योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-113, verse-6

स्वयमस्त्राणि शान्तानि कृतकृत्यान्यथाम्बरे ।
ज्वालाजालानि वह्नीनां दाह्यस्यासंभवादिव ॥ ६ ॥

svayamastrāṇi śāntāni kṛtakṛtyānyathāmbare ,
jvālājālāni vahnīnāṃ dāhyasyāsaṃbhavādiva 6

6. svayam astrāṇi śāntāni kṛtakṛtyāni atha ambare
jvālājālāni vahnīnām dāhyasya asaṃbhavāt iva

6. astrāṇi svayam śāntāni kṛtakṛtyāni ambare atha
vahnīnām jvālājālāni dāhyasya asaṃbhavāt iva

6. The weapons themselves became pacified and their purpose fulfilled in the sky, just as masses of flames from fires subside due to the absence of anything left to burn.

Words meanings summery:

• स्वयम् (svayam) - by oneself, spontaneously

• अस्त्राणि (astrāṇi) - weapons, missiles

• शान्तानि (śāntāni) - calmed, pacified, ceased

• कृतकृत्यानि (kṛtakṛtyāni) - having accomplished their task, fulfilled their purpose

• अथ (atha) - then, now, thereupon

• अम्बरे (ambare) - in the sky, in the atmosphere

• ज्वालाजालानि (jvālājālāni) - networks of flames, masses of flames

• वह्नीनाम् (vahnīnām) - of fires

• दाह्यस्य (dāhyasya) - of that which is to be burnt, of the combustible object

• असंभवात् (asaṁbhavāt) - due to the non-existence, from the impossibility

• इव (iva) - as if, like

Words meanings and morphology

स्वयम् (svayam) - by oneself, spontaneously

(indeclinable)

अस्त्राणि (astrāṇi) - weapons, missiles

(noun)

Nominative, neuter, plural of astra

astra - weapon, missile; bow

शान्तानि (śāntāni) - calmed, pacified, ceased

(adjective)

Nominative, neuter, plural of śānta

śānta - calm, peaceful, tranquil, ceased, extinguished

Past Passive Participle

From root śam (to be calm) + kta (past participle suffix)

Root: śam (class 4)

कृतकृत्यानि (kṛtakṛtyāni) - having accomplished their task, fulfilled their purpose

(adjective)

Nominative, neuter, plural of kṛtakṛtya

kṛtakṛtya - having accomplished one's task, fulfilled one's purpose

Compound type : Bahuvrīhi (kṛta+kṛtya)

• kṛta – done, made, performed
  adjective (neuter)
  Past Passive Participle
  From root kṛ (to do) + kta (past participle suffix)
  Root: kṛ (class 8)
• kṛtya – task, duty, action, that which is to be done
  noun (neuter)
  Gerundive
  From root kṛ (to do) + yat (gerundive suffix)
  Root: kṛ (class 8)

अथ (atha) - then, now, thereupon

(indeclinable)

अम्बरे (ambare) - in the sky, in the atmosphere

(noun)

Locative, neuter, singular of ambara

ambara - sky, atmosphere, garment, cloth

ज्वालाजालानि (jvālājālāni) - networks of flames, masses of flames

(noun)

Nominative, neuter, plural of jvālājāla

jvālājāla - network/mass of flames

Compound type : Tatpuruṣa (jvālā+jāla)

• jvālā – flame, blaze, fire
  noun (feminine)
• jāla – net, network, mass, multitude
  noun (neuter)

वह्नीनाम् (vahnīnām) - of fires

(noun)

Genitive, masculine, plural of vahni

vahni - fire, Agni (deity), sacrificial fire

Root: vah (class 1)

दाह्यस्य (dāhyasya) - of that which is to be burnt, of the combustible object

(adjective)

Genitive, neuter, singular of dāhya

dāhya - that which is to be burnt, combustible

Gerundive

From root dah (to burn) + ṇyat (gerundive suffix)

Root: dah (class 1)

असंभवात् (asaṁbhavāt) - due to the non-existence, from the impossibility

(noun)

Ablative, masculine, singular of asaṃbhava

asaṁbhava - non-existence, impossibility, absence

Compound type : Nañ-tatpuruṣa (a+saṃbhava)

• a – not, non-, un-
  indeclinable
• saṃbhava – existence, origin, possibility, occurrence
  noun (masculine)
  Prefix: sam
  Root: bhū (class 1)

इव (iva) - as if, like

(indeclinable)