महाभारतः mahābhārataḥ - book-12, chapter-295, verse-12

अनादिनिधनावेतावुभावेवेश्वरौ मतौ ।
तत्त्वसंज्ञावुभावेतौ प्रोच्येते ज्ञानचिन्तकैः ॥१२॥

12. anādinidhanāvetāvubhāveveśvarau matau ,
tattvasaṁjñāvubhāvetau procyete jñānacintakaiḥ.

12. anādinidhanau etau ubhau eva īśvarau matau |
tattvasaṃjñau ubhau etau procyete jñānacintakaiḥ

12. etau ubhau anādinidhanau eva īśvarau matau etau ubhau tattvasaṃjñau jñānacintakaiḥ procyete.

12. These two (entities) are considered to be without beginning or end, and indeed, as supreme controllers (īśvara). These very two are declared by the profound thinkers on knowledge to be the fundamental principles (tattva).

Words meanings summery:

• अनादिनिधनौ (anādinidhanau) - referring to the two fundamental principles (Puruṣa and Prakṛti) as eternal (without beginning or end, eternal)

• एतौ (etau) - referring to the two fundamental principles (these two)

• उभौ (ubhau) - referring to both fundamental principles (both, these two)

• एव (eva) - emphasis, 'indeed' (indeed, only, certainly)

• ईश्वरौ (īśvarau) - fundamental principles that exert control or influence (controllers, lords, masters)

• मतौ (matau) - are considered to be (considered, thought, opined)

• तत्त्वसंज्ञौ (tattvasaṁjñau) - are declared as the fundamental principles (designated as principles, called realities)

• उभौ (ubhau) - referring to both fundamental principles (both, these two)

• एतौ (etau) - referring to the two fundamental principles (these two)

• प्रोच्येते (procyete) - are declared to be (are declared, are spoken of, are called)

• ज्ञानचिन्तकैः (jñānacintakaiḥ) - by profound thinkers on knowledge (by thinkers on knowledge, by ponderers of wisdom)

Words meanings and morphology

अनादिनिधनौ (anādinidhanau) - referring to the two fundamental principles (Puruṣa and Prakṛti) as eternal (without beginning or end, eternal)

(adjective)

Nominative, masculine, dual of anādinidhana

anādinidhana - without beginning or end, eternal

Compound type : bahuvrīhi (a+ādi+nidhana)

• a – not, un-
  indeclinable
  negating prefix
• ādi – beginning, origin
  noun (masculine)
• nidhana – end, destruction, death
  noun (neuter)
  Prefix: ni

Note: masculine nominative dual form of 'anādinidhana'

एतौ (etau) - referring to the two fundamental principles (these two)

(pronoun)

Nominative, masculine, dual of etad

etad - this, these

Note: masculine nominative dual form of 'etad'

उभौ (ubhau) - referring to both fundamental principles (both, these two)

(pronoun)

Nominative, masculine, dual of ubha

ubha - both, two

Note: masculine nominative dual form of 'ubha'

एव (eva) - emphasis, 'indeed' (indeed, only, certainly)

(indeclinable)

ईश्वरौ (īśvarau) - fundamental principles that exert control or influence (controllers, lords, masters)

(noun)

Nominative, masculine, dual of īśvara

īśvara - master, lord, controller, God

From root 'īś' (to rule, to be master of) with suffix 'vara'.

Root: īś (class 2)

Note: masculine nominative dual form of 'īśvara'

मतौ (matau) - are considered to be (considered, thought, opined)

(adjective)

Nominative, masculine, dual of mata

mata - thought, considered, believed, intended, approved

Past Passive Participle

From root 'man' (to think, believe) with suffix 'ta'.

Root: man (class 4)

Note: masculine nominative dual form of 'mata'

तत्त्वसंज्ञौ (tattvasaṁjñau) - are declared as the fundamental principles (designated as principles, called realities)

(adjective)

Nominative, masculine, dual of tattvasaṃjña

tattvasaṁjña - having the designation/name of tattva (principle)

Compound type : bahuvrīhi (tattva+saṃjñā)

• tattva – reality, truth, principle, essence
  noun (neuter)
• saṃjñā – name, designation, appellation
  noun (feminine)
  Prefix: sam
  Root: jñā (class 9)

Note: masculine nominative dual form of 'tattvasaṃjña'

उभौ (ubhau) - referring to both fundamental principles (both, these two)

(pronoun)

Nominative, masculine, dual of ubha

ubha - both, two

Note: masculine nominative dual form of 'ubha'

एतौ (etau) - referring to the two fundamental principles (these two)

(pronoun)

Nominative, masculine, dual of etad

etad - this, these

Note: masculine nominative dual form of 'etad'

प्रोच्येते (procyete) - are declared to be (are declared, are spoken of, are called)

(verb)

3rd person , dual, passive, present (laṭ) of pra-vac

From root 'vac' (to speak) with prefix 'pra'.

Prefix: pra

Root: vac (class 2)

Note: 3rd person dual present passive form of 'pra-vac'

ज्ञानचिन्तकैः (jñānacintakaiḥ) - by profound thinkers on knowledge (by thinkers on knowledge, by ponderers of wisdom)

(noun)

Instrumental, masculine, plural of jñānacintaka

jñānacintaka - one who thinks about knowledge

From 'jñāna' (knowledge) and 'cintaka' (thinker).

Compound type : tatpuruṣa (jñāna+cintaka)

• jñāna – knowledge, wisdom
  noun (neuter)
  From root 'jñā' (to know) with suffix 'ana'.
  Root: jñā (class 9)
• cintaka – thinker, ponderer
  noun (masculine)
  From root 'cint' (to think) with suffix 'aka'.
  Root: cint (class 10)

Note: masculine instrumental plural form of 'jñānacintaka'