ṛṣīṇām) - Referring to the ancient, revered sages (of the sages)

(noun)

Genitive, masculine, plural of ṛṣi

ṛṣi - a sage, seer, inspired poet, ascetic

उग्रतपसाम् (ugratapasām) - Describes the sages as having performed intense ascetic practices (of severe asceticism (tapas); those performing severe asceticism)

(adjective)

Genitive, masculine, plural of ugratapas

ugratapas - possessing severe asceticism; of fierce penance (tapas)

Compound type : bahuvrīhi (ugra+tapas)

• ugra – fierce, terrible, powerful, severe
  adjective (masculine)
• tapas – asceticism, penance, heat, spiritual fervor
  noun (neuter)
  Root: tap (class 1)

धर्मनैउणदर्शिनाम् (dharmanaiuṇadarśinām) - Describes the sages as having insight into the intricacies of dharma (who perceive skill in natural law (dharma))

(adjective)

Genitive, masculine, plural of dharmanaiuṇadarśin

dharmanaiuṇadarśin - one who sees or discerns skill/proficiency in natural law (dharma)

Compound type : tatpuruṣa (dharma+naiuṇa+darśin)

• dharma – natural law, intrinsic nature, duty, righteousness, constitution
  noun (masculine)
  Root: dhṛ (class 1)
• naiuṇa – skill, proficiency, expertness, cleverness
  noun (neuter)
• darśin – seeing, knowing, showing, teaching; one who sees/perceives
  adjective (masculine)
  Agent noun
  Derived from root √dṛś (to see)
  Root: dṛś (class 1)