महाभारतः mahābhārataḥ - book-7, chapter-166, verse-6

आचार्याणां भवन्त्येव रहस्यानि महात्मनाम् ।
तानि पुत्राय वा दद्युः शिष्यायानुगताय वा ॥६॥

6. ācāryāṇāṁ bhavantyeva rahasyāni mahātmanām ,
tāni putrāya vā dadyuḥ śiṣyāyānugatāya vā.

6. ācāryāṇām bhavanti eva rahasyāni mahātmanām
tāni putrāya vā dadyuḥ śiṣyāya anugatāya vā

6. mahātmanām ācāryāṇām rahasyāni bhavanti eva
tāni putrāya vā anugatāya śiṣyāya vā dadyuḥ

6. Great souls (mahātman) who are teachers (ācārya) certainly possess secrets. They should impart those secrets either to a son or to a devoted disciple.

Words meanings summery:

• आचार्याणाम् (ācāryāṇām) - of teachers, of preceptors

• भवन्ति (bhavanti) - they are, they exist, they become

• एव (eva) - indeed, certainly, only, even

• रहस्यानि (rahasyāni) - secrets, mysteries

• महात्मनाम् (mahātmanām) - of great souls, of magnanimous beings

• तानि (tāni) - those (neuter)

• पुत्राय (putrāya) - to a son

• वा (vā) - or, optionally

• दद्युः (dadyuḥ) - they should give, they would give

• शिष्याय (śiṣyāya) - to a disciple, to a student

• अनुगताय (anugatāya) - to a devoted, to a loyal, to a following (one)

• वा (vā) - or, optionally

Words meanings and morphology

आचार्याणाम् (ācāryāṇām) - of teachers, of preceptors

(noun)

Genitive, masculine, plural of ācārya

ācārya - teacher, preceptor, spiritual guide, instructor

from ā-car (to practice, to follow a rule)

Prefix: ā

Root: car (class 1)

भवन्ति (bhavanti) - they are, they exist, they become

(verb)

3rd person , plural, active, present (laṭ) of bhū

Present Active Indicative

3rd person plural present active

Root: bhū (class 1)

एव (eva) - indeed, certainly, only, even

(indeclinable)

रहस्यानि (rahasyāni) - secrets, mysteries

(noun)

Nominative, neuter, plural of rahasya

rahasya - secret, mystery, private matter

Gerundive

Derived from 'rahas' (solitude, secret) with a suffix indicating 'that which is to be kept secret'

महात्मनाम् (mahātmanām) - of great souls, of magnanimous beings

(noun)

Genitive, masculine, plural of mahātman

mahātman - great-souled, noble, magnanimous, a great being (mahātman)

Compound type : Bahuvrīhi (mahā+ātman)

• mahā – great, large, mighty, extensive
  adjective
• ātman – self, soul, spirit, essential nature (ātman)
  noun (masculine)
  Root: an (class 2)

तानि (tāni) - those (neuter)

(pronoun)

Nominative, neuter, plural of tad

tad - that, those

पुत्राय (putrāya) - to a son

(noun)

Dative, masculine, singular of putra

putra - son, child

वा (vā) - or, optionally

(indeclinable)

दद्युः (dadyuḥ) - they should give, they would give

(verb)

3rd person , plural, active, optative (vidhiliṅ) of dā

Optative Active

3rd person plural optative active

Root: dā (class 3)

शिष्याय (śiṣyāya) - to a disciple, to a student

(noun)

Dative, masculine, singular of śiṣya

śiṣya - disciple, student, pupil

Gerundive

From root śiṣ (to teach, to discipline) + ya suffix; literally 'to be taught'

Root: śiṣ (class 7)

अनुगताय (anugatāya) - to a devoted, to a loyal, to a following (one)

(adjective)

Dative, masculine, singular of anugata

anugata - followed, attended, devoted, loyal, gone after

Past Passive Participle

PPP of root gam with upasarga anu

Prefix: anu

Root: gam (class 1)

वा (vā) - or, optionally

(indeclinable)