महाभारतः mahābhārataḥ - book-12, chapter-156, verse-12

दमो नान्यस्पृहा नित्यं धैर्यं गाम्भीर्यमेव च ।
अभयं क्रोधशमनं ज्ञानेनैतदवाप्यते ॥१२॥

12. damo nānyaspṛhā nityaṁ dhairyaṁ gāmbhīryameva ca ,
abhayaṁ krodhaśamanaṁ jñānenaitadavāpyate.

12. damaḥ na anya-spṛhā nityam dhairyam gāmbhīryam eva
ca abhayam krodha-śamanam jñānena etat avāpyate

12. damaḥ na anya-spṛhā nityam dhairyam gāmbhīryam eva
ca abhayam krodha-śamanam ca etat jñānena avāpyate

12. Self-control (dama), the constant absence of desire for other things, fortitude, and indeed profundity, along with fearlessness and the calming of anger—all this is attained through true knowledge (jñāna).

Words meanings summery:

• दमः (damaḥ) - self-control (dama) (self-control, restraint, subduing the senses)

• न (na) - absence of (not, no, nor)

• अन्य-स्पृहा (anya-spṛhā) - desire for other things (desire for other things, longing for others)

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

• धैर्यम् (dhairyam) - fortitude (fortitude, patience, steadfastness, firmness)

• गाम्भीर्यम् (gāmbhīryam) - profundity (profundity, depth, seriousness, dignity)

• एव (eva) - indeed (just, only, indeed, certainly)

• च (ca) - and (and, also)

• अभयम् (abhayam) - fearlessness (fearlessness, absence of fear)

• क्रोध-शमनम् (krodha-śamanam) - calming of anger (appeasement of anger, calming of anger, cessation of anger)

• ज्ञानेन (jñānena) - through true knowledge (jñāna) (by knowledge, through understanding)

• एतत् (etat) - all this (this, that)

• अवाप्यते (avāpyate) - is attained (is attained, is obtained, is reached)

Words meanings and morphology

दमः (damaḥ) - self-control (dama) (self-control, restraint, subduing the senses)

(noun)

Nominative, masculine, singular of dama

dama - self-control, restraint, subduing the senses

from √dam

Root: dam (class 4)

Note: One of the virtues.

न (na) - absence of (not, no, nor)

(indeclinable)

Note: Negates anya-spṛhā.

अन्य-स्पृहा (anya-spṛhā) - desire for other things (desire for other things, longing for others)

(noun)

Nominative, feminine, singular of anya-spṛhā

anya-spṛhā - desire for other things, longing for others

Compound type : tatpuruṣa (anya+spṛhā)

• anya – other, another
  pronoun (masculine)
• spṛhā – desire, longing, eagerness
  noun (feminine)
  from √spṛh
  Root: spṛh (class 10)

Note: With na, it means 'no desire for other things'.

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

(adjective)

Nominative, neuter, singular of nitya

nitya - eternal, constant, perpetual, always

Note: Could also be an adverb.

धैर्यम् (dhairyam) - fortitude (fortitude, patience, steadfastness, firmness)

(noun)

Nominative, neuter, singular of dhairya

dhairya - fortitude, patience, steadfastness, firmness

from dhīra + suffix -ya

Note: One of the virtues.

गाम्भीर्यम् (gāmbhīryam) - profundity (profundity, depth, seriousness, dignity)

(noun)

Nominative, neuter, singular of gāmbhīrya

gāmbhīrya - profundity, depth, seriousness, dignity

from gambhīra + suffix -ya

Note: One of the virtues.

एव (eva) - indeed (just, only, indeed, certainly)

(indeclinable)

Note: Emphasizes gāmbhīryam.

च (ca) - and (and, also)

(indeclinable)

Note: Connects gāmbhīryam with the following attributes.

अभयम् (abhayam) - fearlessness (fearlessness, absence of fear)

(noun)

Nominative, neuter, singular of abhaya

abhaya - fearlessness, absence of fear

from a-bhaya

Compound type : nañ-tatpuruṣa (a+bhaya)

• a – not, non
  indeclinable
• bhaya – fear, terror
  noun (neuter)
  from √bhī
  Root: bhī (class 3)

Note: Another virtue.

क्रोध-शमनम् (krodha-śamanam) - calming of anger (appeasement of anger, calming of anger, cessation of anger)

(noun)

Nominative, neuter, singular of krodha-śamana

krodha-śamana - appeasement of anger, calming of anger

Compound type : tatpuruṣa (krodha+śamana)

• krodha – anger, wrath, rage
  noun (masculine)
  from √krudh
  Root: krudh (class 4)
• śamana – calming, appeasing, suppressing
  noun (neuter)
  verbal noun
  from √śam
  Root: śam (class 4)

Note: Another virtue.

ज्ञानेन (jñānena) - through true knowledge (jñāna) (by knowledge, through understanding)

(noun)

Instrumental, neuter, singular of jñāna

jñāna - knowledge, wisdom, understanding

from √jñā

Root: jñā (class 9)

Note: Means by which these qualities are attained.

एतत् (etat) - all this (this, that)

(pronoun)

Nominative, neuter, singular of etad

etad - this, that

Note: Refers to the list of virtues.

अवाप्यते (avāpyate) - is attained (is attained, is obtained, is reached)

(verb)

3rd person , singular, passive, present (laṭ) of avāp

root √āp with upasarga ava

Prefix: ava

Root: āp (class 5)

Note: The subject etat is attained.