योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-77, verse-32

उत्पेतुर्धूमभस्माब्दाः पेतुर्वारा पुरोत्कराः ।
उन्ममज्जुस्तरङ्गौघा ममज्जुर्भूतलाद्रयः ॥ ३२ ॥

utpeturdhūmabhasmābdāḥ peturvārā purotkarāḥ ,
unmamajjustaraṅgaughā mamajjurbhūtalādrayaḥ 32

32. utpetuḥ dhūma-bhasma-abdāḥ petuḥ vārāḥ purā-utkarāḥ
unmamajjuḥ taraṅga-oghāḥ mamajjuḥ bhūtala-adrayaḥ

32. dhūma-bhasma-abdāḥ utpetuḥ vārāḥ purā-utkarāḥ petuḥ
taraṅga-oghāḥ unmamajjuḥ bhūtala-adrayaḥ mamajjuḥ

32. Clouds of smoke and ashes rose up; ancient torrents of water fell down. Floods of waves surged up, and mountains on the earth's surface sank down.

Words meanings summery:

• उत्पेतुः (utpetuḥ) - they flew up, they rose up, they sprang up

• धूम-भस्म-अब्दाः (dhūma-bhasma-abdāḥ) - clouds of smoke and ashes

• पेतुः (petuḥ) - they fell, they descended

• वाराः (vārāḥ) - waters, streams

• पुरा-उत्कराः (purā-utkarāḥ) - ancient heaps/torrents, primeval masses

• उन्ममज्जुः (unmamajjuḥ) - they emerged, they rose up

• तरङ्ग-ओघाः (taraṅga-oghāḥ) - floods of waves, torrents of waves

• ममज्जुः (mamajjuḥ) - they sank, they submerged

• भूतल-अद्रयः (bhūtala-adrayaḥ) - mountains of the earth's surface

Words meanings and morphology

उत्पेतुः (utpetuḥ) - they flew up, they rose up, they sprang up

(verb)

3rd person , plural, active, perfect (liṭ) of utpat

Prefix: ud

Root: pat (class 1)

धूम-भस्म-अब्दाः (dhūma-bhasma-abdāḥ) - clouds of smoke and ashes

(noun)

Nominative, masculine, plural of dhūma-bhasma-abda

dhūma-bhasma-abda - cloud of smoke and ashes

Compound type : dvandva (dhūma+bhasma+abda)

• dhūma – smoke, vapor
  noun (masculine)
• bhasma – ashes, cinders
  noun (neuter)
• abda – cloud, year
  noun (masculine)

पेतुः (petuḥ) - they fell, they descended

(verb)

3rd person , plural, active, perfect (liṭ) of pat

Root: pat (class 1)

वाराः (vārāḥ) - waters, streams

(noun)

Nominative, feminine, plural of vār

vār - water, stream

पुरा-उत्कराः (purā-utkarāḥ) - ancient heaps/torrents, primeval masses

(noun)

Nominative, masculine, plural of purā-utkara

purā-utkara - ancient heap/mass/torrent

Compound type : tatpuruṣa (purā+utkara)

• purā – formerly, anciently, previously
  indeclinable
  Used adverbially here as part of a compound to mean 'ancient'.
• utkara – heap, pile, raised ground, torrent
  noun (masculine)

उन्ममज्जुः (unmamajjuḥ) - they emerged, they rose up

(verb)

3rd person , plural, active, perfect (liṭ) of unmamajj

Prefix: ud

Root: majj (class 6)

तरङ्ग-ओघाः (taraṅga-oghāḥ) - floods of waves, torrents of waves

(noun)

Nominative, masculine, plural of taraṅga-ogha

taraṅga-ogha - flood/torrent of waves

Compound type : tatpuruṣa (taraṅga+ogha)

• taraṅga – wave, billow
  noun (masculine)
• ogha – flood, torrent, multitude
  noun (masculine)

ममज्जुः (mamajjuḥ) - they sank, they submerged

(verb)

3rd person , plural, active, perfect (liṭ) of majj

Root: majj (class 6)

भूतल-अद्रयः (bhūtala-adrayaḥ) - mountains of the earth's surface

(noun)

Nominative, masculine, plural of bhūtala-adri

bhūtala-adri - mountain on the earth's surface

Compound type : tatpuruṣa (bhūtala+adri)

• bhūtala – earth's surface, ground
  noun (neuter)
• adri – mountain, rock, hill
  noun (masculine)