महाभारतः mahābhārataḥ - book-12, chapter-294, verse-30

एतावदेव तत्त्वानां सांख्यमाहुर्मनीषिणः ।
सांख्ये विधिविधानज्ञा नित्यं सांख्यपथे रताः ॥३०॥

30. etāvadeva tattvānāṁ sāṁkhyamāhurmanīṣiṇaḥ ,
sāṁkhye vidhividhānajñā nityaṁ sāṁkhyapathe ratāḥ.

30. etāvat eva tattvānām sāṅkhyam āhuḥ manīṣiṇaḥ
sāṅkhye vidhividhānajñāḥ nityam sāṅkhyapathe ratāḥ

30. manīṣiṇaḥ etāvat eva tattvānām sāṅkhyam āhuḥ
sāṅkhye vidhividhānajñāḥ nityam sāṅkhyapathe ratāḥ

30. This much is declared by the wise (manīṣiṇaḥ) to be the totality of principles (tattva) according to Saṃkhya. Those who know the rules and injunctions in Saṃkhya are always engaged in the path of Saṃkhya.

Words meanings summery:

• एतावत् (etāvat) - this much, this totality (this much, so much, this extent)

• एव (eva) - emphasizes the totality, 'only this much' (indeed, only, just, exactly)

• तत्त्वानाम् (tattvānām) - of the fundamental principles (tattva) of existence (of the principles, of the realities, of the categories)

• साङ्ख्यम् (sāṅkhyam) - the Saṃkhya philosophical system (Saṃkhya system, enumeration, calculation)

• आहुः (āhuḥ) - declare (they say, they declare)

• मनीषिणः (manīṣiṇaḥ) - the wise scholars (the wise, intelligent, thoughtful ones)

• साङ्ख्ये (sāṅkhye) - in the Saṃkhya (philosophy) (in Saṃkhya, in enumeration)

• विधिविधानज्ञाः (vidhividhānajñāḥ) - knowers of rules and procedures

• नित्यम् (nityam) - always (constantly, always, perpetually)

• साङ्ख्यपथे (sāṅkhyapathe) - on the path of Saṃkhya, in the Saṃkhya doctrine

• रताः (ratāḥ) - devoted, engaged (engaged, devoted, attached)

Words meanings and morphology

एतावत् (etāvat) - this much, this totality (this much, so much, this extent)

(adjective)

Nominative, neuter, singular of etāvat

etāvat - so much, this much, so great, of this size

एव (eva) - emphasizes the totality, 'only this much' (indeed, only, just, exactly)

(indeclinable)

तत्त्वानाम् (tattvānām) - of the fundamental principles (tattva) of existence (of the principles, of the realities, of the categories)

(noun)

Genitive, neuter, plural of tattva

tattva - truth, reality, principle, category, element

from tad + tva

साङ्ख्यम् (sāṅkhyam) - the Saṃkhya philosophical system (Saṃkhya system, enumeration, calculation)

(noun)

Nominative, neuter, singular of sāṅkhya

sāṅkhya - relating to number or enumeration, rational, Saṃkhya philosophy

from saṃkhyā (number, enumeration)

Note: can be nominative singular neuter, or accusative singular masculine/neuter

आहुः (āhuḥ) - declare (they say, they declare)

(verb)

3rd person , plural, active, present perfect (used as present) (lit) of vac

present active, irregular formation

root vac, 2nd conjugation, but āhuḥ is an irregular perfect tense form (reduplicated perfect, 3rd plural) used as present

Root: vac (class 2)

Note: The form 'āhuḥ' is a perfect tense form of √brū/√vac, but is commonly used in classical Sanskrit with a present meaning ('they say').

मनीषिणः (manīṣiṇaḥ) - the wise scholars (the wise, intelligent, thoughtful ones)

(noun)

Nominative, masculine, plural of manīṣin

manīṣin - wise, intelligent, thoughtful; a sage, a wise person

from manīṣā (wisdom, intelligence)

साङ्ख्ये (sāṅkhye) - in the Saṃkhya (philosophy) (in Saṃkhya, in enumeration)

(noun)

Locative, neuter, singular of sāṅkhya

sāṅkhya - relating to number or enumeration, rational, Saṃkhya philosophy

from saṃkhyā (number, enumeration)

विधिविधानज्ञाः (vidhividhānajñāḥ) - knowers of rules and procedures

(adjective)

Nominative, masculine, plural of vidhividhānajña

vidhividhānajña - knower of rules and ordinances, skilled in injunctions

Compound type : tatpuruṣa (vidhi+vidhāna+jña)

• vidhi – rule, injunction, ordinance, method
  noun (masculine)
  from vi- √dhā
  Prefix: vi
  Root: dhā (class 3)
• vidhāna – arrangement, ordinance, procedure, performance
  noun (neuter)
  from vi- √dhā
  Prefix: vi
  Root: dhā (class 3)
• jña – knowing, acquainted with, a knower
  adjective (masculine)
  from √jñā (to know)
  Root: jñā (class 9)

नित्यम् (nityam) - always (constantly, always, perpetually)

(indeclinable)

साङ्ख्यपथे (sāṅkhyapathe) - on the path of Saṃkhya, in the Saṃkhya doctrine

(noun)

Locative, masculine, singular of sāṅkhyapatha

sāṅkhyapatha - the path or doctrine of Saṃkhya

Compound type : tatpuruṣa (sāṅkhya+patha)

• sāṅkhya – relating to Saṃkhya, Saṃkhya philosophy
  noun (neuter)
• patha – path, road, way, doctrine
  noun (masculine)

रताः (ratāḥ) - devoted, engaged (engaged, devoted, attached)

(adjective)

Nominative, masculine, plural of rata

rata - engaged in, devoted to, attached to, pleased with

Past Passive Participle

from √ram (to delight, rest)

Root: ram (class 1)

Note: Often appears with locative case or in compound indicating the object of devotion.