महाभारतः mahābhārataḥ - book-13, chapter-90, verse-11

एतानिह विजानीयादपाङ्क्तेयान्द्विजाधमान् ।
शूद्राणामुपदेशं च ये कुर्वन्त्यल्पचेतसः ॥११॥

11. etāniha vijānīyādapāṅkteyāndvijādhamān ,
śūdrāṇāmupadeśaṁ ca ye kurvantyalpacetasaḥ.

11. etāni iha vijānīyāt apāṅkteyān dvijādhamān
śūdrāṇām upadeśam ca ye kurvanti alpacetasaḥ

11. iha ye alpacetasaḥ śūdrāṇām upadeśam kurvanti ca,
etāni apāṅkteyān dvijādhamān vijānīyāt.

11. Here, one should recognize as the lowest among the twice-born (dvija) and unfit for communal dining, those foolish ones who impart instruction to śūdras.

Words meanings summery:

• एतानि (etāni) - these

• इह (iha) - here, in this matter

• विजानीयात् (vijānīyāt) - one should know, should recognize

• अपाङ्क्तेयान् (apāṅkteyān) - those unfit for a line (at a meal), outcasts, excluded from communal dining

• द्विजाधमान् (dvijādhamān) - the lowest among the twice-born (dvija)

• शूद्राणाम् (śūdrāṇām) - of the śūdras

• उपदेशम् (upadeśam) - instruction, teaching

• च (ca) - and

• ये (ye) - who, those who

• कुर्वन्ति (kurvanti) - they do, they perform, they give

• अल्पचेतसः (alpacetasaḥ) - those of little intelligence, foolish

Words meanings and morphology

एतानि (etāni) - these

(pronoun)

Accusative, neuter, plural of etad

etad - this, these

इह (iha) - here, in this matter

(indeclinable)

विजानीयात् (vijānīyāt) - one should know, should recognize

(verb)

3rd person , singular, active, optative (vidhiliṅ) of jñā

Prefix: vi

Root: jñā (class 9)

अपाङ्क्तेयान् (apāṅkteyān) - those unfit for a line (at a meal), outcasts, excluded from communal dining

(adjective)

Accusative, masculine, plural of apāṅkteya

apāṅkteya - unfit for a pāṅkti (line/row for dining), unacceptable for communal dining

From pāṅkti + -eya (fit for) with negative prefix 'a-'.

Compound type : nañ-tatpuruṣa (a+pāṅkteya)

• a – not, non-, un-
  indeclinable
  Negative prefix
• pāṅkteya – fit for a line/row, acceptable for communal dining
  adjective (masculine)
  Derived from pāṅkti (line, row, assembly for dining)

द्विजाधमान् (dvijādhamān) - the lowest among the twice-born (dvija)

(noun)

Accusative, masculine, plural of dvijādhama

dvijādhama - lowest of the twice-born, degraded brahmin

Compound type : tatpuruṣa (dvija+adhama)

• dvija – twice-born; a brahmin, kṣatriya, vaiśya
  noun (masculine)
• adhama – lowest, worst, mean
  adjective (masculine)

शूद्राणाम् (śūdrāṇām) - of the śūdras

(noun)

Genitive, masculine, plural of śūdra

śūdra - a member of the fourth social class

उपदेशम् (upadeśam) - instruction, teaching

(noun)

Accusative, masculine, singular of upadeśa

upadeśa - instruction, teaching, advice

Prefix: upa

Root: diś (class 6)

च (ca) - and

(indeclinable)

ये (ye) - who, those who

(pronoun)

Nominative, masculine, plural of yad

yad - who, which, what, that

कुर्वन्ति (kurvanti) - they do, they perform, they give

(verb)

3rd person , plural, active, present (laṭ) of kṛ

Root: kṛ (class 8)

अल्पचेतसः (alpacetasaḥ) - those of little intelligence, foolish

(adjective)

Nominative, masculine, plural of alpacetas

alpacetas - of small mind or intellect, foolish, ignorant

Compound type : bahuvrihi (alpa+cetas)

• alpa – little, small, few
  adjective
• cetas – mind, intellect, consciousness
  noun (neuter)