महाभारतः mahābhārataḥ - book-13, chapter-90, verse-31

अनृत्विगनुपाध्यायः स चेदग्रासनं व्रजेत् ।
ऋत्विग्भिरननुज्ञातः पङ्क्त्या हरति दुष्कृतम् ॥३१॥

31. anṛtviganupādhyāyaḥ sa cedagrāsanaṁ vrajet ,
ṛtvigbhirananujñātaḥ paṅktyā harati duṣkṛtam.

31. anṛtvik anupādhyāyaḥ saḥ cet agrāsanam vrajet
ṛtvigbhiḥ ananujñātaḥ paṅktyā harati duṣkṛtam

31. saḥ anṛtvik anupādhyāyaḥ cet agrāsanam ṛtvigbhiḥ
ananujñātaḥ vrajet paṅktyā duṣkṛtam harati

31. If a person, not being a ritual priest (ṛtvik) or a teacher, occupies the foremost seat without the permission of the officiating priests, he takes away the merit of the entire row of guests.

Words meanings summery:

• अनृत्विक् (anṛtvik) - one who is not a priest

• अनुपाध्यायः (anupādhyāyaḥ) - one who is not a teacher

• सः (saḥ) - he, that

• चेत् (cet) - if

• अग्रासनम् (agrāsanam) - the foremost seat, the first seat

• व्रजेत् (vrajet) - should go, should occupy

• ऋत्विग्भिः (ṛtvigbhiḥ) - by the priests

• अननुज्ञातः (ananujñātaḥ) - not permitted, not authorized

• पङ्क्त्या (paṅktyā) - by the row, of the row (of guests)

• हरति (harati) - takes away, removes, spoils

• दुष्कृतम् (duṣkṛtam) - sin, bad deed, ill-gotten merit

Words meanings and morphology

अनृत्विक् (anṛtvik) - one who is not a priest

(noun)

Nominative, masculine, singular of anṛtvij

anṛtvij - not a priest, one who is not an ṛtvij

Compound type : nañ-tatpuruṣa (an+ṛtvij)

• an – not, un-
  indeclinable
• ṛtvij – a Vedic ritual (yajña) priest
  noun (masculine)

अनुपाध्यायः (anupādhyāyaḥ) - one who is not a teacher

(noun)

Nominative, masculine, singular of anupādhyāya

anupādhyāya - not a teacher, one who is not an upādhyāya

Compound type : nañ-tatpuruṣa (an+upādhyāya)

• an – not, un-
  indeclinable
• upādhyāya – a teacher, preceptor
  noun (masculine)
  Prefix: upa

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

चेत् (cet) - if

(indeclinable)

अग्रासनम् (agrāsanam) - the foremost seat, the first seat

(noun)

Accusative, neuter, singular of agrāsana

agrāsana - foremost seat, chief seat

Compound type : karmadhāraya (agra+āsana)

• agra – front, tip, top, foremost
  noun (neuter)
• āsana – seat, sitting, posture
  noun (neuter)
  Derived from root `ās` (to sit)
  Root: ās (class 2)

व्रजेत् (vrajet) - should go, should occupy

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of vraj

Root: vraj (class 1)

ऋत्विग्भिः (ṛtvigbhiḥ) - by the priests

(noun)

Instrumental, masculine, plural of ṛtvij

ṛtvij - a Vedic ritual (yajña) priest

अननुज्ञातः (ananujñātaḥ) - not permitted, not authorized

(adjective)

Nominative, masculine, singular of ananujñāta

ananujñāta - not permitted, unauthorized

Past Passive Participle

Formed from `anujñā` (to permit) with negative prefix `an-`.

Compound type : nañ-tatpuruṣa (an+anujñāta)

• an – not, un-
  indeclinable
• anujñāta – permitted, allowed, assented to
  adjective (masculine)
  Past Passive Participle
  From `anu-jñā` (to permit)
  Prefix: anu
  Root: jñā (class 9)

पङ्क्त्या (paṅktyā) - by the row, of the row (of guests)

(noun)

Instrumental, feminine, singular of paṅkti

paṅkti - a row, line, series, an assembly of Brahmins

हरति (harati) - takes away, removes, spoils

(verb)

3rd person , singular, active, present indicative (laṭ) of hṛ

Root: hṛ (class 1)

दुष्कृतम् (duṣkṛtam) - sin, bad deed, ill-gotten merit

(noun)

Accusative, neuter, singular of duṣkṛta

duṣkṛta - bad deed, sin, ill-fortune, bad action

Compound type : karmadhāraya (dus+kṛta)

• dus – bad, ill, difficult
  indeclinable
• kṛta – done, made, deed, action
  adjective (neuter)
  Past Passive Participle
  From root `kṛ` (to do, make)
  Root: kṛ (class 8)