योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-13, verse-45

अतो मनोजयश्चिन्त्यः शमसंतोषसाधनः ।
अनन्तसमसंयोगस्तस्मादानन्द आप्यते ॥ ४५ ॥

ato manojayaścintyaḥ śamasaṃtoṣasādhanaḥ ,
anantasamasaṃyogastasmādānanda āpyate 45

45. ataḥ manaḥ-jayaḥ cintyaḥ śama-santoṣa-sādhanaḥ
| ananta-sama-saṃyogaḥ tasmāt ānandaḥ āpyate ||

45. ataḥ manaḥ-jayaḥ śama-santoṣa-sādhanaḥ cintyaḥ
tasmāt ananta-sama-saṃyogaḥ ānandaḥ āpyate

45. Therefore, the conquest of the mind (mano-jaya) should be contemplated, as it is the means to tranquility (śama) and contentment (santoṣa). From that [conquest], an infinite, balanced union is achieved, and thereby, bliss (ānanda) is obtained.

Words meanings summery:

• अतः (ataḥ) - therefore, hence, from this

• मनः-जयः (manaḥ-jayaḥ) - conquest of the mind, control of the mind

• चिन्त्यः (cintyaḥ) - should be contemplated, to be thought about

• शम-सन्तोष-साधनः (śama-santoṣa-sādhanaḥ) - means to tranquility and contentment

• अनन्त-सम-संयोगः (ananta-sama-saṁyogaḥ) - infinite balanced union, eternal even connection

• तस्मात् (tasmāt) - from that mind-conquest / union (from that, therefore)

• आनन्दः (ānandaḥ) - bliss, joy, happiness

• आप्यते (āpyate) - is attained, is reached, is obtained

Words meanings and morphology

अतः (ataḥ) - therefore, hence, from this

(indeclinable)

मनः-जयः (manaḥ-jayaḥ) - conquest of the mind, control of the mind

(noun)

Nominative, masculine, singular of manaḥ-jaya

manaḥ-jaya - conquest of the mind, mind control

Compound type : ṣaṣṭhī-tatpuruṣa (manas+jaya)

• manas – mind, intellect, thought
  noun (neuter)
  Root: man (class 4)
• jaya – victory, conquest
  noun (masculine)
  From root ji (to conquer)
  Root: ji (class 1)

Note: Subject of the imperative-like construction.

चिन्त्यः (cintyaḥ) - should be contemplated, to be thought about

(adjective)

Nominative, masculine, singular of cintya

cintya - to be thought, to be contemplated

Gerundive (karmaṇi prayoga)

From root cint (to think) + ya (suffix)

Root: cint (class 10)

Note: Agrees with manaḥ-jayaḥ.

शम-सन्तोष-साधनः (śama-santoṣa-sādhanaḥ) - means to tranquility and contentment

(adjective)

Nominative, masculine, singular of śama-santoṣa-sādhana

śama-santoṣa-sādhana - means for tranquility and contentment

Compound type : dvandva-tatpuruṣa (śama+santoṣa+sādhana)

• śama – tranquility, calm, restraint
  noun (masculine)
  From root śam (to be calm)
  Root: śam (class 1)
• santoṣa – contentment, satisfaction
  noun (masculine)
  From sam-tuṣ (to be pleased)
  Prefix: sam
  Root: tuṣ (class 4)
• sādhana – means, instrument, accomplishment
  noun (neuter)
  From root sādh (to accomplish)
  Root: sādh (class 10)

Note: Adjective agreeing with manaḥ-jayaḥ.

अनन्त-सम-संयोगः (ananta-sama-saṁyogaḥ) - infinite balanced union, eternal even connection

(noun)

Nominative, masculine, singular of ananta-sama-saṃyoga

ananta-sama-saṁyoga - infinite balanced union, eternal uniform connection

Compound type : karma-dhāraya (ananta+sama+saṃyoga)

• ananta – infinite, endless
  adjective (masculine)
  a (negation) + anta (end)
  Prefix: an
• sama – equal, even, balanced, uniform
  adjective (masculine)
• saṃyoga – union, conjunction, connection
  noun (masculine)
  From sam-yuj (to join together)
  Prefix: sam
  Root: yuj (class 7)

Note: Subject of the second clause implicitly.

तस्मात् (tasmāt) - from that mind-conquest / union (from that, therefore)

(pronoun)

Ablative, neuter, singular of tad

tad - that, it

Note: Refers to the process mentioned earlier (manaḥ-jaya, saṃyoga).

आनन्दः (ānandaḥ) - bliss, joy, happiness

(noun)

Nominative, masculine, singular of ānanda

ānanda - bliss, joy, happiness, delight

From ā-nand (to rejoice)

Prefix: ā

Root: nand (class 1)

Note: Subject of āpyate.

आप्यते (āpyate) - is attained, is reached, is obtained

(verb)

3rd person , singular, middle, present (laṭ) of āp

Prefix: ā

Root: āp (class 5)

Note: Can be passive sense: 'is obtained'.