महाभारतः mahābhārataḥ - book-12, chapter-293, verse-18

प्रमाणं यच्च वेदोक्तं शास्त्रोक्तं यच्च पठ्यते ।
वेदशास्त्रप्रमाणं च प्रमाणं तत्सनातनम् ॥१८॥

18. pramāṇaṁ yacca vedoktaṁ śāstroktaṁ yacca paṭhyate ,
vedaśāstrapramāṇaṁ ca pramāṇaṁ tatsanātanam.

18. pramāṇam yat ca vedoktam śāstroktaṃ yat ca paṭhyate
vedaśāstrapramāṇam ca pramāṇam tat sanātanam

18. yat ca vedoktam pramāṇam yat ca śāstroktaṃ paṭhyate
vedaśāstrapramāṇam ca tat sanātanam pramāṇam

18. Whatever is declared in the Veda and whatever is taught in the sacred treatises (śāstra) serves as authoritative evidence. And that authoritative evidence provided by the Veda and (śāstra) is indeed the eternal standard.

Words meanings summery:

• प्रमाणम् (pramāṇam) - authoritative evidence, standard, proof

• यत् (yat) - whatever, which

• च (ca) - and, also

• वेदोक्तम् (vedoktam) - declared by the Veda, Vedic statement

• शास्त्रोक्तं (śāstroktaṁ) - declared by the śāstra, scriptural statement

• यत् (yat) - whatever, which

• च (ca) - and, also

• पठ्यते (paṭhyate) - is taught, is read, is recited

• वेदशास्त्रप्रमाणम् (vedaśāstrapramāṇam) - the authoritative evidence of Veda and śāstra

• च (ca) - and, also

• प्रमाणम् (pramāṇam) - authoritative evidence, standard, proof

• तत् (tat) - that (evidence) (that, it)

• सनातनम् (sanātanam) - eternal, everlasting, ancient

Words meanings and morphology

प्रमाणम् (pramāṇam) - authoritative evidence, standard, proof

(noun)

Nominative, neuter, singular of pramāṇa

pramāṇa - authority, proof, standard, measure, right cognition

Derived from root mā with prefix pra, meaning 'to measure correctly' or 'to prove'.

Prefix: pra

Root: mā (class 3)

यत् (yat) - whatever, which

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, who

च (ca) - and, also

(indeclinable)

वेदोक्तम् (vedoktam) - declared by the Veda, Vedic statement

(adjective)

Nominative, neuter, singular of vedokta

vedokta - spoken by the Veda, declared in the Veda

Compound type : tatpuruṣa (veda+ukta)

• veda – Veda, sacred knowledge
  noun (masculine)
  Root: vid (class 2)
• ukta – spoken, said, declared
  adjective (neuter)
  Past Passive Participle
  Past passive participle of root vac.
  Root: vac (class 2)

शास्त्रोक्तं (śāstroktaṁ) - declared by the śāstra, scriptural statement

(adjective)

Nominative, neuter, singular of śāstrokta

śāstrokta - spoken by the śāstra, declared in scripture

Compound type : tatpuruṣa (śāstra+ukta)

• śāstra – sacred treatise, scripture, rule, science
  noun (neuter)
  Root: śās (class 2)
• ukta – spoken, said, declared
  adjective (neuter)
  Past Passive Participle
  Past passive participle of root vac.
  Root: vac (class 2)

यत् (yat) - whatever, which

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, who

च (ca) - and, also

(indeclinable)

पठ्यते (paṭhyate) - is taught, is read, is recited

(verb)

3rd person , singular, passive, present indicative (lat) of paṭh

Root: paṭh (class 1)

वेदशास्त्रप्रमाणम् (vedaśāstrapramāṇam) - the authoritative evidence of Veda and śāstra

(noun)

Nominative, neuter, singular of vedaśāstrapramāṇa

vedaśāstrapramāṇa - authoritative evidence from Veda and śāstra

Compound type : tatpuruṣa (vedaśāstra+pramāṇa)

• vedaśāstra – Vedas and sacred texts (śāstra)
  noun (neuter)
• pramāṇa – authority, proof, standard, measure
  noun (neuter)
  Prefix: pra
  Root: mā (class 3)

च (ca) - and, also

(indeclinable)

प्रमाणम् (pramāṇam) - authoritative evidence, standard, proof

(noun)

Nominative, neuter, singular of pramāṇa

pramāṇa - authority, proof, standard, measure, right cognition

Derived from root mā with prefix pra, meaning 'to measure correctly' or 'to prove'.

Prefix: pra

Root: mā (class 3)

तत् (tat) - that (evidence) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it, she, he

सनातनम् (sanātanam) - eternal, everlasting, ancient

(adjective)

Nominative, neuter, singular of sanātana

sanātana - eternal, perpetual, ancient, primeval