वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-15, verse-21

शिलानां क्षिप्यमाणानां शैलानां तत्र पात्यताम् ।
बभूव तुमुलः शब्दस्तदा तस्मिन्महोदधौ ॥२१॥

21. śilānāṃ kṣipyamāṇānāṃ śailānāṃ tatra pātyatām ,
babhūva tumulaḥ śabdastadā tasminmahodadhau.

21. śilānām kṣipyamāṇānām śailānām tatra pātyatām
babhūva tumulaḥ śabdaḥ tadā tasmin mahodadhau

21. tadā tasmin mahodadhau śilānām kṣipyamāṇānām
śailānām tatra pātyatām tumulaḥ śabdaḥ babhūva

21. Then, amidst that great ocean, there arose a tumultuous roar from the falling of stones and the dropping of mountains.

Words meanings summery:

• शिलानाम् (śilānām) - of stones

• क्षिप्यमाणानाम् (kṣipyamāṇānām) - of those being thrown

• शैलानाम् (śailānām) - of mountains

• तत्र (tatra) - Referring to the location where the stones and mountains are being dropped. (there, in that place)

• पात्यताम् (pātyatām) - of the falling, of being thrown down

• बभूव (babhūva) - there was, it became, it arose

• तुमुलः (tumulaḥ) - tumultuous, mighty, loud

• शब्दः (śabdaḥ) - sound, noise, roar

• तदा (tadā) - then, at that time

• तस्मिन् (tasmin) - Referring to the ocean (mahodadhau). (in that)

• महोदधौ (mahodadhau) - in the great ocean

Words meanings and morphology

शिलानाम् (śilānām) - of stones

(noun)

Genitive, feminine, plural of śilā

śilā - stone, rock

क्षिप्यमाणानाम् (kṣipyamāṇānām) - of those being thrown

(adjective)

Genitive, feminine, plural of kṣipyamāṇa

kṣipyamāṇa - being thrown, being cast

present passive participle

Present passive participle from root kṣip.

Root: kṣip (class 6)

शैलानाम् (śailānām) - of mountains

(noun)

Genitive, masculine, plural of śaila

śaila - mountain, rock

Derived from śilā (stone) by suffix -a (meaning 'belonging to' or 'coming from').

तत्र (tatra) - Referring to the location where the stones and mountains are being dropped. (there, in that place)

(indeclinable)

पात्यताम् (pātyatām) - of the falling, of being thrown down

(noun)

Genitive, feminine, plural of pātyatā

pātyatā - the act of causing to fall, being thrown down, falling

Noun formed from the causative stem of root pat (pātaya) + -tā (feminine noun suffix).

Root: pat (class 1)

बभूव (babhūva) - there was, it became, it arose

(verb)

3rd person , singular, active, perfect (lit) of bhū

Perfect tense 3rd person singular active.

Root: bhū (class 1)

तुमुलः (tumulaḥ) - tumultuous, mighty, loud

(adjective)

Nominative, masculine, singular of tumula

tumula - tumultuous, mighty, loud, confused

शब्दः (śabdaḥ) - sound, noise, roar

(noun)

Nominative, masculine, singular of śabda

śabda - sound, noise, word

तदा (tadā) - then, at that time

(indeclinable)

तस्मिन् (tasmin) - Referring to the ocean (mahodadhau). (in that)

(pronoun)

Locative, masculine, singular of tad

tad - that

महोदधौ (mahodadhau) - in the great ocean

(noun)

Locative, masculine, singular of mahodadhi

mahodadhi - great ocean

Compound type : karmadhāraya (mahā+udadhi)

• mahā – great, large
  adjective
• udadhi – ocean, sea (literally 'water-receptacle')
  noun (masculine)