महाभारतः mahābhārataḥ - book-3, chapter-81, verse-132

त्रिरात्रोपोषितः स्नात्वा मुच्यते ब्रह्महत्यया ।
अग्निष्टोमातिरात्राभ्यां फलं विन्दति मानवः ॥१३२॥

132. trirātropoṣitaḥ snātvā mucyate brahmahatyayā ,
agniṣṭomātirātrābhyāṁ phalaṁ vindati mānavaḥ.

132. trirātropoṣitaḥ snātvā mucyate brahmahatyayā
agniṣṭomātirātrābhyām phalam vindati mānavaḥ

132. A human being who has fasted for three nights and then bathed is freed from the sin of killing a brahmin. Such a person obtains the fruit (phala) of performing both an Agniṣṭoma and an Atirātra sacrifice.

Words meanings summery:

• त्रिरात्रोपोषितः (trirātropoṣitaḥ) - one who has fasted for three nights

• स्नात्वा (snātvā) - having bathed

• मुच्यते (mucyate) - is freed, is liberated, is released

• ब्रह्महत्यया (brahmahatyayā) - by the killing of a brahmin, from the sin of killing a brahmin

• अग्निष्टोमातिरात्राभ्याम् (agniṣṭomātirātrābhyām) - by the Agniṣṭoma and Atirātra sacrifices

• फलम् (phalam) - fruit, result, reward

• विन्दति (vindati) - finds, obtains, acquires

• मानवः (mānavaḥ) - a human being, man

Words meanings and morphology

त्रिरात्रोपोषितः (trirātropoṣitaḥ) - one who has fasted for three nights

(adjective)

Nominative, masculine, singular of trirātropoṣita

trirātropoṣita - fasted for three nights

Compound adjective referring to a person who has observed a three-night fast.

Compound type : bahuvrīhi (tri+rātra+upoṣita)

• tri – three
  numeral
• rātra – night
  noun (masculine)
• upoṣita – fasted, having fasted
  adjective (masculine)
  Past Passive Participle
  Derived from root √vas (to dwell) with prefix upa, used in the sense of 'to fast'.
  Prefix: upa
  Root: vas (class 2)

स्नात्वा (snātvā) - having bathed

(indeclinable)

Absolutive (Gerund)

Formed from root √snā with the suffix -tvā.

Root: snā (class 2)

मुच्यते (mucyate) - is freed, is liberated, is released

(verb)

3rd person , singular, middle, present (lat) of muc

Present Tense

Root muc, 6th conjugation, middle voice, present 3rd person singular.

Root: muc (class 6)

Note: Used here in a passive sense.

ब्रह्महत्यया (brahmahatyayā) - by the killing of a brahmin, from the sin of killing a brahmin

(noun)

Instrumental, feminine, singular of brahmahatyā

brahmahatyā - the killing of a brahmin, brahminicide

Compound noun referring to the gravest sin of killing a brahmin.

Compound type : tatpuruṣa (brahman+hatyā)

• brahman – a brahmin, priest
  noun (masculine)
• hatyā – killing, murder
  noun (feminine)
  Root: han

अग्निष्टोमातिरात्राभ्याम् (agniṣṭomātirātrābhyām) - by the Agniṣṭoma and Atirātra sacrifices

(noun)

Instrumental, masculine, dual of agniṣṭomātirātra

agniṣṭomātirātra - Agniṣṭoma and Atirātra (two types of Soma sacrifices)

Compound of two specific Soma sacrifices.

Compound type : dvandva (agniṣṭoma+atirātra)

• agniṣṭoma – a specific Soma sacrifice lasting one day
  noun (masculine)
• atirātra – a specific Soma sacrifice lasting beyond the night
  noun (masculine)

फलम् (phalam) - fruit, result, reward

(noun)

Accusative, neuter, singular of phala

phala - fruit, result, consequence, reward

विन्दति (vindati) - finds, obtains, acquires

(verb)

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

Present Tense

Root vid, 6th conjugation, active voice, present 3rd person singular.

Root: vid (class 6)

मानवः (mānavaḥ) - a human being, man

(noun)

Nominative, masculine, singular of mānava

mānava - human, relating to Manu, a human being

Derived from Manu, referring to his offspring.