महाभारतः mahābhārataḥ - book-5, chapter-67, verse-20

एतज्ज्ञानं विदुर्विप्रा ध्रुवमिन्द्रियधारणम् ।
एतज्ज्ञानं च पन्थाश्च येन यान्ति मनीषिणः ॥२०॥

20. etajjñānaṁ vidurviprā dhruvamindriyadhāraṇam ,
etajjñānaṁ ca panthāśca yena yānti manīṣiṇaḥ.

20. etat jñānam viduḥ viprāḥ dhruvam indriyadhāraṇam
| etat jñānam ca panthāḥ ca yena yānti manīṣiṇaḥ

20. The wise (viprāḥ) know this certain knowledge to be the steadfast control of the senses. This knowledge is also the path by which the thoughtful sages (manīṣiṇaḥ) proceed.

Words meanings summery:

• एतत् (etat) - this

• ज्ञानम् (jñānam) - knowledge, understanding

• विदुः (viduḥ) - they know, they understand

• विप्राः (viprāḥ) - the Brahmins, the wise ones

• ध्रुवम् (dhruvam) - firm, certain, steadfast; certainly, surely

• इन्द्रियधारणम् (indriyadhāraṇam) - control of the senses, restraint of the senses

• एतत् (etat) - this

• ज्ञानम् (jñānam) - knowledge, understanding

• च (ca) - and, also

• पन्थाः (panthāḥ) - path, road, way

• च (ca) - and, also

• येन (yena) - by means of this (path) (by which, by whom)

• यान्ति (yānti) - they go, they proceed, they walk

• मनीषिणः (manīṣiṇaḥ) - the thoughtful ones, the wise, the sages

Words meanings and morphology

एतत् (etat) - this

(pronoun)

Nominative, neuter, singular of etas

etas - this, that

ज्ञानम् (jñānam) - knowledge, understanding

(noun)

Nominative, neuter, singular of jñāna

jñāna - knowledge, wisdom, understanding

from root jñā (to know)

Root: jñā (class 9)

विदुः (viduḥ) - they know, they understand

(verb)

3rd person , plural, active, present (laṭ) of vid

Present Active

Root: vid (class 2)

विप्राः (viprāḥ) - the Brahmins, the wise ones

(noun)

Nominative, masculine, plural of vipra

vipra - Brahmin, sage, wise person, inspired

ध्रुवम् (dhruvam) - firm, certain, steadfast; certainly, surely

(adjective)

Nominative, neuter, singular of dhruva

dhruva - firm, constant, fixed, certain, steadfast

Note: Functions adverbially or as a predicate adjective

इन्द्रियधारणम् (indriyadhāraṇam) - control of the senses, restraint of the senses

(noun)

Nominative, neuter, singular of indriyadhāraṇa

indriyadhāraṇa - control of the senses, restraint of the sense organs

tatpuruṣa compound

Compound type : tatpuruṣa (indriya+dhāraṇa)

• indriya – sense organ, faculty of sense
  noun (neuter)
• dhāraṇa – holding, supporting, retaining, controlling
  noun (neuter)
  from root dhṛ (to hold)
  Root: dhṛ (class 1)

एतत् (etat) - this

(pronoun)

Nominative, neuter, singular of etas

etas - this, that

ज्ञानम् (jñānam) - knowledge, understanding

(noun)

Nominative, neuter, singular of jñāna

jñāna - knowledge, wisdom, understanding

Root: jñā (class 9)

च (ca) - and, also

(indeclinable)

पन्थाः (panthāḥ) - path, road, way

(noun)

Nominative, masculine, singular of path

path - path, road, way

च (ca) - and, also

(indeclinable)

येन (yena) - by means of this (path) (by which, by whom)

(pronoun)

Instrumental, masculine, singular of yad

yad - which, what, who

यान्ति (yānti) - they go, they proceed, they walk

(verb)

3rd person , plural, active, present (laṭ) of yā

Present Active

Root: yā (class 2)

मनीषिणः (manīṣiṇaḥ) - the thoughtful ones, the wise, the sages

(noun)

Nominative, masculine, plural of manīṣin

manīṣin - wise, thoughtful, intelligent, sage