योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-141, verse-9

अलातविद्युतो धुन्वन्पूताङ्गारोग्रमण्डलीः ।
धूमान्धकारैः स्थगयन्म्लानमूर्ध्वदिशोमुखम् ॥ ९ ॥

alātavidyuto dhunvanpūtāṅgārogramaṇḍalīḥ ,
dhūmāndhakāraiḥ sthagayanmlānamūrdhvadiśomukham 9

9. alātavidyutaḥ dhunvan pūtāṅgārogramaṇḍalīḥ /
dhūmāndhakāraiḥ sthagayan mlānamūrdhvadiśomukham

9. alātavidyutaḥ pūtāṅgārogramaṇḍalīḥ dhunvan /
dhūmāndhakāraiḥ mlānamūrdhvadiśomukham sthagayan

9. [The destruction was] shaking fire-brands and flashes of lightning, [and] scattering fierce circles of purified embers, while covering the faded face of the upper directions with darkness of smoke.

Words meanings summery:

• अलातविद्युतः (alātavidyutaḥ) - fire-brands and lightnings, flashes of burning wood

• धुन्वन् (dhunvan) - shaking, scattering, agitating

• पूताङ्गारोग्रमण्डलीः (pūtāṅgārogramaṇḍalīḥ) - fierce circles of purified embers

• धूमान्धकारैः (dhūmāndhakāraiḥ) - by darknesses of smoke, by smoky darknesses

• स्थगयन् (sthagayan) - covering, obscuring

• म्लानमूर्ध्वदिशोमुखम् (mlānamūrdhvadiśomukham) - the faded face of the upper directions

Words meanings and morphology

अलातविद्युतः (alātavidyutaḥ) - fire-brands and lightnings, flashes of burning wood

(noun)

Accusative, feminine, plural of alātavidyut

alātavidyut - fire-brand and lightning

Compound type : dvandva (alāta+vidyut)

• alāta – fire-brand, burning log
  noun (neuter)
• vidyut – lightning, flash
  noun (feminine)

Note: Object of the participle dhunvan.

धुन्वन् (dhunvan) - shaking, scattering, agitating

(adjective)

Nominative, masculine, singular of dhunvat

dhunvat - shaking, scattering

Present Active Participle

Derived from root dhū (to shake, agitate)

Root: dhū (class 5)

पूताङ्गारोग्रमण्डलीः (pūtāṅgārogramaṇḍalīḥ) - fierce circles of purified embers

(noun)

Accusative, feminine, plural of pūtāṅgārogramaṇḍalī

pūtāṅgārogramaṇḍalī - a circle or multitude of fierce purified embers

Compound type : tatpuruṣa (pūta+aṅgāra+ugra+maṇḍalī)

• pūta – purified, clean
  adjective (masculine)
  Past Passive Participle
  Derived from root pū (to purify)
  Root: pū (class 1)
• aṅgāra – ember, live coal
  noun (masculine)
• ugra – fierce, terrible, violent
  adjective (masculine)
• maṇḍalī – circle, group, multitude
  noun (feminine)

Note: Object of the participle dhunvan.

धूमान्धकारैः (dhūmāndhakāraiḥ) - by darknesses of smoke, by smoky darknesses

(noun)

Instrumental, masculine, plural of dhūmāndhakāra

dhūmāndhakāra - darkness caused by smoke

Compound type : tatpuruṣa (dhūma+andhakāra)

• dhūma – smoke
  noun (masculine)
• andhakāra – darkness
  noun (masculine)

Note: Instrument by which the covering happens.

स्थगयन् (sthagayan) - covering, obscuring

(adjective)

Nominative, masculine, singular of sthagayat

sthagayat - covering, obscuring

Present Active Participle

Derived from root sthag (to cover, conceal)

Root: sthag (class 10)

म्लानमूर्ध्वदिशोमुखम् (mlānamūrdhvadiśomukham) - the faded face of the upper directions

(noun)

Accusative, neuter, singular of mlānamūrdhvadiśomukha

mlānamūrdhvadiśomukha - the faded face/mouth of the upper directions

Compound type : tatpuruṣa (mlāna+ūrdhvadiś+mukha)

• mlāna – faded, withered, dim, weary
  adjective (neuter)
  Past Passive Participle
  Derived from root mlai (to fade, wither)
  Root: mlai (class 1)
• ūrdhvadiś – upper direction
  noun (feminine)
• mukha – face, mouth, front
  noun (neuter)

Note: Object of the participle sthagayan.