महाभारतः mahābhārataḥ - book-12, chapter-159, verse-27

यदेकरात्रेण करोति पापं कृष्णं वर्णं ब्राह्मणः सेवमानः ।
स्थानासनाभ्यां विचरन्व्रती संस्त्रिभिर्वर्षैः शमयेदात्मपापम् ॥२७॥

27. yadekarātreṇa karoti pāpaṁ; kṛṣṇaṁ varṇaṁ brāhmaṇaḥ sevamānaḥ ,
sthānāsanābhyāṁ vicaranvratī saṁ;stribhirvarṣaiḥ śamayedātmapāpam.

27. yat ekarātreṇa karoti pāpam kṛṣṇam
varṇam brāhmaṇaḥ sevamānaḥ
sthāna-āsanābhyām vicaran vratī san
tribhiḥ varṣaiḥ śamayet ātma-pāpam

27. Whatever sin a Brahmin commits in a single night by associating (sevamānaḥ) with a person of a low social class (kṛṣṇa varṇa), being a vowed ascetic (vratī), by moving about (vicaran) while standing and sitting (sthānāsanābhyām), he should atone for his own sin (ātmapāpam) over three years.

Words meanings summery:

• यत् (yat) - whatever, which

• एकरात्रेण (ekarātreṇa) - in one night

• करोति (karoti) - does, performs, commits

• पापम् (pāpam) - sin, evil deed

• कृष्णम् (kṛṣṇam) - dark, black

• वर्णम् (varṇam) - social class, caste (referring to a low social class) (color, social class)

• ब्राह्मणः (brāhmaṇaḥ) - a Brahmin

• सेवमानः (sevamānaḥ) - serving, associating with, attending to

• स्थान-आसनाभ्याम् (sthāna-āsanābhyām) - through penances involving standing and sitting (by standing and sitting)

• विचरन् (vicaran) - moving about (as part of an ascetic practice) (wandering, moving about)

• व्रती (vratī) - one who observes a vow, an ascetic

• सन् (san) - being, existing

• त्रिभिः (tribhiḥ) - by three

• वर्षैः (varṣaiḥ) - over three years (by years)

• शमयेत् (śamayet) - should expiate or purify (should atone for, should quell, should pacify)

• आत्म-पापम् (ātma-pāpam) - one's own sin, self-sin

Words meanings and morphology

यत् (yat) - whatever, which

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, whatever

एकरात्रेण (ekarātreṇa) - in one night

(noun)

Instrumental, neuter, singular of ekarātra

ekarātra - one night, a period of one night

Compound type : dvigu (eka+rātra)

• eka – one, single
  numeral
• rātra – night (as suffix)
  noun (neuter)

करोति (karoti) - does, performs, commits

(verb)

3rd person , singular, active, present (lat) of kṛ

Root: kṛ (class 8)

पापम् (pāpam) - sin, evil deed

(noun)

Accusative, neuter, singular of pāpa

pāpa - sin, evil, wicked

कृष्णम् (kṛṣṇam) - dark, black

(adjective)

Accusative, masculine, singular of kṛṣṇa

kṛṣṇa - dark, black; a name of Vishnu/Krishna

Note: Agrees with 'varṇam'.

वर्णम् (varṇam) - social class, caste (referring to a low social class) (color, social class)

(noun)

Accusative, masculine, singular of varṇa

varṇa - color, appearance, social class, caste

ब्राह्मणः (brāhmaṇaḥ) - a Brahmin

(noun)

Nominative, masculine, singular of brāhmaṇa

brāhmaṇa - Brahmin, one belonging to the priestly class

सेवमानः (sevamānaḥ) - serving, associating with, attending to

(adjective)

Nominative, masculine, singular of sevamāna

sevamāna - serving, attending, associating with

present middle participle

from root sev (to serve)

Root: sev (class 1)

स्थान-आसनाभ्याम् (sthāna-āsanābhyām) - through penances involving standing and sitting (by standing and sitting)

(noun)

Instrumental, neuter, dual of sthānāsana

sthānāsana - standing and sitting (as a pair)

Compound type : dvandva (sthāna+āsana)

• sthāna – standing, place
  noun (neuter)
  Root: sthā (class 1)
• āsana – sitting, seat
  noun (neuter)
  Root: ās (class 2)

विचरन् (vicaran) - moving about (as part of an ascetic practice) (wandering, moving about)

(adjective)

Nominative, masculine, singular of vicaran

vicaran - wandering, moving about

present active participle

from root car with upasarga vi (to wander)

Prefix: vi

Root: car (class 1)

व्रती (vratī) - one who observes a vow, an ascetic

(noun)

Nominative, masculine, singular of vratin

vratin - one who observes a vow, an ascetic, devout

possessive suffix -in

सन् (san) - being, existing

(adjective)

Nominative, masculine, singular of sat

sat - being, existing, good

present active participle

from root as (to be)

Root: as (class 2)

त्रिभिः (tribhiḥ) - by three

(numeral)

वर्षैः (varṣaiḥ) - over three years (by years)

(noun)

Instrumental, neuter, plural of varṣa

varṣa - year, rain, monsoon

Root: vṛṣ (class 1)

शमयेत् (śamayet) - should expiate or purify (should atone for, should quell, should pacify)

(verb)

3rd person , singular, active, optative (liṅ) of śam

causative of śam

Root: śam (class 4)

आत्म-पापम् (ātma-pāpam) - one's own sin, self-sin

(noun)

Accusative, neuter, singular of ātmapāpa

ātmapāpa - one's own sin

Compound type : tatpuruṣa (ātman+pāpa)

• ātman – self, soul, spirit
  noun (masculine)
• pāpa – sin, evil
  noun (neuter)