योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-150, verse-43

दग्धाभ्रभस्मसंपूर्णधूमाभ्रासितकम्बलैः ।
आनीलाकाशदलपैरिव संछादिताम्बरः ॥ ४३ ॥

dagdhābhrabhasmasaṃpūrṇadhūmābhrāsitakambalaiḥ ,
ānīlākāśadalapairiva saṃchāditāmbaraḥ 43

43. dagdhābhrabhasmasaṃpūrṇadhūmābhbrāsitakambalaiḥ
ānīlākāśadalapaiḥ iva saṃchāditāmbaraḥ

43. saṃchāditāmbaraḥ dagdhābhrabhasmasaṃpūrṇadhūmābhbrāsitakambalaiḥ
iva ānīlākāśadalapaiḥ

43. The fire (was one) whose sky-canopy was covered by dark smoke-cloud blankets, filled with the ash of burnt clouds, and which appeared as if made of bluish fragments of the sky.

Words meanings summery:

• दग्धाभ्रभस्मसंपूर्णधूमाभ्ब्रासितकम्बलैः (dagdhābhrabhasmasaṁpūrṇadhūmābhbrāsitakambalaiḥ) - by dark smoke-cloud blankets filled with the ash of burnt clouds (by blankets of dark smoke-clouds filled with ash of burnt clouds)

• आनीलाकाशदलपैः (ānīlākāśadalapaiḥ) - as if by bluish fragments of the sky (by bluish sky-fragments)

• इव (iva) - as if (as if, like, in the manner of)

• संछादिताम्बरः (saṁchāditāmbaraḥ) - its sky (or atmosphere) was covered (whose sky is covered, having a covered sky)

Words meanings and morphology

दग्धाभ्रभस्मसंपूर्णधूमाभ्ब्रासितकम्बलैः (dagdhābhrabhasmasaṁpūrṇadhūmābhbrāsitakambalaiḥ) - by dark smoke-cloud blankets filled with the ash of burnt clouds (by blankets of dark smoke-clouds filled with ash of burnt clouds)

(adjective)

Instrumental, masculine, plural of dagdhābhrabhasmasaṃpūrṇadhūmābhbrāsitakambala

dagdhābhrabhasmasaṁpūrṇadhūmābhbrāsitakambala - by blankets of dark smoke-clouds, full of ash from burnt clouds

Compound type : bahuvrīhi (dagdhābhrabhasmasaṃpūrṇa+dhūmābhbrāsitakambala)

• dagdhābhrabhasmasaṃpūrṇa – filled with ash of burnt clouds
  adjective (masculine)
• dhūmābhbrāsitakambala – dark smoke-cloud blanket
  noun (masculine)

Note: describes the means by which the sky is covered

आनीलाकाशदलपैः (ānīlākāśadalapaiḥ) - as if by bluish fragments of the sky (by bluish sky-fragments)

(noun)

Instrumental, masculine, plural of ānīlākāśadalapa

ānīlākāśadalapa - bluish sky-fragment

Compound type : tatpuruṣa (ā-nīla+ākāśa+dalapa)

• ā-nīla – slightly blue, bluish
  adjective (masculine)
  Prefix: ā
• ākāśa – sky, ether, space
  noun (masculine)
• dalapa – fragment, piece, petal, leaf
  noun (masculine)

इव (iva) - as if (as if, like, in the manner of)

(indeclinable)

संछादिताम्बरः (saṁchāditāmbaraḥ) - its sky (or atmosphere) was covered (whose sky is covered, having a covered sky)

(adjective)

Nominative, masculine, singular of saṃchāditāmbara

saṁchāditāmbara - having a covered sky/atmosphere

Compound type : bahuvrīhi (saṃchādita+ambara)

• saṃchādita – covered, concealed, obscured
  adjective (masculine)
  Past Passive Participle
  from sam-√chad (to cover)
  Prefix: sam
  Root: √chad (class 1)
• ambara – sky, atmosphere, garment
  noun (neuter)

Note: describes 'agniḥ'