वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-4, chapter-47, verse-3

पर्वताग्रान्नदीदुर्गान् सरांसि विपुलान्द्रुमान् ।
वृक्षषण्डांश्च विविधान्पर्वतान् घनपादपान् ॥३॥

3. parvatāgrānnadīdurgān sarāṃsi vipulāndrumān ,
vṛkṣaṣaṇḍāṃśca vividhānparvatān ghanapādapān.

3. parvata-agrān nadī-durgān sarāṃsi vipulān drumān
vṛkṣa-ṣaṇḍān ca vividhān parvatān ghana-pādapān

3. parvata-agrān nadī-durgān sarāṃsi vipulān drumān
vṛkṣa-ṣaṇḍān ca vividhān parvatān ghana-pādapān

3. (They searched) mountain peaks, inaccessible river passages, lakes, immense trees, diverse groves, and mountains with dense vegetation.

Words meanings summery:

• पर्वत-अग्रान् (parvata-agrān) - the tops of mountains (mountain peaks)

• नदी-दुर्गान् (nadī-durgān) - areas near rivers that are difficult to access (impassable river areas, river-fortresses)

• सरांसि (sarāṁsi) - lakes (lakes, ponds)

• विपुलान् (vipulān) - immense (vast, wide, extensive)

• द्रुमान् (drumān) - trees

• वृक्ष-षण्डान् (vṛkṣa-ṣaṇḍān) - groves (groves of trees, clusters of trees)

• च (ca) - and

• विविधान् (vividhān) - diverse (various, diverse, manifold)

• पर्वतान् (parvatān) - mountains

• घन-पादपान् (ghana-pādapān) - (mountains) with dense vegetation (dense-treed (mountains), thick with trees)

Words meanings and morphology

पर्वत-अग्रान् (parvata-agrān) - the tops of mountains (mountain peaks)

(noun)

Accusative, neuter, plural of parvata-agra

parvata-agra - mountain peak, summit

Tatpurusha compound (ṣaṣṭhī tatpurusha - 'tip of the mountain')

Compound type : tatpurusha (parvata+agra)

• parvata – mountain, hill
  noun (masculine)
• agra – tip, top, peak, front
  noun (neuter)

नदी-दुर्गान् (nadī-durgān) - areas near rivers that are difficult to access (impassable river areas, river-fortresses)

(noun)

Accusative, masculine, plural of nadī-durga

nadī-durga - river-fortress, a river difficult to cross or an inaccessible area near a river

Tatpurusha compound

Compound type : tatpurusha (nadī+durga)

• nadī – river
  noun (feminine)
• durga – difficult to go, inaccessible; a fortress
  adjective (masculine)

सरांसि (sarāṁsi) - lakes (lakes, ponds)

(noun)

Accusative, neuter, plural of saras

saras - lake, pond, pool

विपुलान् (vipulān) - immense (vast, wide, extensive)

(adjective)

Accusative, masculine, plural of vipula

vipula - vast, large, extensive, abundant

Note: Agrees with 'drumān'

द्रुमान् (drumān) - trees

(noun)

Accusative, masculine, plural of druma

druma - tree

वृक्ष-षण्डान् (vṛkṣa-ṣaṇḍān) - groves (groves of trees, clusters of trees)

(noun)

Accusative, masculine, plural of vṛkṣa-ṣaṇḍa

vṛkṣa-ṣaṇḍa - grove of trees, thicket, cluster of trees

Tatpurusha compound ('cluster of trees')

Compound type : tatpurusha (vṛkṣa+ṣaṇḍa)

• vṛkṣa – tree
  noun (masculine)
• ṣaṇḍa – group, collection, multitude, grove
  noun (masculine)

च (ca) - and

(indeclinable)

Note: Conjunction

विविधान् (vividhān) - diverse (various, diverse, manifold)

(adjective)

Accusative, masculine, plural of vividha

vividha - various, diverse, manifold, different

Note: Agrees with 'parvatān'

पर्वतान् (parvatān) - mountains

(noun)

Accusative, masculine, plural of parvata

parvata - mountain, hill

घन-पादपान् (ghana-pādapān) - (mountains) with dense vegetation (dense-treed (mountains), thick with trees)

(adjective)

Accusative, masculine, plural of ghana-pādapa

ghana-pādapa - dense with trees, having thick foliage

Bahuvrīhi compound ('those in which trees are dense')

Compound type : bahuvrīhi (ghana+pādapa)

• ghana – dense, thick, compact, solid
  adjective (masculine)
• pādapa – tree (lit. 'foot-drinker')
  noun (masculine)

Note: Agrees with 'parvatān'