वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-90, verse-31

दशास्यो विंशतिभुजः प्रगृहीतशरासनः ।
अदृश्यत दशग्रीवो मैनाक इव पर्वतः ॥३१॥

31. daśāsyo viṃśatibhujaḥ pragṛhītaśarāsanaḥ ,
adṛśyata daśagrīvo maināka iva parvataḥ.

31. daśāsyaḥ viṃśatibhujaḥ pragṛhītaśarāsanaḥ
adṛśyata daśagrīvaḥ mainākaḥ iva parvataḥ

31. daśagrīvaḥ daśāsyaḥ viṃśatibhujaḥ
pragṛhītaśarāsanaḥ mainākaḥ parvataḥ iva adṛśyata

31. The ten-headed (daśāsya), twenty-armed (viṃśatibhuja) Rāvaṇa, holding his bow, appeared like Mount Maināka.

Words meanings summery:

• दशास्यः (daśāsyaḥ) - ten-headed (ten-faced, ten-headed (an epithet of Rāvaṇa))

• विंशतिभुजः (viṁśatibhujaḥ) - twenty-armed (twenty-armed (an epithet of Rāvaṇa))

• प्रगृहीतशरासनः (pragṛhītaśarāsanaḥ) - holding his bow (having taken up a bow, holding a bow)

• अदृश्यत (adṛśyata) - appeared (was seen, appeared)

• दशग्रीवः (daśagrīvaḥ) - Rāvaṇa (the proper noun, by epithet) (ten-necked (epithet of Rāvaṇa))

• मैनाकः (mainākaḥ) - Mount Maināka (Maināka (name of a mountain))

• इव (iva) - like (like, as, as if)

• पर्वतः (parvataḥ) - mountain (mountain, hill)

Words meanings and morphology

दशास्यः (daśāsyaḥ) - ten-headed (ten-faced, ten-headed (an epithet of Rāvaṇa))

(adjective)

Nominative, masculine, singular of daśāsya

daśāsya - ten-faced, ten-headed

Compound type : bahuvrihi (daśa+āsya)

• daśa – ten
  numeral
• āsya – face, mouth
  noun (neuter)

Note: Refers to Rāvaṇa.

विंशतिभुजः (viṁśatibhujaḥ) - twenty-armed (twenty-armed (an epithet of Rāvaṇa))

(adjective)

Nominative, masculine, singular of viṃśatibhuja

viṁśatibhuja - twenty-armed

Compound type : bahuvrihi (viṃśati+bhuja)

• viṃśati – twenty
  numeral
• bhuja – arm
  noun (masculine)

Note: Refers to Rāvaṇa.

प्रगृहीतशरासनः (pragṛhītaśarāsanaḥ) - holding his bow (having taken up a bow, holding a bow)

(adjective)

Nominative, masculine, singular of pragṛhītaśarāsana

pragṛhītaśarāsana - having taken up a bow

Compound type : bahuvrihi (pragṛhīta+śarāsana)

• pragṛhīta – taken up, seized, held
  adjective (neuter)
  Past Passive Participle
  Derived from pra-grah 'to seize, take up'.
  Prefix: pra
  Root: grah (class 9)
• śarāsana – bow (lit. arrow-seat)
  noun (neuter)

Note: Refers to Rāvaṇa.

अदृश्यत (adṛśyata) - appeared (was seen, appeared)

(verb)

3rd person , singular, passive, Imperfect (laṅ) of dṛś

Root: dṛś (class 1)

Note: The 'a' prefix indicates past tense (imperfect).

दशग्रीवः (daśagrīvaḥ) - Rāvaṇa (the proper noun, by epithet) (ten-necked (epithet of Rāvaṇa))

(proper noun)

Nominative, masculine, singular of daśagrīva

daśagrīva - ten-necked, an epithet of Rāvaṇa

Compound type : bahuvrihi (daśa+grīvā)

• daśa – ten
  numeral
• grīvā – neck
  noun (feminine)

Note: Subject of the passive verb 'adṛśyata'.

मैनाकः (mainākaḥ) - Mount Maināka (Maināka (name of a mountain))

(proper noun)

Nominative, masculine, singular of maināka

maināka - name of a mountain, son of Himālaya

Note: Used in comparison with 'iva'.

इव (iva) - like (like, as, as if)

(indeclinable)

Note: Indicates a simile.

पर्वतः (parvataḥ) - mountain (mountain, hill)

(noun)

Nominative, masculine, singular of parvata

parvata - mountain, hill, rock

Note: Completes the simile, comparing Rāvaṇa to a mountain.