महाभारतः mahābhārataḥ - book-5, chapter-72, verse-6

सुहृदामप्यवाचीनस्त्यक्तधर्मः प्रियानृतः ।
प्रतिहन्त्येव सुहृदां वाचश्चैव मनांसि च ॥६॥

6. suhṛdāmapyavācīnastyaktadharmaḥ priyānṛtaḥ ,
pratihantyeva suhṛdāṁ vācaścaiva manāṁsi ca.

6. suhṛdām api avācīnaḥ tyaktadharmaḥ priyānṛtaḥ
pratihanti eva suhṛdām vācaḥ ca eva manāṃsi ca

6. Even one who is disrespectful towards friends, who has abandoned his natural law (dharma), and who is fond of lies, certainly obstructs both the words and the minds of his friends.

Words meanings summery:

• सुहृदाम् (suhṛdām) - of friends, to friends

• अपि (api) - even, also, too

• अवाचीनः (avācīnaḥ) - disrespectful, improper speaker, uncourteous

• त्यक्तधर्मः (tyaktadharmaḥ) - one who has abandoned his natural law (dharma), one who has forsaken duty

• प्रियानृतः (priyānṛtaḥ) - one who is fond of lies, liking untruth

• प्रतिहन्ति (pratihanti) - obstructs, strikes back, opposes

• एव (eva) - indeed, certainly, only

• सुहृदाम् (suhṛdām) - of friends, to friends

• वाचः (vācaḥ) - words, speeches

• च (ca) - and, also

• एव (eva) - indeed, certainly, only

• मनांसि (manāṁsi) - minds, thoughts, intellects

• च (ca) - and, also

Words meanings and morphology

सुहृदाम् (suhṛdām) - of friends, to friends

(noun)

Genitive, masculine, plural of suhṛd

suhṛd - friend, well-wisher

अपि (api) - even, also, too

(indeclinable)

अवाचीनः (avācīnaḥ) - disrespectful, improper speaker, uncourteous

(adjective)

Nominative, masculine, singular of avācīna

avācīna - speaking improperly, disrespectful, uncourteous, vulgar

Compound type : nañ-tatpuruṣa (a+vācīna)

• a – not, non-
  indeclinable
  Negative prefix
• vācīna – speaking, eloquent
  adjective (masculine)
  Derived from 'vāc' (speech)
  Root: vāc

त्यक्तधर्मः (tyaktadharmaḥ) - one who has abandoned his natural law (dharma), one who has forsaken duty

(adjective)

Nominative, masculine, singular of tyaktadharma

tyaktadharma - one who has abandoned natural law (dharma)/duty

Compound type : bahuvrīhi (tyakta+dharma)

• tyakta – abandoned, forsaken, given up
  adjective (masculine)
  Past Passive Participle
  Derived from √tyaj (to abandon)
  Root: tyaj (class 1)
• dharma – natural law, constitution, duty, righteousness, virtue, custom
  noun (masculine)
  Root: dhṛ (class 1)

प्रियानृतः (priyānṛtaḥ) - one who is fond of lies, liking untruth

(adjective)

Nominative, masculine, singular of priyānṛta

priyānṛta - fond of untruth, liking lies

Compound type : bahuvrīhi (priya+anṛta)

• priya – dear, beloved, pleasing
  adjective (masculine)
• anṛta – untruth, falsehood, lie
  noun (neuter)
  Prefix: a

प्रतिहन्ति (pratihanti) - obstructs, strikes back, opposes

(verb)

3rd person , singular, active, present (laṭ) of pratihan

Present Tense, Parasmaipada

3rd person, singular

Prefix: prati

Root: han (class 2)

एव (eva) - indeed, certainly, only

(indeclinable)

सुहृदाम् (suhṛdām) - of friends, to friends

(noun)

Genitive, masculine, plural of suhṛd

suhṛd - friend, well-wisher

वाचः (vācaḥ) - words, speeches

(noun)

Accusative, feminine, plural of vāc

vāc - speech, word, voice, language

Note: Contextually, it's the object of pratihanti.

च (ca) - and, also

(indeclinable)

एव (eva) - indeed, certainly, only

(indeclinable)

मनांसि (manāṁsi) - minds, thoughts, intellects

(noun)

Accusative, neuter, plural of manas

manas - mind, intellect, thought, understanding, spirit, conscience

Note: Also Nominative Plural, but here object of verb.

च (ca) - and, also

(indeclinable)