वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-4, chapter-27, verse-10

मेघकृष्णाजिनधरा धारायज्ञोपवीतिनः ।
मारुतापूरितगुहाः प्राधीता इव पर्वताः ॥१०॥

10. meghakṛṣṇājinadharā dhārāyajñopavītinaḥ ,
mārutāpūritaguhāḥ prādhītā iva parvatāḥ.

10. megha-kṛṣṇājina-dharāḥ dhārā-yajñopavītinaḥ
māruta-āpūrita-guhāḥ prādhītāḥ iva parvatāḥ

10. megha-kṛṣṇājina-dharāḥ dhārā-yajñopavītinaḥ
māruta-āpūrita-guhāḥ parvatāḥ prādhītāḥ iva

10. The mountains, draped in dark clouds like deer skins, adorned with streams of rain as their sacred threads, and with their caves echoing with the winds, appear like Vedic students engaged in study or recitation.

Words meanings summery:

• मेघ-कृष्णाजिन-धराः (megha-kṛṣṇājina-dharāḥ) - draped in dark clouds like ascetics' deer skins (wearing dark deer-skins of clouds)

• धारा-यज्ञोपवीतिनः (dhārā-yajñopavītinaḥ) - having streams of rain as sacred threads

• मारुत-आपूरित-गुहाः (māruta-āpūrita-guhāḥ) - having caves filled with wind

• प्राधीताः (prādhītāḥ) - like Vedic students engaged in study or recitation (having studied, having recited, having been taught)

• इव (iva) - like, as if, as

• पर्वताः (parvatāḥ) - mountains, hills

Words meanings and morphology

मेघ-कृष्णाजिन-धराः (megha-kṛṣṇājina-dharāḥ) - draped in dark clouds like ascetics' deer skins (wearing dark deer-skins of clouds)

(adjective)

Nominative, masculine, plural of megha-kṛṣṇājina-dhara

megha-kṛṣṇājina-dhara - one who bears dark deer-skin-like clouds

Compound type : bahuvrihi (megha+kṛṣṇājina+dhara)

• megha – cloud
  noun (masculine)
• kṛṣṇājina – skin of a black antelope, usually worn by ascetics/students
  noun (neuter)
• dhara – wearing, bearing, holding
  adjective
  From root √dhṛ (to hold, bear).
  Root: dhṛ (class 1)

Note: Nominative plural masculine form of the compound adjective, modifying 'parvatāḥ'.

धारा-यज्ञोपवीतिनः (dhārā-yajñopavītinaḥ) - having streams of rain as sacred threads

(adjective)

Nominative, masculine, plural of dhārā-yajñopavītin

dhārā-yajñopavītin - one who has rain-streams as a sacred thread

Compound type : bahuvrihi (dhārā+yajñopavīta)

• dhārā – stream, current, torrent
  noun (feminine)
• yajñopavīta – sacred thread worn by dvijas, thread of Vedic ritual (yajña)
  noun (neuter)

Note: Nominative plural masculine form of the compound adjective, modifying 'parvatāḥ'.

मारुत-आपूरित-गुहाः (māruta-āpūrita-guhāḥ) - having caves filled with wind

(adjective)

Nominative, masculine, plural of māruta-āpūrita-guhā

māruta-āpūrita-guhā - one whose caves are filled with wind

Compound type : bahuvrihi (māruta+āpūrita-guhā)

• māruta – wind, air, Marut (deity)
  noun (masculine)
• āpūrita – filled, completely filled
  adjective
  Past Passive Participle
  From √pṛ (to fill) with upasarga ā-.
  Prefix: ā
  Root: pṛ (class 9)
• guhā – cave, cavern
  noun (feminine)

Note: Nominative plural masculine form of the compound adjective, modifying 'parvatāḥ'.

प्राधीताः (prādhītāḥ) - like Vedic students engaged in study or recitation (having studied, having recited, having been taught)

(adjective)

Nominative, masculine, plural of prādhīta

prādhīta - studied, recited, learned, skilled in (from √dhī, to think/contemplate, with pra-)

Past Passive Participle

From root √dhyai (to meditate) or √dhī (to think, perceive) with upasarga pra-.

Prefix: pra

Root: dhyai/dhī (class 1)

Note: Nominative plural masculine form of the past passive participle, used as a substantive adjective, referring to scholars/students.

इव (iva) - like, as if, as

(indeclinable)

Note: Indeclinable particle indicating comparison.

पर्वताः (parvatāḥ) - mountains, hills

(noun)

Nominative, masculine, plural of parvata

parvata - mountain, hill

Note: Nominative plural masculine form of 'parvata'.