महाभारतः mahābhārataḥ - book-2, chapter-63, verse-8

वैशंपायन उवाच ।
राधेयस्य वचः श्रुत्वा राजा दुर्योधनस्तदा ।
युधिष्ठिरमुवाचेदं तूष्णींभूतमचेतसम् ॥८॥

8. vaiśaṁpāyana uvāca ,
rādheyasya vacaḥ śrutvā rājā duryodhanastadā ,
yudhiṣṭhiramuvācedaṁ tūṣṇīṁbhūtamacetasam.

8. vaiśampāyana uvāca rādheyasya vacaḥ śrutvā rājā duryodhanaḥ
tadā yudhiṣṭhiram uvāca idam tūṣṇīmbhūtam acetasam

8. Vaiśampāyana said: Having then heard the words of the son of Rādhā (Rādheya / Karṇa), King Duryodhana then spoke these words to Yudhiṣṭhira, who had become silent and was senseless.

Words meanings summery:

• वैशम्पायन (vaiśampāyana) - Vaiśampāyana

• उवाच (uvāca) - said, spoke

• राधेयस्य (rādheyasya) - of Karṇa (son of Rādhā, his foster-mother) (of the son of Rādhā)

• वचः (vacaḥ) - word, speech

• श्रुत्वा (śrutvā) - having heard, after hearing

• राजा (rājā) - king, ruler

• दुर्योधनः (duryodhanaḥ) - Duryodhana (Kaurava prince)

• तदा (tadā) - then, at that time

• युधिष्ठिरम् (yudhiṣṭhiram) - Yudhiṣṭhira (the eldest Pāṇḍava)

• उवाच (uvāca) - said, spoke

• इदम् (idam) - this, these (words)

• तूष्णीम्भूतम् (tūṣṇīmbhūtam) - having become silent, silenced

• अचेतसम् (acetasam) - senseless, unconscious, distraught

Words meanings and morphology

वैशम्पायन (vaiśampāyana) - Vaiśampāyana

(proper noun)

Nominative, masculine, singular of vaiśampāyana

vaiśampāyana - name of a celebrated muni, a pupil of Vyāsa

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Perfect tense, 3rd person singular

Irregular perfect form from root vac (vakti, vacati)

Root: vac (class 2)

राधेयस्य (rādheyasya) - of Karṇa (son of Rādhā, his foster-mother) (of the son of Rādhā)

(proper noun)

Genitive, masculine, singular of rādheya

rādheya - son of Rādhā; patronymic of Karṇa

Derived from Rādhā with the suffix -eya (meaning 'son of')

वचः (vacaḥ) - word, speech

(noun)

Accusative, neuter, singular of vacas

vacas - word, speech, saying

Root: vac (class 2)

श्रुत्वा (śrutvā) - having heard, after hearing

(indeclinable)

Absolutive (Gerund)

Formed with suffix -tvā

Root: śru (class 5)

राजा (rājā) - king, ruler

(noun)

Nominative, masculine, singular of rājan

rājan - king, ruler

दुर्योधनः (duryodhanaḥ) - Duryodhana (Kaurava prince)

(proper noun)

Nominative, masculine, singular of duryodhana

duryodhana - name of the eldest son of Dhṛtarāṣṭra

तदा (tadā) - then, at that time

(indeclinable)

युधिष्ठिरम् (yudhiṣṭhiram) - Yudhiṣṭhira (the eldest Pāṇḍava)

(proper noun)

Accusative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - firm in battle; name of the eldest Pāṇḍava

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Perfect tense, 3rd person singular

Irregular perfect form from root vac (vakti, vacati)

Root: vac (class 2)

इदम् (idam) - this, these (words)

(pronoun)

Accusative, neuter, singular of idam

idam - this, this one

Note: Refers to the following speech.

तूष्णीम्भूतम् (tūṣṇīmbhūtam) - having become silent, silenced

(adjective)

Accusative, masculine, singular of tūṣṇīmbhūta

tūṣṇīmbhūta - having become silent, silenced

Past Passive Participle (secondary derivative)

Derived from tūṣṇīm (silent) + bhūta (become, past passive participle of √bhū)

Compound type : tatpuruṣa (tūṣṇīm+bhūta)

• tūṣṇīm – silently, quietly
  indeclinable
• bhūta – become, been
  adjective (masculine)
  Past Passive Participle
  From root √bhū (to be, become)
  Root: bhū (class 1)

Note: Qualifies Yudhiṣṭhira.

अचेतसम् (acetasam) - senseless, unconscious, distraught

(adjective)

Accusative, masculine, singular of acetas

acetas - senseless, irrational, unconscious, distraught

Compound type : nañ-tatpuruṣa (a+cetas)

• a – not, un-
  indeclinable
• cetas – mind, consciousness, intelligence
  noun (neuter)
  Root: cit (class 1)

Note: Qualifies Yudhiṣṭhira.