महाभारतः mahābhārataḥ - book-12, chapter-36, verse-21

अवकीर्णिनिमित्तं तु ब्रह्महत्याव्रतं चरेत् ।
खरचर्मवासाः षण्मासं तथा मुच्येत किल्बिषात् ॥२१॥

21. avakīrṇinimittaṁ tu brahmahatyāvrataṁ caret ,
kharacarmavāsāḥ ṣaṇmāsaṁ tathā mucyeta kilbiṣāt.

21. avakīrṇinimittam tu brahmahatyāvratam caret
kharacarmavāsāḥ ṣaṇmāsam tathā mucyeta kilbiṣāt

21. avakīrṇinimittam tu brahmahatyāvratam caret
kharacarmavāsāḥ ṣaṇmāsam tathā kilbiṣāt mucyeta

21. Indeed, for a brahmacārin who has broken his vow (of chastity), one should observe the penance prescribed for the killing of a Brahmin. Clad in a donkey's hide for six months, he would thus be freed from sin.

Words meanings summery:

• अवकीर्णिनिमित्तम् (avakīrṇinimittam) - for the brahmacārin who has violated his vow of chastity (on account of one who has broken his vow (of chastity))

• तु (tu) - indeed, for (but, indeed, on the other hand, then)

• ब्रह्महत्याव्रतम् (brahmahatyāvratam) - the penance prescribed for the heinous sin of killing a Brahmin (penance for killing a Brahmin, vow for Brahmin murder)

• चरेत् (caret) - one should undertake or perform (one should perform, one should observe, one should practice)

• खरचर्मवासाः (kharacarmavāsāḥ) - one who is clad in the skin of a donkey (wearing a donkey's hide)

• षण्मासम् (ṣaṇmāsam) - throughout a period of six months (for six months)

• तथा (tathā) - in this way, thereby (thus, so, in that manner)

• मुच्येत (mucyeta) - he would be absolved (he would be freed, he should be freed)

• किल्बिषात् (kilbiṣāt) - from the impurity of his sin (from sin, from fault)

Words meanings and morphology

अवकीर्णिनिमित्तम् (avakīrṇinimittam) - for the brahmacārin who has violated his vow of chastity (on account of one who has broken his vow (of chastity))

(noun)

Accusative, neuter, singular of avakīrṇinimitta

avakīrṇinimitta - for the purpose of a fallen (brahmacārin), due to a vow-breaker

Compound type : tatpuruṣa (avakīrṇin+nimitta)

• avakīrṇin – one who has scattered, one who has broken a vow (esp. of chastity)
  noun (masculine)
  past passive participle used as an agent noun
  Derived from `ava-√kṛ` + `-in` suffix. `kīrṇa` is ppp of `√kṛ` (to scatter).
  Prefix: ava
  Root: kṛ (class 6)
• nimitta – cause, reason, sign, purpose
  noun (neuter)

Note: Adverbial accusative expressing cause or purpose.

तु (tu) - indeed, for (but, indeed, on the other hand, then)

(indeclinable)

Note: Particle.

ब्रह्महत्याव्रतम् (brahmahatyāvratam) - the penance prescribed for the heinous sin of killing a Brahmin (penance for killing a Brahmin, vow for Brahmin murder)

(noun)

Accusative, neuter, singular of brahmahatyāvrata

brahmahatyāvrata - a vow/penance for killing a Brahmin

Compound type : tatpuruṣa (brahmahatyā+vrata)

• brahmahatyā – murder of a Brahmin, brahma-killing
  noun (feminine)
  Root: han (class 2)
• vrata – vow, religious observance, penance, sacred duty
  noun (neuter)
  Root: vṛ (class 9)

Note: Object of `caret`.

चरेत् (caret) - one should undertake or perform (one should perform, one should observe, one should practice)

(verb)

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

optative

3rd person singular, parasmaipada

Root: car (class 1)

खरचर्मवासाः (kharacarmavāsāḥ) - one who is clad in the skin of a donkey (wearing a donkey's hide)

(adjective)

Nominative, masculine, singular of kharacarmavāsas

kharacarmavāsas - wearing a donkey's hide

Compound type : bahuvrīhi (khara+carman+vāsas)

• khara – donkey, ass
  noun (masculine)
• carman – skin, hide, leather
  noun (neuter)
  Root: carm (class 1)
• vāsas – garment, clothing, covering
  noun (neuter)
  Root: vas (class 2)

Note: Refers to the implied subject of `caret` and `mucyeta`.

षण्मासम् (ṣaṇmāsam) - throughout a period of six months (for six months)

(noun)

Accusative, neuter, singular of ṣaṇmāsa

ṣaṇmāsa - six months

Compound type : dvigu (ṣaṣ+māsa)

• ṣaṣ – six
  numeral
• māsa – month
  noun (masculine)

Note: Adverbial accusative of duration.

तथा (tathā) - in this way, thereby (thus, so, in that manner)

(indeclinable)

Note: Adverb.

मुच्येत (mucyeta) - he would be absolved (he would be freed, he should be freed)

(verb)

3rd person , singular, passive, optative (vidhi liṅ) of muc

optative

3rd person singular, ātmanepada (passive form)

Root: muc (class 6)

Note: The subject is implied, 'he' (the avakīrṇin).

किल्बिषात् (kilbiṣāt) - from the impurity of his sin (from sin, from fault)

(noun)

Ablative, neuter, singular of kilbiṣa

kilbiṣa - sin, fault, transgression

Note: Expresses separation from `mucyeta`.