वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-2, verse-20

तानरीन् विधमिष्यन्ति शिलापादपवृष्टिभिः ।
कथं चित् परिपश्यामस्ते वयं वरुणालयम् ॥२०॥

20. tānarīn vidhamiṣyanti śilāpādapavṛṣṭibhiḥ ,
kathaṃ cit paripaśyāmaste vayaṃ varuṇālayam.

20. tān arīn vidhamiṣyanti śilāpādapavṛṣṭibhiḥ
kathaṃ cit paripaśyāmaḥ te vayam varuṇālayam

20. śilāpādapavṛṣṭibhiḥ tān arīn vidhamiṣyanti
vayam kathaṃ cit te varuṇālayam paripaśyāmaḥ

20. They will destroy those enemies with a shower of stones and trees. We must somehow find a way to observe the abode of Varuṇa (the ocean).

Words meanings summery:

• तान् (tān) - those

• अरीन् (arīn) - enemies

• विधमिष्यन्ति (vidhamiṣyanti) - they will destroy, they will break, they will scatter

• शिलापादपवृष्टिभिः (śilāpādapavṛṣṭibhiḥ) - with showers of stones and trees

• कथं (kathaṁ) - how, in what way

• चित् (cit) - (particle indicating indefiniteness, like 'some' or 'any')

• परिपश्यामः (paripaśyāmaḥ) - may we observe, let us see, we should see

• ते (te) - particle for emphasis, indeed, then, so

• वयम् (vayam) - we

• वरुणालयम् (varuṇālayam) - abode of Varuṇa, the ocean

Words meanings and morphology

तान् (tān) - those

(pronoun)

Accusative, masculine, plural of tad

tad - that, those

अरीन् (arīn) - enemies

(noun)

Accusative, masculine, plural of ari

ari - enemy, foe, rival

विधमिष्यन्ति (vidhamiṣyanti) - they will destroy, they will break, they will scatter

(verb)

3rd person , plural, active, future (lṛṭ) of vidhamiṣyanti

Prefix: vi

Root: dham (class 1)

शिलापादपवृष्टिभिः (śilāpādapavṛṣṭibhiḥ) - with showers of stones and trees

(noun)

Instrumental, feminine, plural of śilāpādapavṛṣṭi

śilāpādapavṛṣṭi - a shower of stones and trees

Compound type : dvandva-tatpurusha (śilā+pādapa+vṛṣṭi)

• śilā – stone, rock, slab
  noun (feminine)
• pādapa – tree, plant (drinker by foot/roots)
  noun (masculine)
• vṛṣṭi – rain, shower, a fall (of objects)
  noun (feminine)

कथं (kathaṁ) - how, in what way

(indeclinable)

चित् (cit) - (particle indicating indefiniteness, like 'some' or 'any')

(indeclinable)

परिपश्यामः (paripaśyāmaḥ) - may we observe, let us see, we should see

(verb)

1st person , plural, active, optative (vidhiliṅ) of paripaśyāmaḥ

Prefix: pari

Root: dṛś (class 1)

ते (te) - particle for emphasis, indeed, then, so

(indeclinable)

वयम् (vayam) - we

(pronoun)

Nominative, plural of asmad

asmad - I, we

वरुणालयम् (varuṇālayam) - abode of Varuṇa, the ocean

(noun)

Accusative, masculine, singular of varuṇālaya

varuṇālaya - abode of Varuṇa, the ocean

Compound type : tatpurusha (varuṇa+ālaya)

• varuṇa – Varuṇa (Vedic deity of cosmic order and the oceans)
  proper noun (masculine)
• ālaya – abode, dwelling, house, receptacle
  noun (masculine)