योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-139, verse-25

प्रोह्यत्पर्वतपूरेण महावर्तविराविणा ।
वहद्वनालीतृण्याढ्यैर्व्याप्तेनोन्मूलितागया ॥ २५ ॥

prohyatparvatapūreṇa mahāvartavirāviṇā ,
vahadvanālītṛṇyāḍhyairvyāptenonmūlitāgayā 25

25. prohyat-parvata-pūreṇa mahā-varta-virāviṇā
vahad-vana-ālī-tṛṇya-āḍhyaiḥ vyāptena unmūlitā-agayā

25. (ambhasā) prohyat-parvata-pūreṇa mahā-varta-virāviṇā (ca) vahad-vana-ālī-tṛṇya-āḍhyaiḥ unmūlitā-agayā ca vyāptena (āsīt).

25. The water was like a surge of floating mountains, roaring with mighty whirlpools. It was filled with objects rich in flowing lines of forests and grasses, and with uprooted earth.

Words meanings summery:

• प्रोह्यत्-पर्वत-पूरेण (prohyat-parvata-pūreṇa) - by a mass of floating mountains, by a flood of drifting mountains

• महा-वर्त-विराविणा (mahā-varta-virāviṇā) - by that which is roaring with great whirlpools, by a roar of mighty eddies

• वहद्-वन-आली-तृण्य-आढ्यैः (vahad-vana-ālī-tṛṇya-āḍhyaiḥ) - by those rich in flowing lines of forests and grasses, by those abundant with drifting forest-groves and vegetation

• व्याप्तेन (vyāptena) - by the pervaded one, by that which is filled, by the covered one

• उन्मूलिता-अगया (unmūlitā-agayā) - by the uprooted earth, by the land that has been torn up

Words meanings and morphology

प्रोह्यत्-पर्वत-पूरेण (prohyat-parvata-pūreṇa) - by a mass of floating mountains, by a flood of drifting mountains

(noun)

Instrumental, masculine, singular of prohyat-parvata-pūra

prohyat-parvata-pūra - a flood/mass of floating mountains

Compound type : Tatpurusha (prohyat+parvata+pūra)

• prohyat – floating, drifting, being carried away
  adjective (masculine)
  Present Active Participle
  From pra-√vah (to carry, flow)
  Prefix: pra
  Root: vah (class 1)
• parvata – mountain, hill
  noun (masculine)
• pūra – flood, torrent, abundance, mass, stream
  noun (masculine)

Note: Acts as an adjective describing the water/flood.

महा-वर्त-विराविणा (mahā-varta-virāviṇā) - by that which is roaring with great whirlpools, by a roar of mighty eddies

(adjective)

Instrumental, masculine, singular of mahā-varta-virāvin

mahā-varta-virāvin - roaring with great whirlpools

'virāvin' from √ru (to roar) with 'vi' prefix and suffix '-in'

Compound type : Tatpurusha (mahā+varta+virāvin)

• mahā – great, mighty, large
  adjective
• varta – whirlpool, eddy, circle
  noun (masculine)
• virāvin – roaring, sounding, making noise
  adjective (masculine)
  Derived from √ru (to roar, cry) with prefix vi- and the agent suffix -in.
  Prefix: vi
  Root: ru (class 2)

Note: Qualifies the implied flood/water.

वहद्-वन-आली-तृण्य-आढ्यैः (vahad-vana-ālī-tṛṇya-āḍhyaiḥ) - by those rich in flowing lines of forests and grasses, by those abundant with drifting forest-groves and vegetation

(adjective)

Instrumental, masculine, plural of vahad-vana-ālī-tṛṇya-āḍhya

vahad-vana-ālī-tṛṇya-āḍhya - rich in flowing lines of forests and grasses

Compound type : Bahuvrihi (vahant+vana+ālī+tṛṇya+āḍhya)

• vahant – flowing, drifting, carrying
  adjective (masculine)
  Present Active Participle
  From √vah (to flow, carry).
  Root: vah (class 1)
• vana – forest, wood, grove
  noun (neuter)
• ālī – line, row, series, collection
  noun (feminine)
• tṛṇya – grassy, made of grass, vegetation
  adjective (neuter)
  From tṛṇa (grass) + ya suffix.
• āḍhya – rich, wealthy, abundant, full of
  adjective (masculine)

Note: Describes the 'objects' with which the water is filled.

व्याप्तेन (vyāptena) - by the pervaded one, by that which is filled, by the covered one

(adjective)

Instrumental, masculine, singular of vyāpta

vyāpta - pervaded, filled, covered, occupied

Past Passive Participle

From vi-√āp (to obtain, reach).

Prefix: vi

Root: āp (class 5)

Note: Qualifies the implied flood/water.

उन्मूलिता-अगया (unmūlitā-agayā) - by the uprooted earth, by the land that has been torn up

(noun)

Instrumental, feminine, singular of unmūlitā-agā

unmūlitā-agā - uprooted earth/land

'unmūlitā' is feminine Ppp. of un-√mūl (to uproot). 'agā' is taken as a feminine noun for earth here.

Compound type : Tatpurusha (unmūlitā+agā)

• unmūlitā – uprooted, eradicated
  adjective (feminine)
  Past Passive Participle
  From ut-√mūl (to uproot), feminine form.
  Prefix: ut
  Root: mūl (class 10)
• agā – earth, ground (rare feminine usage)
  noun (feminine)

Note: Describes one of the things with which the water is filled.