महाभारतः mahābhārataḥ - book-2, chapter-30, verse-4

दस्युभ्यो वञ्चकेभ्यो वा राजन्प्रति परस्परम् ।
राजवल्लभतश्चैव नाश्रूयन्त मृषा गिरः ॥४॥

4. dasyubhyo vañcakebhyo vā rājanprati parasparam ,
rājavallabhataścaiva nāśrūyanta mṛṣā giraḥ.

4. dasyubhyaḥ vañcakebhyaḥ vā rājan prati parasparam
rājavallabhataḥ ca eva na aśrūyanta mṛṣā giraḥ

4. O King, false statements (mṛṣā giraḥ) were not heard from robbers, or from deceivers, nor from people mutually against each other, and certainly not even from the king's favored officials (rājavallabha).

Words meanings summery:

• दस्युभ्यः (dasyubhyaḥ) - from robbers, from brigands

• वञ्चकेभ्यः (vañcakebhyaḥ) - from deceivers, from cheats

• वा (vā) - or, either

• राजन् (rājan) - O King (the addressee, Janamejaya) (O king)

• प्रति (prati) - against (in the sense of 'directed towards in opposition') (towards, against, concerning)

• परस्परम् (parasparam) - mutually, reciprocally, against each other

• राजवल्लभतः (rājavallabhataḥ) - from the king's favorites/officials, due to royal favorites

• च (ca) - and, also

• एव (eva) - indeed, only, just

• न (na) - not, no

• अश्रूयन्त (aśrūyanta) - were heard

• मृषा (mṛṣā) - false (as an adjective for words) (falsely, vainly, untrue)

• गिरः (giraḥ) - statements, speeches (words, speeches)

Words meanings and morphology

दस्युभ्यः (dasyubhyaḥ) - from robbers, from brigands

(noun)

Ablative, masculine, plural of dasyu

dasyu - robber, brigand, enemy, barbarian

u-ending masculine noun.

Root: das (class 4)

वञ्चकेभ्यः (vañcakebhyaḥ) - from deceivers, from cheats

(noun)

Ablative, masculine, plural of vañcaka

vañcaka - deceiver, cheat, rogue, trickster

From √vañc (to deceive)

Root: vañc (class 1)

वा (vā) - or, either

(indeclinable)

Conjunction

राजन् (rājan) - O King (the addressee, Janamejaya) (O king)

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

n-stem masculine noun.

Root: rāj (class 1)

प्रति (prati) - against (in the sense of 'directed towards in opposition') (towards, against, concerning)

(indeclinable)

Preposition/prefix

परस्परम् (parasparam) - mutually, reciprocally, against each other

(indeclinable)

Compound of para (other) and apara (other) or para and para, implying mutuality.

Compound type : tatpuruṣa (para+apara)

• para – other, distant, supreme
  adjective (masculine)
• apara – other, subsequent
  adjective (masculine)

Note: Adverbial usage, here meaning 'among each other' or 'against each other'.

राजवल्लभतः (rājavallabhataḥ) - from the king's favorites/officials, due to royal favorites

(indeclinable)

Compound of rājan (king) and vallabha (favorite, dear).

Compound type : tatpuruṣa (rājan+vallabha)

• rājan – king, ruler
  noun (masculine)
  From √rāj
  Root: rāj (class 1)
• vallabha – dear, beloved, favorite, a favorite person
  adjective (masculine)

Note: Adverbial usage, indicating source.

च (ca) - and, also

(indeclinable)

Conjunction

एव (eva) - indeed, only, just

(indeclinable)

Emphatic particle

न (na) - not, no

(indeclinable)

Negative particle

Note: Negates the verb 'aśrūyanta'.

अश्रूयन्त (aśrūyanta) - were heard

(verb)

3rd person , plural, passive, past imperfect (laṅ) of śru

Imperfect Passive

Root √śru (5th conjugation), Passive form (yak)

Root: śru (class 5)

मृषा (mṛṣā) - false (as an adjective for words) (falsely, vainly, untrue)

(adjective)

Nominative, feminine, plural of mṛṣā

mṛṣā - falsely, untruly, vainly, for nothing

Adverbial form. Can also function as an adjective.

Note: Adjective modifying 'giraḥ'.

गिरः (giraḥ) - statements, speeches (words, speeches)

(noun)

Nominative, feminine, plural of gir

gir - word, speech, voice, praise

r-ending feminine noun.

Root: gṛ (class 6)

Note: Subject of 'aśrūyanta'.