महाभारतः mahābhārataḥ - book-14, chapter-35, verse-13

भूतभव्यभविष्यादिधर्मकामार्थनिश्चयम् ।
सिद्धसंघपरिज्ञातं पुराकल्पं सनातनम् ॥१३॥

13. bhūtabhavyabhaviṣyādidharmakāmārthaniścayam ,
siddhasaṁghaparijñātaṁ purākalpaṁ sanātanam.

13. bhūtabhavyabhaviṣyādidharmakāmārthaniścayam
siddhasaṅghaparijñātam purākalpam sanātanam

13. bhūtabhavyabhaviṣyādidharmakāmārthaniścayam
siddhasaṅghaparijñātam purākalpam sanātanam

13. The ancient, eternal tradition (purākalpam), which ascertains the constitution (dharma), legitimate desires, and prosperity for the past, present, and future, and which is fully known by the assemblies of perfected beings (siddhas).

Words meanings summery:

• भूतभव्यभविष्यादिधर्मकामार्थनिश्चयम् (bhūtabhavyabhaviṣyādidharmakāmārthaniścayam) - determination of natural law, desire, and prosperity related to past, present, future, and so on

• सिद्धसङ्घपरिज्ञातम् (siddhasaṅghaparijñātam) - fully known by the assemblies of perfected beings

• पुराकल्पम् (purākalpam) - ancient teaching or tradition (ancient tradition, ancient teaching, ancient eon)

• सनातनम् (sanātanam) - eternal, everlasting (eternal, everlasting, ancient)

Words meanings and morphology

भूतभव्यभविष्यादिधर्मकामार्थनिश्चयम् (bhūtabhavyabhaviṣyādidharmakāmārthaniścayam) - determination of natural law, desire, and prosperity related to past, present, future, and so on

(noun)

Accusative, neuter, singular of bhūtabhavyabhaviṣyādidharmakāmārthaniścaya

bhūtabhavyabhaviṣyādidharmakāmārthaniścaya - determination regarding the past, present, future, etc., natural law, desire, and prosperity

Compound type : tatpuruṣa (bhūtabhavyabhaviṣyādi+dharma+kāma+artha+niścaya)

• bhūtabhavyabhaviṣyādi – past, present, future, and so on
  noun (masculine)
• dharma – constitution, natural law, duty, righteousness
  noun (masculine)
  Root: dhṛ (class 1)
• kāma – desire, wish, love
  noun (masculine)
  Root: kam (class 1)
• artha – purpose, meaning, wealth, prosperity, object
  noun (masculine)
  Root: ṛ
• niścaya – certainty, determination, ascertainment
  noun (masculine)
  derived from ni-√ci (to observe, ascertain)
  Prefix: nis
  Root: ci (class 5)

Note: This entire compound functions as an adjective in the accusative neuter singular, describing 'padam' from the next verse.

सिद्धसङ्घपरिज्ञातम् (siddhasaṅghaparijñātam) - fully known by the assemblies of perfected beings

(adjective)

Accusative, neuter, singular of siddhasaṅghaparijñāta

siddhasaṅghaparijñāta - fully known by groups of perfected beings

Past Passive Participle

from pari-jñā (to know fully) with 'siddhasaṅgha' as an instrumental agent.

Compound type : tatpuruṣa (siddhasaṅgha+parijñāta)

• siddhasaṅgha – assembly of perfected beings
  noun (masculine)
• parijñāta – fully known, well-understood
  adjective
  Past Passive Particluple
  from `pari` (prefix) + `jñā` (root)
  Prefix: pari
  Root: jñā (class 9)

Note: Functions as an adjective describing 'padam'.

पुराकल्पम् (purākalpam) - ancient teaching or tradition (ancient tradition, ancient teaching, ancient eon)

(noun)

Accusative, neuter, singular of purākalpa

purākalpa - ancient eon, ancient tradition, ancient teaching

compound of `purā` (ancient, formerly) and `kalpa` (eon, rule, tradition).

Compound type : tatpuruṣa (purā+kalpa)

• purā – formerly, anciently, in olden times
  indeclinable
• kalpa – eon, age, rule, tradition, ritual
  noun (masculine)
  from `kḷp` (to be formed, to be arranged)
  Root: kḷp (class 1)

Note: Functions as an adjective describing 'padam'.

सनातनम् (sanātanam) - eternal, everlasting (eternal, everlasting, ancient)

(adjective)

Accusative, neuter, singular of sanātana

sanātana - eternal, everlasting, ancient, primeval

from `sanā` (always)

Note: Functions as an adjective describing 'padam'.