योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-141, verse-8

पतन्तीभिः सुरस्त्रीभिर्द्विगुणाग्निशिखालवः ।
पतदङ्गारधारौघकणसीकरदन्तुरः ॥ ८ ॥

patantībhiḥ surastrībhirdviguṇāgniśikhālavaḥ ,
patadaṅgāradhāraughakaṇasīkaradanturaḥ 8

8. patantībhiḥ surastrībhiḥ dviguṇāgniśikhālavāḥ
/ patadaṅgāradhāraughakaṇasīkaradanturaḥ

8. patantībhiḥ surastrībhiḥ / dviguṇāgniśikhālavāḥ
patadaṅgāradhāraughakaṇasīkaradanturaḥ

8. [The scene was filled] with falling celestial women, [while there were also] double fragments of fire-flames, and [the atmosphere was] studded with torrents of falling embers, particles, and sprays.

Words meanings summery:

• पतन्तीभिः (patantībhiḥ) - by falling, by those who are falling

• सुरस्त्रीभिः (surastrībhiḥ) - by celestial women

• द्विगुणाग्निशिखालवाः (dviguṇāgniśikhālavāḥ) - double fragments of fire-flames

• पतदङ्गारधारौघकणसीकरदन्तुरः (patadaṅgāradhāraughakaṇasīkaradanturaḥ) - studded with torrents of falling embers, particles, and sprays

Words meanings and morphology

पतन्तीभिः (patantībhiḥ) - by falling, by those who are falling

(adjective)

Instrumental, feminine, plural of patantī

patantī - falling, descending (feminine)

Present Active Participle

Derived from root pat (to fall)

Root: pat (class 1)

सुरस्त्रीभिः (surastrībhiḥ) - by celestial women

(noun)

Instrumental, feminine, plural of surastrī

surastrī - celestial woman, goddess

Compound type : tatpuruṣa (sura+strī)

• sura – god, deity, celestial being
  noun (masculine)
• strī – woman, female
  noun (feminine)

Note: The agent or instrument of the described scene, linked to the adjectives in the previous verse.

द्विगुणाग्निशिखालवाः (dviguṇāgniśikhālavāḥ) - double fragments of fire-flames

(noun)

Nominative, masculine, plural of dviguṇāgniśikhālava

dviguṇāgniśikhālava - fragments of fire-flames that are doubled

Compound type : tatpuruṣa (dviguṇa+agniśikhā+lava)

• dviguṇa – doubled, twofold
  adjective (masculine)
• agniśikhā – fire-flame, tongue of fire
  noun (feminine)
• lava – fragment, particle, drop
  noun (masculine)

Note: Describes an aspect of the destructive fire.

पतदङ्गारधारौघकणसीकरदन्तुरः (patadaṅgāradhāraughakaṇasīkaradanturaḥ) - studded with torrents of falling embers, particles, and sprays

(adjective)

Nominative, masculine, singular of patadaṅgāradhāraughakaṇasīkaradantura

patadaṅgāradhāraughakaṇasīkaradantura - uneven/studded with streams of falling embers, particles and spray

Compound type : bahuvrīhi (patat+aṅgāra+dhāra+ogha+kaṇa+sīkara+dantura)

• patat – falling
  adjective (masculine)
  Present Active Participle
  Derived from root pat (to fall)
  Root: pat (class 1)
• aṅgāra – ember, live coal
  noun (masculine)
• dhāra – stream, flow
  noun (masculine)
• ogha – multitude, torrent, flood
  noun (masculine)
• kaṇa – minute particle, grain
  noun (masculine)
• sīkara – spray, mist, drop of water
  noun (masculine)
• dantura – studded, bristling, uneven
  adjective (masculine)

Note: Describes the state of the atmosphere or the destructive scene.