वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-2, chapter-79, verse-4

कतरेण गमिष्यामि भरद्वाजाश्रमं गुह ।
गहनो ऽयं भृशं देशो गङ्गानूपो दुरत्ययः ॥४॥

4. katareṇa gamiṣyāmi bharadvājāśramaṃ guha ,
gahano'yaṃ bhṛśaṃ deśo gaṅgānūpo duratyayaḥ.

4. katareṇa gamiṣyāmi bharadvājāśramam guha
gahanaḥ ayam bhṛśam deśaḥ gaṅgānūpaḥ duratyayaḥ

4. guha bharadvājāśramam katareṇa gamiṣyāmi ayam
gaṅgānūpaḥ deśaḥ bhṛśam gahanaḥ duratyayaḥ

4. O Guha, by which path shall I go to the hermitage (āśrama) of Bharadvāja? This region, the marshy land (anūpa) of the Gaṅgā, is exceedingly dense and impassable.

Words meanings summery:

• कतरेण (katareṇa) - by which (of two)

• गमिष्यामि (gamiṣyāmi) - I shall go

• भरद्वाजाश्रमम् (bharadvājāśramam) - to the hermitage (āśrama) of Bharadvāja

• गुह (guha) - O Guha

• गहनः (gahanaḥ) - dense, deep, impenetrable, difficult

• अयम् (ayam) - this

• भृशम् (bhṛśam) - exceedingly, very much, strongly

• देशः (deśaḥ) - region, country, place

• गङ्गानूपः (gaṅgānūpaḥ) - marshy land of the Gaṅgā

• दुरत्ययः (duratyayaḥ) - difficult to traverse, impassable

Words meanings and morphology

कतरेण (katareṇa) - by which (of two)

(pronoun)

Instrumental, masculine, singular of katara

katara - which of the two

गमिष्यामि (gamiṣyāmi) - I shall go

(verb)

1st person , singular, active, Future (Lṛṭ) of gam

Root: gam (class 1)

भरद्वाजाश्रमम् (bharadvājāśramam) - to the hermitage (āśrama) of Bharadvāja

(noun)

Accusative, masculine, singular of bharadvājāśrama

bharadvājāśrama - hermitage of Bharadvāja

Compound type : tatpuruṣa (bharadvāja+āśrama)

• bharadvāja – name of a celebrated ancient sage
  proper noun (masculine)
• āśrama – hermitage, retreat, abode
  noun (masculine)

गुह (guha) - O Guha

(proper noun)

Vocative, masculine, singular of guha

guha - name of the chief of the Niṣādas, a friend of Rāma

गहनः (gahanaḥ) - dense, deep, impenetrable, difficult

(adjective)

Nominative, masculine, singular of gahana

gahana - deep, dense, thick, impenetrable, difficult to traverse

अयम् (ayam) - this

(pronoun)

Nominative, masculine, singular of idam

idam - this (demonstrative pronoun)

भृशम् (bhṛśam) - exceedingly, very much, strongly

(indeclinable)

देशः (deśaḥ) - region, country, place

(noun)

Nominative, masculine, singular of deśa

deśa - region, country, place, spot

गङ्गानूपः (gaṅgānūpaḥ) - marshy land of the Gaṅgā

(noun)

Nominative, masculine, singular of gaṅgānūpa

gaṅgānūpa - a marshy or watery region of the river Ganges

Compound type : tatpuruṣa (gaṅgā+anūpa)

• gaṅgā – the river Ganges
  proper noun (feminine)
• anūpa – watery country, marsh, swamp
  noun (masculine)

दुरत्ययः (duratyayaḥ) - difficult to traverse, impassable

(adjective)

Nominative, masculine, singular of duratyaya

duratyaya - difficult to be passed, hard to overcome

Compound type : pradi-samāsa (dur+atyaya)

• dur – difficult, bad, ill (prefix)
  indeclinable
• atyaya – passing over, overcoming, transgression
  noun (masculine)
  Derived from root i (to go) with prefix ati (over).
  Prefix: ati
  Root: i (class 2)