महाभारतः mahābhārataḥ - book-12, chapter-288, verse-13

वेदस्योपनिषत्सत्यं सत्यस्योपनिषद्दमः ।
दमस्योपनिषन्मोक्ष एतत्सर्वानुशासनम् ॥१३॥

13. vedasyopaniṣatsatyaṁ satyasyopaniṣaddamaḥ ,
damasyopaniṣanmokṣa etatsarvānuśāsanam.

13. vedasya upaniṣat satyam satyasya upaniṣat damaḥ
| damasya upaniṣat mokṣaḥ etat sarvānuśāsanam

13. vedasya upaniṣat satyam,
satyasya upaniṣat damaḥ,
damasya upaniṣat mokṣaḥ.
etat sarvānuśāsanam.

13. The essence of the Veda is truth (satya). The essence of truth (satya) is self-control. The essence of self-control is liberation (mokṣa). This is the sum of all teachings.

Words meanings summery:

• वेदस्य (vedasya) - of the sacred knowledge (Veda) (of the Veda)

• उपनिषत् (upaniṣat) - essence (secret doctrine, mystical teaching, essence)

• सत्यम् (satyam) - truth (satya) (truth, reality, integrity)

• सत्यस्य (satyasya) - of truth (satya) (of truth, of reality)

• दमः (damaḥ) - self-control (self-control, restraint, subduing)

• दमस्य (damasya) - of self-control (of self-control, of restraint)

• मोक्षः (mokṣaḥ) - liberation (mokṣa) (liberation, release, freedom)

• एतत् (etat) - this (this, that)

• सर्वानुशासनम् (sarvānuśāsanam) - the sum of all teachings (the sum of all teachings, the entire instruction)

Words meanings and morphology

वेदस्य (vedasya) - of the sacred knowledge (Veda) (of the Veda)

(noun)

Genitive, masculine, singular of veda

veda - knowledge, sacred knowledge, the Vedas

From root vid (to know).

Root: vid (class 2)

उपनिषत् (upaniṣat) - essence (secret doctrine, mystical teaching, essence)

(noun)

Nominative, feminine, singular of upaniṣad

upaniṣad - a session (of pupils), esoteric doctrine, secret teaching, mystical meaning, essence

From upa-ni-sad (to sit near, to sit down devotedly).

Prefixes: upa+ni

Root: sad (class 1)

सत्यम् (satyam) - truth (satya) (truth, reality, integrity)

(noun)

Nominative, neuter, singular of satya

satya - truth, reality; true, real

From sat (being) + ya (abstract suffix).

Root: as (class 2)

Note: Predicate nominative.

सत्यस्य (satyasya) - of truth (satya) (of truth, of reality)

(noun)

Genitive, neuter, singular of satya

satya - truth, reality; true, real

From sat (being) + ya (abstract suffix).

Root: as (class 2)

दमः (damaḥ) - self-control (self-control, restraint, subduing)

(noun)

Nominative, masculine, singular of dama

dama - self-control, restraint, taming, subduing

From root dam (to tame, subdue).

Root: dam (class 4)

Note: Predicate nominative.

दमस्य (damasya) - of self-control (of self-control, of restraint)

(noun)

Genitive, masculine, singular of dama

dama - self-control, restraint, taming, subduing

From root dam (to tame, subdue).

Root: dam (class 4)

मोक्षः (mokṣaḥ) - liberation (mokṣa) (liberation, release, freedom)

(noun)

Nominative, masculine, singular of mokṣa

mokṣa - liberation, release, freedom, final emancipation

From root muc (to free, release) + sa suffix.

Root: muc (class 6)

Note: Predicate nominative.

एतत् (etat) - this (this, that)

(pronoun)

Nominative, neuter, singular of etad

etad - this (demonstrative pronoun)

Demonstrative pronoun base.

Note: Subject.

सर्वानुशासनम् (sarvānuśāsanam) - the sum of all teachings (the sum of all teachings, the entire instruction)

(noun)

Nominative, neuter, singular of sarvānuśāsana

sarvānuśāsana - the entire instruction, the complete teaching

Compound of sarva (all) and anuśāsana (instruction).

Compound type : karmadhāraya (sarva+anuśāsana)

• sarva – all, every, whole
  adjective (neuter)
• anuśāsana – instruction, teaching, discipline, precept, rule
  noun (neuter)
  From anu-śās (to instruct, to teach) + ana suffix.
  Prefix: anu
  Root: śās (class 2)

Note: Predicate nominative for etat.