योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-111, verse-22

यथा तथैव तत्याज तस्य साहायकाय सः ।
पर्जन्यास्त्रं महास्त्रैशं द्विषदातपशान्तये ॥ २२ ॥

yathā tathaiva tatyāja tasya sāhāyakāya saḥ ,
parjanyāstraṃ mahāstraiśaṃ dviṣadātapaśāntaye 22

22. yathā tathā eva tatyāja tasya sāhāyakāya saḥ
parjanyāstram mahāstraiśam dviṣadātapaśāntaye

22. yathā tathā eva saḥ tasya sāhāyakāya
dviṣadātapaśāntaye mahāstraiśam parjanyāstram tatyāja

22. Just as before, he likewise released the Parjanya weapon, the great weapon related to Īśa (Shiva), for his assistance and for the pacification of the enemy's torment.

Words meanings summery:

• यथा (yathā) - just as, as, according to

• तथा (tathā) - so, thus, likewise

• एव (eva) - indeed, certainly, only

• तत्याज (tatyāja) - he released, he abandoned

• तस्य (tasya) - his, of him, of that

• साहायकाय (sāhāyakāya) - for assistance, for help

• सः (saḥ) - he, that (person)

• पर्जन्यास्त्रम् (parjanyāstram) - the Parjanya weapon (a rain/cloud weapon)

• महास्त्रैशम् (mahāstraiśam) - the great weapon related to Īśa (Shiva)

• द्विषदातपशान्तये (dviṣadātapaśāntaye) - for the pacification of the enemy's torment/heat

Words meanings and morphology

यथा (yathā) - just as, as, according to

(indeclinable)

तथा (tathā) - so, thus, likewise

(indeclinable)

एव (eva) - indeed, certainly, only

(indeclinable)

तत्याज (tatyāja) - he released, he abandoned

(verb)

3rd person , singular, active, perfect (lit) of tyaj

perfect active

Perfect tense, third person singular, active voice

Root: tyaj (class 1)

तस्य (tasya) - his, of him, of that

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

साहायकाय (sāhāyakāya) - for assistance, for help

(noun)

Dative, neuter, singular of sāhāyaka

sāhāyaka - assistance, help, aid

सः (saḥ) - he, that (person)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

पर्जन्यास्त्रम् (parjanyāstram) - the Parjanya weapon (a rain/cloud weapon)

(noun)

Accusative, neuter, singular of parjanyāstra

parjanyāstra - a weapon associated with Parjanya (rain-god), a rain-weapon

Compound type : tatpuruṣa (parjanya+astra)

• parjanya – rain-cloud, rain-god, thunder-cloud
  noun (masculine)
• astra – weapon, missile, projectile
  noun (neuter)

महास्त्रैशम् (mahāstraiśam) - the great weapon related to Īśa (Shiva)

(adjective)

Accusative, neuter, singular of mahāstraiśa

mahāstraiśa - a great weapon belonging to or related to Īśa (Shiva)

Compound type : tatpuruṣa (mahā+astra+aiśa)

• mahā – great, large, mighty, powerful
  adjective
• astra – weapon, missile, projectile
  noun (neuter)
• aiśa – relating to Īśa (Shiva), lordly, divine
  adjective (masculine)

Note: Modifies 'parjanyāstram'.

द्विषदातपशान्तये (dviṣadātapaśāntaye) - for the pacification of the enemy's torment/heat

(noun)

Dative, feminine, singular of dviṣadātapaśānti

dviṣadātapaśānti - pacification of the enemy's heat or torment

Compound type : tatpuruṣa (dviṣat+ātapa+śānti)

• dviṣat – enemy, adversary, hostile person
  noun (masculine)
  present active participle
  Present active participle of root dviṣ
  Root: dviṣ (class 2)
• ātapa – heat, sunshine, torment, distress
  noun (masculine)
• śānti – peace, tranquility, cessation, pacification
  noun (feminine)
  Root: śam (class 4)