योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-50, verse-79

संकल्पसंकल्पनवर्जनोग्रमन्त्रप्रभावाद्हृदयाम्बरस्थम् ।
सोत्साहमुत्सादय चित्तमेघं बृहत्फलं प्राप्य भवालमाद्यः ॥ ७९ ॥

saṃkalpasaṃkalpanavarjanogramantraprabhāvādhṛdayāmbarastham ,
sotsāhamutsādaya cittameghaṃ bṛhatphalaṃ prāpya bhavālamādyaḥ 79

79. saṃkalpasaṃkalpanavarjanogramantraprabhāvāt
hṛdayāmbarastham
sotsāham utsādaya cittamegham
bṛhatphalam prāpya bhava alam ādyaḥ

79. ādyaḥ,
saṃkalpasaṃkalpanavarjanogramantraprabhāvāt hṛdayāmbarastham cittamegham sotsāham utsādaya.
bṛhatphalam prāpya,
alam bhava.

79. Through the power of a potent mantra which involves renouncing all mental fabrications (saṃkalpa), eagerly destroy that mind-cloud dwelling in the firmament of the heart. Having achieved a magnificent result, be content, O foremost one!

Words meanings summery:

• संकल्पसंकल्पनवर्जनोग्रमन्त्रप्रभावात् (saṁkalpasaṁkalpanavarjanogramantraprabhāvāt) - through the power of a potent mantra which involves renouncing all mental fabrications (saṃkalpa) (from the power of a fierce mantra of abandoning mental constructions)

• हृदयाम्बरस्थम् (hṛdayāmbarastham) - dwelling in the firmament of the heart (residing in the sky of the heart)

• सोत्साहम् (sotsāham) - eagerly (with enthusiasm, eagerly)

• उत्सादय (utsādaya) - destroy (destroy, remove, root out)

• चित्तमेघम् (cittamegham) - the mind-cloud

• बृहत्फलम् (bṛhatphalam) - a magnificent result (great fruit, magnificent result)

• प्राप्य (prāpya) - having achieved (having obtained, having reached)

• भव (bhava) - be (be, become, exist)

• अलम् (alam) - content (adverbial use with 'be') (enough, sufficient, stop)

• आद्यः (ādyaḥ) - O foremost one! (first, primary, chief)

Words meanings and morphology

संकल्पसंकल्पनवर्जनोग्रमन्त्रप्रभावात् (saṁkalpasaṁkalpanavarjanogramantraprabhāvāt) - through the power of a potent mantra which involves renouncing all mental fabrications (saṃkalpa) (from the power of a fierce mantra of abandoning mental constructions)

(noun)

Ablative, masculine, singular of saṃkalpasaṃkalpanavarjanogramantraprabhāva

saṁkalpasaṁkalpanavarjanogramantraprabhāva - power of a fierce mantra of abandoning mental constructions

Compound type : tatpuruṣa (saṃkalpasaṃkalpanavarjana+ugramantraprabhāva)

• saṃkalpasaṃkalpanavarjana – abandoning of mental intentions and constructions
  noun (neuter)
• ugramantraprabhāva – power of a fierce mantra
  noun (masculine)

Note: Indicates cause or source.

हृदयाम्बरस्थम् (hṛdayāmbarastham) - dwelling in the firmament of the heart (residing in the sky of the heart)

(adjective)

Accusative, masculine, singular of hṛdayāmbarastha

hṛdayāmbarastha - abiding in the heart-sky

Compound type : tatpuruṣa (hṛdayāmbara+stha)

• hṛdayāmbara – heart-sky
  noun (neuter)
• stha – standing, abiding, existing
  adjective (masculine)
  Suffix -stha from √sthā.
  Root: sthā (class 1)

Note: Modifies 'cittamegham'.

सोत्साहम् (sotsāham) - eagerly (with enthusiasm, eagerly)

(indeclinable)

Compound type : bahuvrīhi (sa+utsāha)

• sa – with
  indeclinable
• utsāha – enthusiasm, energy
  noun (masculine)
  Prefix: ut
  Root: sah (class 1)

Note: Adverbial usage.

उत्सादय (utsādaya) - destroy (destroy, remove, root out)

(verb)

2nd person , singular, active, imperative (loṭ) of utsādaya

Causative verb, Imperative 2nd singular

From causative of root √sad (to sit, settle) with upasarga ut-.

Prefix: ut

Root: sad (class 1)

Note: Main verb of the sentence.

चित्तमेघम् (cittamegham) - the mind-cloud

(noun)

Accusative, masculine, singular of cittamegha

cittamegha - mind-cloud

Compound type : karmadhāraya (citta+megha)

• citta – mind, thought, consciousness
  noun (neuter)
  Past Passive Participle (from cit)
  Root: cit (class 1)
• megha – cloud
  noun (masculine)

Note: Object of 'utsādaya'.

बृहत्फलम् (bṛhatphalam) - a magnificent result (great fruit, magnificent result)

(noun)

Accusative, neuter, singular of bṛhatphala

bṛhatphala - great fruit, excellent result

Compound type : karmadhāraya (bṛhat+phala)

• bṛhat – great, large, vast
  adjective (neuter)
• phala – fruit, result, reward
  noun (neuter)

Note: Object of 'prāpya'.

प्राप्य (prāpya) - having achieved (having obtained, having reached)

(indeclinable)

Absolutive (Gerund)

From root √āp (to obtain) with upasarga pra- and suffix -ya.

Prefix: pra

Root: āp (class 5)

Note: Gerund, indicating prior action.

भव (bhava) - be (be, become, exist)

(verb)

2nd person , singular, active, imperative (loṭ) of bhava

Imperative 2nd singular

From root √bhū (to be).

Root: bhū (class 1)

Note: Command.

अलम् (alam) - content (adverbial use with 'be') (enough, sufficient, stop)

(indeclinable)

Note: Adverbial.

आद्यः (ādyaḥ) - O foremost one! (first, primary, chief)

(adjective)

Nominative, masculine, singular of ādya

ādya - first, initial, chief, primal

Note: Used vocatively.