महाभारतः mahābhārataḥ - book-5, chapter-142, verse-27

आत्मजस्य ततस्तस्य घृणिनः सत्यसङ्गिनः ।
गङ्गातीरे पृथाशृण्वदुपाध्ययननिस्वनम् ॥२७॥

27. ātmajasya tatastasya ghṛṇinaḥ satyasaṅginaḥ ,
gaṅgātīre pṛthāśṛṇvadupādhyayananisvanam.

27. ātmajasya tataḥ tasya ghṛṇinaḥ satyasaṅginaḥ
gaṅgātīre pṛthā aśṛṇvat upādhyayananisvanam

27. tataḥ gaṅgātīre pṛthā tasya ātmajasya ghṛṇinaḥ satyasaṅginaḥ upādhyayananisvanam aśṛṇvat.

27. Then, on the bank of the Ganga, Pṛthā (Kuntī) heard the sound of her own compassionate and truth-adhering son (Kārṇa) reciting sacred texts.

Words meanings summery:

• आत्मजस्य (ātmajasya) - of her own son (Kārṇa) (of one's own son, of the son)

• ततः (tataḥ) - then, thereafter (then, therefrom, afterwards, therefore)

• तस्य (tasya) - of him (Kārṇa) (of him, of that)

• घृणिनः (ghṛṇinaḥ) - of the compassionate (one) (of the compassionate, of the hateful/abhorring, of the virtuous)

• सत्यसङ्गिनः (satyasaṅginaḥ) - of the truth-adhering (one) (of one adhering to truth, of one devoted to truth)

• गङ्गातीरे (gaṅgātīre) - on the bank of the Ganga river (on the bank of the Ganga)

• पृथा (pṛthā) - Pṛthā (Kuntī) (Pṛthā (name of Kuntī))

• अशृण्वत् (aśṛṇvat) - she heard (he/she heard, listening)

• उपाध्ययननिस्वनम् (upādhyayananisvanam) - sound of reciting sacred texts (sound of study/recitation)

Words meanings and morphology

आत्मजस्य (ātmajasya) - of her own son (Kārṇa) (of one's own son, of the son)

(noun)

Genitive, masculine, singular of ātmaja

ātmaja - born of oneself, son, daughter

Compound type : tatpuruṣa (ātman+ja)

• ātman – self, soul (ātman), spirit, essence
  noun (masculine)
• ja – born, produced from
  adjective
  From root jan with suffix ḍa
  Root: jan (class 4)

Note: Qualifies 'tasya'

ततः (tataḥ) - then, thereafter (then, therefrom, afterwards, therefore)

(indeclinable)

तस्य (tasya) - of him (Kārṇa) (of him, of that)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

Note: Refers to Kārṇa

घृणिनः (ghṛṇinaḥ) - of the compassionate (one) (of the compassionate, of the hateful/abhorring, of the virtuous)

(adjective)

Genitive, masculine, singular of ghṛṇin

ghṛṇin - compassionate, merciful, virtuous, abhorring, hating

From root ghṛṇ with suffix in

Root: ghṛṇ (class 6)

Note: Qualifies 'tasya'

सत्यसङ्गिनः (satyasaṅginaḥ) - of the truth-adhering (one) (of one adhering to truth, of one devoted to truth)

(adjective)

Genitive, masculine, singular of satyasaṅgin

satyasaṅgin - adhering to truth, devoted to truth

Compound type : tatpuruṣa (satya+saṅgin)

• satya – truth, true, real
  noun (neuter)
• saṅgin – attached to, adhering to, connected with
  adjective (masculine)
  From root sañj with suffix in
  Root: sañj (class 1)

Note: Qualifies 'tasya'

गङ्गातीरे (gaṅgātīre) - on the bank of the Ganga river (on the bank of the Ganga)

(noun)

Locative, neuter, singular of gaṅgātīra

gaṅgātīra - bank of the Ganga

Compound type : tatpuruṣa (gaṅgā+tīra)

• gaṅgā – the Ganga river
  proper noun (feminine)
• tīra – bank, shore
  noun (neuter)

Note: Location where Kuntī heard the sound.

पृथा (pṛthā) - Pṛthā (Kuntī) (Pṛthā (name of Kuntī))

(proper noun)

Nominative, feminine, singular of pṛthā

pṛthā - Pṛthā (name of Kuntī)

Note: Subject of 'aśṛṇvat'

अशृण्वत् (aśṛṇvat) - she heard (he/she heard, listening)

(verb)

3rd person , singular, active, past imperfect (laṅ) of śru

Root: śru (class 5)

उपाध्ययननिस्वनम् (upādhyayananisvanam) - sound of reciting sacred texts (sound of study/recitation)

(noun)

Accusative, neuter, singular of upādhyayananisvana

upādhyayananisvana - the sound of study, recitation

Compound type : tatpuruṣa (upādhyayana+nisvana)

• upādhyayana – study, reading, especially of the Vedas
  noun (neuter)
  From verb root i with prefixes upa and adhi
  Prefixes: upa+adhi
  Root: i (class 2)
• nisvana – sound, noise, voice
  noun (masculine)
  From verb root svan with prefix nis
  Prefix: nis
  Root: svan (class 1)

Note: Object of 'aśṛṇvat'