योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-78, verse-10

तरत्तारतरारावधाराधरसमुद्भवैः ।
बुद्बुदैः परिसंदिग्धप्रोह्यमाणमहाचलः ॥ १० ॥

tarattāratarārāvadhārādharasamudbhavaiḥ ,
budbudaiḥ parisaṃdigdhaprohyamāṇamahācalaḥ 10

10. tarattāratarārāva dhārādharasamudbhavaiḥ
budbudaiḥ parisandigdhaprohyamāṇamahācalaḥ

10. tarattāratarārāva dhārādharasamudbhavaiḥ
budbudaiḥ parisandigdhaprohyamāṇamahācalaḥ

10. By the bubbles born from the exceedingly loud, roaring, surging water-masses, it causes great mountains to be swept away in a way that makes their presence doubtful (amidst the deluge).

Words meanings summery:

• तरत्तारतराराव (tarattāratarārāva) - describing the intensely loud sounds produced by the turbulent, moving water-masses (with exceedingly loud, surging roars)

• धाराधरसमुद्भवैः (dhārādharasamudbhavaiḥ) - by those (bubbles) arising from the massive, surging torrents of water (likened to clouds or water-bearers) (by those born from clouds/water-bearers)

• बुद्बुदैः (budbudaiḥ) - by bubbles

• परिसन्दिग्धप्रोह्यमाणमहाचलः (parisandigdhaprohyamāṇamahācalaḥ) - the deluge sweeps away great mountains in such a confusing or overwhelming manner that their very existence becomes uncertain or obscured (one by whom great mountains are being swept away doubtfully/uncertainly)

Words meanings and morphology

तरत्तारतराराव (tarattāratarārāva) - describing the intensely loud sounds produced by the turbulent, moving water-masses (with exceedingly loud, surging roars)

(adjective)

Nominative, masculine, singular of tarattāratarārāva

tarattāratarārāva - having exceedingly loud, surging roars

Compound type : bahuvrīhi (tarat+tāratara+ārāva)

• tarat – surging, floating, crossing
  participle (masculine)
  Present Active Participle
  Derived from root 'tṛ' (to cross, to float, to surmount) with present active participle suffix.
  Root: tṛ (class 1)
• tāratara – exceedingly loud, very piercing
  adjective (masculine)
  Comparative form of 'tāra' (loud, clear).
• ārāva – roar, cry, sound
  noun (masculine)
  Derived from root 'ru' (to roar) with upasarga 'ā'.
  Prefix: ā
  Root: ru (class 2)

Note: Acts as an attribute for 'dhārādharasamudbhavaiḥ' (through a Bahuvrīhi compound in the original text, this is part of the first member).

धाराधरसमुद्भवैः (dhārādharasamudbhavaiḥ) - by those (bubbles) arising from the massive, surging torrents of water (likened to clouds or water-bearers) (by those born from clouds/water-bearers)

(noun)

Instrumental, masculine, plural of dhārādharasamudbhava

dhārādharasamudbhava - originating from water-bearers/clouds

Compound of 'dhārādhara' (cloud/water-bearer) and 'samudbhava' (arising from).

Compound type : tatpurusha (dhārādhara+samudbhava)

• dhārādhara – cloud, water-bearer
  noun (masculine)
  Compound of 'dhārā' (stream) and 'dhara' (bearing).
• samudbhava – origin, birth, arising from
  noun (masculine)
  Derived from root 'bhū' (to be) with upasargas 'sam-ud'.
  Prefixes: sam+ud
  Root: bhū (class 1)

Note: Refers to the bubbles (`budbudaiḥ`) arising from these water-masses.

बुद्बुदैः (budbudaiḥ) - by bubbles

(noun)

Instrumental, masculine, plural of budbuda

budbuda - bubble, foam

परिसन्दिग्धप्रोह्यमाणमहाचलः (parisandigdhaprohyamāṇamahācalaḥ) - the deluge sweeps away great mountains in such a confusing or overwhelming manner that their very existence becomes uncertain or obscured (one by whom great mountains are being swept away doubtfully/uncertainly)

(adjective)

Nominative, masculine, singular of parisandigdhaprohyamāṇamahācala

parisandigdhaprohyamāṇamahācala - one who makes the sweeping away of great mountains uncertain

Compound type : bahuvrīhi (parisandigdha+prohyamāṇa+mahācala)

• parisandigdha – doubtful, uncertain, suspicious
  adjective (masculine)
  Past Passive Participle
  Derived from root 'dih' (to smear) or 'dhyai' (to contemplate) with upasargas 'pari-sam' and past passive participle suffix 'kta'.
  Prefixes: pari+sam
  Root: dih (class 4)
• prohyamāṇa – being swept away, being carried forward
  participle (masculine)
  Present Passive Participle
  Derived from root 'vah' (to carry) with upasarga 'pra' and passive participle suffix 'śānac'.
  Prefix: pra
  Root: vah (class 1)
• mahācala – great mountain
  noun (masculine)
  Compound of 'mahā' (great) and 'acala' (mountain).