वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-16, verse-3

अथ मङ्गलवादित्रैः शब्दैः श्रोत्रमनोहरैः ।
प्राबोध्यत महाबाहुर्दशग्रीवो महाबलः ॥३॥

3. atha maṅgalavāditraiḥ śabdaiḥ śrotramanoharaiḥ ,
prābodhyata mahābāhurdaśagrīvo mahābalaḥ.

3. atha maṅgalavāditraiḥ śabdaiḥ śrotramanoharaiḥ
prābodhyata mahābāhuḥ daśagrīvaḥ mahābalaḥ

3. Then, the mighty-armed and immensely powerful Daśagrīva was awakened by the auspicious musical instruments, whose sounds were captivating to the ears.

Words meanings summery:

• अथ (atha) - then, now, thereupon

• मङ्गलवादित्रैः (maṅgalavāditraiḥ) - by auspicious musical instruments

• शब्दैः (śabdaiḥ) - by sounds

• श्रोत्रमनोहरैः (śrotramanoharaiḥ) - captivating to the ears, pleasing to the ear

• प्राबोध्यत (prābodhyata) - was awakened

• महाबाहुः (mahābāhuḥ) - the mighty-armed one

• दशग्रीवः (daśagrīvaḥ) - Rāvaṇa, the king of Laṅkā (Daśagrīva (Rāvaṇa))

• महाबलः (mahābalaḥ) - the immensely powerful one

Words meanings and morphology

अथ (atha) - then, now, thereupon

(indeclinable)

मङ्गलवादित्रैः (maṅgalavāditraiḥ) - by auspicious musical instruments

(noun)

Instrumental, neuter, plural of maṅgalavāditra

maṅgalavāditra - auspicious musical instrument

Compound type : tatpuruṣa (maṅgala+vāditra)

• maṅgala – auspicious, felicitous, prosperity
  adjective (neuter)
• vāditra – musical instrument
  noun (neuter)
  Root: vad (class 1)

शब्दैः (śabdaiḥ) - by sounds

(noun)

Instrumental, masculine, plural of śabda

śabda - sound, word, noise

श्रोत्रमनोहरैः (śrotramanoharaiḥ) - captivating to the ears, pleasing to the ear

(adjective)

Instrumental, masculine, plural of śrotramanohara

śrotramanohara - pleasing to the ear

Compound type : tatpuruṣa (śrotra+manohara)

• śrotra – ear, sense of hearing
  noun (neuter)
• manohara – charming, captivating, beautiful
  adjective (masculine)
  Derived from 'manas' (mind) and root 'hṛ' (to seize, captivate)
  Root: hṛ (class 1)

Note: Agrees with 'śabdaiḥ'

प्राबोध्यत (prābodhyata) - was awakened

(verb)

3rd person , singular, passive, imperfect (laṅ) of bodh

Prefix: pra

Root: budh (class 1)

Note: Passive form of 'prabodh' (to awaken)

महाबाहुः (mahābāhuḥ) - the mighty-armed one

(noun)

Nominative, masculine, singular of mahābāhu

mahābāhu - one with great arms, mighty-armed

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, large, mighty
  adjective
• bāhu – arm
  noun (masculine)

दशग्रीवः (daśagrīvaḥ) - Rāvaṇa, the king of Laṅkā (Daśagrīva (Rāvaṇa))

(proper noun)

Nominative, masculine, singular of daśagrīva

daśagrīva - having ten necks (epithet of Rāvaṇa)

Compound type : bahuvrīhi (daśan+grīvā)

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

महाबलः (mahābalaḥ) - the immensely powerful one

(adjective)

Nominative, masculine, singular of mahābala

mahābala - of great strength, very powerful

Compound type : bahuvrīhi (mahā+bala)

• mahā – great, large, mighty
  adjective
• bala – strength, power
  noun (neuter)

Note: Agrees with Daśagrīva