वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-17, verse-26

विन्ध्यं कृष्णगिरिं सह्यं पर्वतं च सुदर्शनम् ।
राजन् सततमध्यास्ते रम्भो नामैष यूथपः ॥२६॥

26. vindhyaṃ kṛṣṇagiriṃ sahyaṃ parvataṃ ca sudarśanam ,
rājan satatamadhyāste rambho nāmaiṣa yūthapaḥ.

26. vindhyam kṛṣṇagirim sahyam parvatam ca sudarśanam
rājan satatam adhyāste rambhaḥ nāma eṣaḥ yūthapaḥ

26. rājan eṣaḥ rambhaḥ nāma yūthapaḥ vindhyam kṛṣṇagirim
sahyam sudarśanam parvatam ca satatam adhyāste

26. O King, this troop leader named Rambha constantly inhabits the Vindhya, Krishnagiri, Sahya, and Sudarshana mountains.

Words meanings summery:

• विन्ध्यम् (vindhyam) - Vindhya (mountain range)

• कृष्णगिरिम् (kṛṣṇagirim) - Krishnagiri (Black Mountain)

• सह्यम् (sahyam) - Sahya (mountain range)

• पर्वतम् (parvatam) - mountain

• च (ca) - and

• सुदर्शनम् (sudarśanam) - Sudarshana (mountain name), beautiful to behold

• राजन् (rājan) - O King

• सततम् (satatam) - always, constantly, perpetually

• अध्यास्ते (adhyāste) - dwells, inhabits, presides over, sits upon

• रम्भः (rambhaḥ) - Rambha (proper name)

• नाम (nāma) - by name, indeed, specifically

• एषः (eṣaḥ) - this, this one

• यूथपः (yūthapaḥ) - troop leader, chief of a band

Words meanings and morphology

विन्ध्यम् (vindhyam) - Vindhya (mountain range)

(proper noun)

Accusative, masculine, singular of vindhya

vindhya - Vindhya (a mountain range in central India)

कृष्णगिरिम् (kṛṣṇagirim) - Krishnagiri (Black Mountain)

(proper noun)

Accusative, masculine, singular of kṛṣṇagiri

kṛṣṇagiri - Black Mountain (a specific mountain or class of mountains)

Compound type : tatpuruṣa (kṛṣṇa+giri)

• kṛṣṇa – black, dark, dark-blue
  adjective
• giri – mountain, hill
  noun (masculine)

सह्यम् (sahyam) - Sahya (mountain range)

(proper noun)

Accusative, masculine, singular of sahya

sahya - Sahya (a mountain range, part of the Western Ghats)

पर्वतम् (parvatam) - mountain

(noun)

Accusative, masculine, singular of parvata

parvata - mountain, hill

च (ca) - and

(indeclinable)

सुदर्शनम् (sudarśanam) - Sudarshana (mountain name), beautiful to behold

(proper noun)

Accusative, masculine, singular of sudarśana

sudarśana - beautiful to behold, handsome; a specific mountain name

Compound type : bahuvrīhi (su+darśana)

• su – good, well, excellent
  indeclinable
• darśana – seeing, sight, aspect
  noun (neuter)
  From root dṛś ('to see')
  Root: dṛś (class 1)

राजन् (rājan) - O King

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

सततम् (satatam) - always, constantly, perpetually

(indeclinable)

Note: Used adverbially here.

अध्यास्ते (adhyāste) - dwells, inhabits, presides over, sits upon

(verb)

3rd person , singular, middle, present indicative (laṭ) of ās

Root: ās (class 2)

रम्भः (rambhaḥ) - Rambha (proper name)

(proper noun)

Nominative, masculine, singular of rambha

rambha - Rambha (name of a monkey chief, or a plantain tree)

नाम (nāma) - by name, indeed, specifically

(indeclinable)

एषः (eṣaḥ) - this, this one

(pronoun)

Nominative, masculine, singular of etad

etad - this, this one (demonstrative pronoun)

यूथपः (yūthapaḥ) - troop leader, chief of a band

(noun)

Nominative, masculine, singular of yūthapa

yūthapa - leader of a troop or band, chief

Compound type : tatpuruṣa (yūtha+pa)

• yūtha – troop, band, herd, multitude
  noun (neuter)
• pa – protector, keeper, leader
  noun (masculine)
  From root pā ('to protect')
  Root: pā (class 2)