महाभारतः mahābhārataḥ - book-12, chapter-238, verse-13

रहस्यं सर्ववेदानामनैतिह्यमनागमम् ।
आत्मप्रत्ययिकं शास्त्रमिदं पुत्रानुशासनम् ॥१३॥

13. rahasyaṁ sarvavedānāmanaitihyamanāgamam ,
ātmapratyayikaṁ śāstramidaṁ putrānuśāsanam.

13. rahasyam sarvavedānām anaitihyam anāgamam
ātma-pratyayikam śāstram idam putrānusāśanam

13. idam putrānusāśanam śāstram sarvavedānām
rahasyam anaitihyam anāgamam ātma-pratyayikam

13. This instruction for sons is a scripture that is the secret of all Vedas, not based on tradition, not based on revealed texts, but relying on one's own conviction about the self (ātman).

Words meanings summery:

• रहस्यम् (rahasyam) - secret, mystery, profound truth

• सर्ववेदानाम् (sarvavedānām) - of all Vedas

• अनैतिह्यम् (anaitihyam) - not based on tradition or legend

• अनागमम् (anāgamam) - not based on revealed texts or authoritative scripture

• आत्म-प्रत्ययिकम् (ātma-pratyayikam) - based on one's own conviction about the self, self-reliant in knowledge of the self

• शास्त्रम् (śāstram) - scripture, teaching, treatise, discipline

• इदम् (idam) - this

• पुत्रानुसाशनम् (putrānusāśanam) - instruction for sons

Words meanings and morphology

रहस्यम् (rahasyam) - secret, mystery, profound truth

(noun)

Nominative, neuter, singular of rahasya

rahasya - secret, mystery, profound truth; solitary place

Note: Predicate nominative for 'śāstram'

सर्ववेदानाम् (sarvavedānām) - of all Vedas

(noun)

Genitive, masculine, plural of sarvaveda

sarvaveda - all Vedas

Compound type : tatpuruṣa (sarva+veda)

• sarva – all, every
  adjective (masculine)
• veda – Veda, sacred knowledge
  noun (masculine)
  Root: vid (class 2)

Note: Possessive of 'rahasyam'

अनैतिह्यम् (anaitihyam) - not based on tradition or legend

(adjective)

Nominative, neuter, singular of anaitihya

anaitihya - not based on tradition, not traditional, not legendary

Negation of 'itihya' (tradition)

Compound type : nañ-tatpuruṣa (a+itihya)

• a – not, non-
  indeclinable
• itihya – tradition, legend, history
  noun (neuter)

Note: Adjective modifying 'śāstram'

अनागमम् (anāgamam) - not based on revealed texts or authoritative scripture

(adjective)

Nominative, neuter, singular of anāgama

anāgama - not based on revealed texts, not traditional, not having 'āgama'

Negation of 'āgama' (tradition, scripture)

Compound type : nañ-tatpuruṣa (a+āgama)

• a – not, non-
  indeclinable
• āgama – tradition, revealed text, scripture
  noun (masculine)
  Prefix: ā
  Root: gam (class 1)

Note: Adjective modifying 'śāstram'

आत्म-प्रत्ययिकम् (ātma-pratyayikam) - based on one's own conviction about the self, self-reliant in knowledge of the self

(adjective)

Nominative, neuter, singular of ātma-pratyayika

ātma-pratyayika - self-verified, based on one's own conviction, concerning the conviction of the self

Derived from 'ātma-pratyaya'

Compound type : tatpuruṣa (ātman+pratyaya)

• ātman – self, soul, spirit
  noun (masculine)
• pratyaya – conviction, belief, trust, notion, idea
  noun (masculine)
  Prefixes: prati+ā
  Root: i (class 2)

Note: Adjective modifying 'śāstram'

शास्त्रम् (śāstram) - scripture, teaching, treatise, discipline

(noun)

Nominative, neuter, singular of śāstra

śāstra - scripture, teaching, sacred text, treatise, discipline

Root: śās (class 2)

Note: Subject of the implied verb 'is'

इदम् (idam) - this

(pronoun)

Nominative, neuter, singular of idam

idam - this, this here

Note: Refers to 'putrānusāśanam'/'śāstram'

पुत्रानुसाशनम् (putrānusāśanam) - instruction for sons

(noun)

Nominative, neuter, singular of putrānusāśana

putrānusāśana - instruction for sons, discipline for children

Compound type : tatpuruṣa (putra+anuśāsana)

• putra – son, child
  noun (masculine)
• anuśāsana – instruction, teaching, discipline
  noun (neuter)
  From root 'śās' with prefix 'anu'
  Prefix: anu
  Root: śās (class 2)

Note: Predicate nominative for 'śāstram'