महाभारतः mahābhārataḥ - book-3, chapter-183, verse-18

ततः परमधर्मात्मा काश्यपः सर्वधर्मवित् ।
विवादिनावनुप्राप्तौ तावुभौ प्रत्यवेदयत् ॥१८॥

18. tataḥ paramadharmātmā kāśyapaḥ sarvadharmavit ,
vivādināvanuprāptau tāvubhau pratyavedayat.

18. tataḥ paramadharmātmā kāśyapaḥ sarvadharmavit
vivādinau anuprāptau tau ubhau pratyavedayat

18. Then, Kāśyapa, whose nature (dharma) was supremely righteous and who knew all aspects of natural law (dharma), made known the arrival of those two disputants.

Words meanings summery:

• ततः (tataḥ) - then (then, thence, afterwards)

• परमधर्मात्मा (paramadharmātmā) - whose nature (dharma) was supremely righteous (whose soul/nature is supremely righteous)

• काश्यपः (kāśyapaḥ) - The sage Kāśyapa (Kāśyapa)

• सर्वधर्मवित् (sarvadharmavit) - who knew all aspects of natural law (dharma) (knower of all natural law (dharma))

• विवादिनौ (vivādinau) - those two disputants (disputants, those who are arguing (dual))

• अनुप्राप्तौ (anuprāptau) - who had arrived (arrived, reached, obtained (dual))

• तौ (tau) - those two (disputants) (those two)

• उभौ (ubhau) - both (of them) (both)

• प्रत्यवेदयत् (pratyavedayat) - he made known (he made known, he informed)

Words meanings and morphology

ततः (tataḥ) - then (then, thence, afterwards)

(indeclinable)

Note: Adverb.

परमधर्मात्मा (paramadharmātmā) - whose nature (dharma) was supremely righteous (whose soul/nature is supremely righteous)

(adjective)

Nominative, masculine, singular of paramadharmātman

paramadharmātman - one whose soul is supremely righteous, of supremely righteous nature

Compound type : bahuvrīhi (parama+dharma+ātman)

• parama – supreme, highest, excellent
  adjective (masculine)
• dharma – constitution, natural law, intrinsic nature, righteousness, duty
  noun (masculine)
  Root: dhṛ (class 1)
• ātman – self, soul, spirit, nature, essence
  noun (masculine)

Note: Bahuvrīhi compound.

काश्यपः (kāśyapaḥ) - The sage Kāśyapa (Kāśyapa)

(proper noun)

Nominative, masculine, singular of kāśyapa

kāśyapa - Kāśyapa (name of an ancient sage)

सर्वधर्मवित् (sarvadharmavit) - who knew all aspects of natural law (dharma) (knower of all natural law (dharma))

(adjective)

Nominative, masculine, singular of sarvadharmavid

sarvadharmavid - knower of all duties/laws/righteousness

Compound type : tatpuruṣa (sarva+dharma+vid)

• sarva – all, every
  adjective (masculine)
• dharma – constitution, natural law, intrinsic nature, righteousness, duty
  noun (masculine)
  Root: dhṛ (class 1)
• vid – knowing, one who knows
  noun (masculine)
  Agent noun from root vid
  Root: vid (class 2)

Note: Tatpuruṣa compound. 'vit' is the nominative form of 'vid' in sandhi.

विवादिनौ (vivādinau) - those two disputants (disputants, those who are arguing (dual))

(noun)

Accusative, masculine, dual of vivādin

vivādin - disputant, arguer

Agent noun from vi-vad

Prefix: vi

Root: vad (class 1)

Note: Masculine dual accusative of vivādin.

अनुप्राप्तौ (anuprāptau) - who had arrived (arrived, reached, obtained (dual))

(participle)

Accusative, masculine, dual of anuprāpta

anuprāpta - arrived, reached, obtained

Past passive participle

Root āp (to obtain) with prefixes anu and pra

Prefixes: anu+pra

Root: āp (class 5)

Note: Past passive participle of anu-pra-āp.

तौ (tau) - those two (disputants) (those two)

(pronoun)

Accusative, masculine, dual of tad

tad - that

Note: Masculine dual accusative of tad.

उभौ (ubhau) - both (of them) (both)

(pronoun)

Accusative, masculine, dual of ubha

ubha - both

Note: Masculine dual accusative of ubha.

प्रत्यवेदयत् (pratyavedayat) - he made known (he made known, he informed)

(verb)

3rd person , singular, active, past imperfect (laṅ) of prati-vid

Imperfect active third singular (causative)

Causative of root vid (to know) with prefix prati, imperfect tense, third person singular, active voice

Prefix: prati

Root: vid

Note: Imperfect, causative of prati-vid.