महाभारतः mahābhārataḥ - book-1, chapter-135, verse-20

विश्वस्तवदविश्वस्ता वञ्चयन्तः पुरोचनम् ।
अतुष्टास्तुष्टवद्राजन्नूषुः परमदुःखिताः ॥२०॥

20. viśvastavadaviśvastā vañcayantaḥ purocanam ,
atuṣṭāstuṣṭavadrājannūṣuḥ paramaduḥkhitāḥ.

20. viśvastavat aviśvastāḥ vañcayantaḥ purocanam
atuṣṭāḥ tuṣṭavat rājan ūṣuḥ paramaduḥkhitāḥ

20. O King, though extremely distressed, they lived there untrusting (aviśvastāḥ) but feigning trust and satisfaction, all the while deceiving Purocana (purocanam).

Words meanings summery:

• विश्वस्तवत् (viśvastavat) - like one who trusts, as if trustworthy, trustfully

• अविश्वस्ताः (aviśvastāḥ) - untrusting, distrustful, not confident

• वञ्चयन्तः (vañcayantaḥ) - deceiving, cheating, beguiling

• पुरोचनम् (purocanam) - Purocana

• अतुष्टाः (atuṣṭāḥ) - dissatisfied, displeased, unhappy

• तुष्टवत् (tuṣṭavat) - like one who is pleased, as if pleased, contentedly

• राजन् (rājan) - O King!

• ऊषुः (ūṣuḥ) - they lived, they dwelled

• परमदुःखिताः (paramaduḥkhitāḥ) - extremely distressed, very sad, greatly afflicted

Words meanings and morphology

विश्वस्तवत् (viśvastavat) - like one who trusts, as if trustworthy, trustfully

(indeclinable)

derived from past passive participle viśvasta with suffix vat (like/as if)

अविश्वस्ताः (aviśvastāḥ) - untrusting, distrustful, not confident

(adjective)

Nominative, masculine, plural of aviśvasta

aviśvasta - untrusting, distrustful, not confident

Past Passive Participle

Prefix a- (negation) + root śvas (to trust) + suffix ta (for past passive participle)

Compound type : nañ-tatpuruṣa (a+viśvasta)

• a – not, non
  indeclinable
  negating prefix
• viśvasta – trusted, confident, trustworthy
  adjective (masculine)
  Past Passive Participle
  root viśvas (to trust) with suffix ta
  Prefix: vi
  Root: śvas (class 2)

वञ्चयन्तः (vañcayantaḥ) - deceiving, cheating, beguiling

(adjective)

Nominative, masculine, plural of vañcayat

vañcayat - deceiving, cheating

Present Active Participle

From causal form of root vañc (to deceive) with śatṛ suffix

Root: vañc (class 1)

पुरोचनम् (purocanam) - Purocana

(proper noun)

Accusative, masculine, singular of purocana

purocana - Purocana (a proper name)

अतुष्टाः (atuṣṭāḥ) - dissatisfied, displeased, unhappy

(adjective)

Nominative, masculine, plural of atuṣṭa

atuṣṭa - dissatisfied, displeased

Past Passive Participle

Prefix a- (negation) + root tuṣ (to be pleased) + suffix ta (for past passive participle)

Compound type : nañ-tatpuruṣa (a+tuṣṭa)

• a – not, non
  indeclinable
  negating prefix
• tuṣṭa – pleased, satisfied
  adjective (masculine)
  Past Passive Participle
  root tuṣ (to be pleased) with suffix ta
  Root: tuṣ (class 4)

तुष्टवत् (tuṣṭavat) - like one who is pleased, as if pleased, contentedly

(indeclinable)

derived from past passive participle tuṣṭa with suffix vat (like/as if)

राजन् (rājan) - O King!

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

Root: rāj

ऊषुः (ūṣuḥ) - they lived, they dwelled

(verb)

3rd person , plural, active, perfect (lit) of vas

Perfect tense, 3rd person plural

From root vas (to dwell), perfect ūṣ stem.

Root: vas (class 1)

परमदुःखिताः (paramaduḥkhitāḥ) - extremely distressed, very sad, greatly afflicted

(adjective)

Nominative, masculine, plural of paramaduḥkhita

paramaduḥkhita - extremely distressed, very sad

Compound of parama (supreme, extreme) and duḥkhita (distressed, made unhappy).

Compound type : karmadhāraya (parama+duḥkhita)

• parama – highest, greatest, supreme, extreme
  adjective (masculine)
• duḥkhita – distressed, grieved, unhappy, afflicted
  adjective (masculine)
  Past Passive Participle
  from noun duḥkha (suffering) + ita suffix indicating 'possessed of' or 'affected by'