महाभारतः mahābhārataḥ - book-13, chapter-54, verse-14

गीतध्वनिं सुमधुरं तथैवाध्ययनध्वनिम् ।
हंसान्सुमधुरांश्चापि तत्र शुश्राव पार्थिवः ॥१४॥

14. gītadhvaniṁ sumadhuraṁ tathaivādhyayanadhvanim ,
haṁsānsumadhurāṁścāpi tatra śuśrāva pārthivaḥ.

14. gītadhvanim sumadhuram tathā eva adhyayanadhvanim
| haṃsān sumadhurān ca api tatra śuśrāva pārthivaḥ

14. pārthivaḥ tatra sumadhuram gītadhvanim tathā eva adhyayanadhvanim ca api sumadhurān haṃsān śuśrāva.

14. There, the king (pārthiva) heard very sweet sounds of singing, and similarly, the sound of Vedic study, and also very sweet-voiced swans.

Words meanings summery:

• गीतध्वनिम् (gītadhvanim) - sound of singing

• सुमधुरम् (sumadhuram) - very sweet, melodious

• तथा (tathā) - similarly, thus, so

• एव (eva) - even, just, indeed

• अध्ययनध्वनिम् (adhyayanadhvanim) - sound of study, sound of recitation

• हंसान् (haṁsān) - swans, geese

• सुमधुरान् (sumadhurān) - very sweet-voiced (referring to swans) (very sweet, melodious)

• च (ca) - and, also

• अपि (api) - also, even, too

• तत्र (tatra) - there, in that place

• शुश्राव (śuśrāva) - heard, listened

• पार्थिवः (pārthivaḥ) - king, ruler

Words meanings and morphology

गीतध्वनिम् (gītadhvanim) - sound of singing

(noun)

Accusative, masculine, singular of gītadhvani

gītadhvani - sound of singing, musical note

Compound type : tatpuruṣa (gīta+dhvani)

• gīta – sung, song, chanting
  noun (neuter)
  Past Passive Participle
  From root gai (to sing).
  Root: gai (class 1)
• dhvani – sound, noise, tone
  noun (masculine)
  Root: dhvan (class 1)

सुमधुरम् (sumadhuram) - very sweet, melodious

(adjective)

Accusative, masculine, singular of sumadhura

sumadhura - very sweet, exceedingly charming, melodious

तथा (tathā) - similarly, thus, so

(indeclinable)

एव (eva) - even, just, indeed

(indeclinable)

अध्ययनध्वनिम् (adhyayanadhvanim) - sound of study, sound of recitation

(noun)

Accusative, masculine, singular of adhyayanadhvani

adhyayanadhvani - sound of study, sound of recitation

Compound type : tatpuruṣa (adhyayana+dhvani)

• adhyayana – study, reading, particularly Vedic study
  noun (neuter)
  From root i (to go) with prefixes adhi + ā.
  Prefixes: adhi+ā
  Root: i (class 2)
• dhvani – sound, noise, tone
  noun (masculine)
  Root: dhvan (class 1)

हंसान् (haṁsān) - swans, geese

(noun)

Accusative, masculine, plural of haṃsa

haṁsa - a swan, a goose, a particular kind of mythical bird; soul (ātman)

सुमधुरान् (sumadhurān) - very sweet-voiced (referring to swans) (very sweet, melodious)

(adjective)

Accusative, masculine, plural of sumadhura

sumadhura - very sweet, exceedingly charming, melodious

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

तत्र (tatra) - there, in that place

(indeclinable)

Derived from tad (that) + tral (locative suffix).

शुश्राव (śuśrāva) - heard, listened

(verb)

3rd person , singular, active, perfect (liṭ) of śru

Root: śru (class 5)

पार्थिवः (pārthivaḥ) - king, ruler

(noun)

Nominative, masculine, singular of pārthiva

pārthiva - king, ruler (lit. 'lord of the earth'), earthy, terrestrial

Derived from pṛthivī (earth) + aṇ (possessive suffix).