महाभारतः mahābhārataḥ - book-2, chapter-38, verse-19

येषामर्च्यतमः कृष्णस्त्वं च येषां प्रदर्शकः ।
धर्मवाक्त्वमधर्मज्ञः सतां मार्गादवप्लुतः ॥१९॥

19. yeṣāmarcyatamaḥ kṛṣṇastvaṁ ca yeṣāṁ pradarśakaḥ ,
dharmavāktvamadharmajñaḥ satāṁ mārgādavaplutaḥ.

19. yeṣām arcyatamaḥ kṛṣṇaḥ tvam ca yeṣām pradarśakaḥ
| dharmavāk tvam adharmajñaḥ satām mārgāt avaplutaḥ

19. Kṛṣṇa is the most worshipful to them, and you are their guide. Yet, you, who speak of natural law (dharma), are truly ignorant of natural law (dharma) and have deviated from the path of the virtuous.

Words meanings summery:

• येषाम् (yeṣām) - of whom (of whom, whose (masculine/neuter plural))

• अर्च्यतमः (arcyatamaḥ) - most worshipful (most worshipful, most venerable, most adorable)

• कृष्णः (kṛṣṇaḥ) - Kṛṣṇa (Kṛṣṇa, black)

• त्वम् (tvam) - you

• च (ca) - and (and, also, moreover)

• येषाम् (yeṣām) - of whom (of whom, whose (masculine/neuter plural))

• प्रदर्शकः (pradarśakaḥ) - guide (guide, instructor, one who shows the way)

• धर्मवाक् (dharmavāk) - speaker of natural law (speaker of dharma, one whose speech is dharma, eloquent in dharma)

• त्वम् (tvam) - you

• अधर्मज्ञः (adharmajñaḥ) - ignorant of natural law (ignorant of dharma, unrighteous)

• सताम् (satām) - of the virtuous (of the good, of the virtuous, of the existent)

• मार्गात् (mārgāt) - from the path (from the path, from the way)

• अवप्लुतः (avaplutaḥ) - deviated (fallen, jumped down, deviated, descended)

Words meanings and morphology

येषाम् (yeṣām) - of whom (of whom, whose (masculine/neuter plural))

(pronoun)

Genitive, masculine, plural of yad

yad - who, which, what

अर्च्यतमः (arcyatamaḥ) - most worshipful (most worshipful, most venerable, most adorable)

(adjective)

Nominative, masculine, singular of arcya

arcya - worshipful, venerable

Superlative adjective

Superlative of 'arcya' (gerundive of arc- 'to worship') using -tama suffix.

Root: arc (class 1)

कृष्णः (kṛṣṇaḥ) - Kṛṣṇa (Kṛṣṇa, black)

(proper noun)

Nominative, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa, black, dark

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

च (ca) - and (and, also, moreover)

(indeclinable)

येषाम् (yeṣām) - of whom (of whom, whose (masculine/neuter plural))

(pronoun)

Genitive, masculine, plural of yad

yad - who, which, what

प्रदर्शकः (pradarśakaḥ) - guide (guide, instructor, one who shows the way)

(noun)

Nominative, masculine, singular of pradarśaka

pradarśaka - guide, instructor, one who shows the way

Agent noun

Derived from verb 'darśayati' (causative of dṛś) with prefix 'pra' and suffix '-ka'.

Prefix: pra

Root: dṛś (class 1)

धर्मवाक् (dharmavāk) - speaker of natural law (speaker of dharma, one whose speech is dharma, eloquent in dharma)

(noun)

Nominative, masculine, singular of dharmavāc

dharmavāc - speaker of dharma, whose speech is dharma

Compound type : tatpuruṣa (dharma+vāc)

• dharma – natural law, constitution, duty, righteousness
  noun (masculine)
  Root: dhṛ (class 1)
• vāc – speech, word, voice
  noun (feminine)
  Root: vac (class 2)

Note: `k` ending from `c` due to sandhi in compound, but base is `vāc`.

त्वम् (tvam) - you

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

अधर्मज्ञः (adharmajñaḥ) - ignorant of natural law (ignorant of dharma, unrighteous)

(adjective)

Nominative, masculine, singular of adharmajña

adharmajña - ignorant of dharma, unrighteous

Compound type : nañ-tatpuruṣa (a+dharma+jña)

• a – not, un-
  indeclinable
• dharma – natural law, constitution, duty, righteousness
  noun (masculine)
  Root: dhṛ (class 1)
• jña – knowing, knower
  adjective (masculine)
  Agent noun suffix
  Derived from root jñā (to know).
  Root: jñā (class 9)

सताम् (satām) - of the virtuous (of the good, of the virtuous, of the existent)

(adjective)

Genitive, masculine, plural of sat

sat - good, virtuous, existent, being

Present Active Participle

Present active participle of 'as' (to be).

Root: as (class 2)

मार्गात् (mārgāt) - from the path (from the path, from the way)

(noun)

Ablative, masculine, singular of mārga

mārga - path, way, road, course

Root: mṛj (class 2)

अवप्लुतः (avaplutaḥ) - deviated (fallen, jumped down, deviated, descended)

(adjective)

Nominative, masculine, singular of avapluta

avapluta - fallen, jumped down, deviated, descended

Past Passive Participle

Derived from root 'plu' (to float, to jump) with prefix 'ava'.

Prefix: ava

Root: plu (class 1)

Note: Functions adjectivally to describe 'you'.