महाभारतः mahābhārataḥ - book-12, chapter-103, verse-4

प्रायश्चित्तविधिं चात्र जपहोमांश्च तद्विदः ।
मङ्गलानि च कुर्वन्तः शमयन्त्यहितान्यपि ॥४॥

4. prāyaścittavidhiṁ cātra japahomāṁśca tadvidaḥ ,
maṅgalāni ca kurvantaḥ śamayantyahitānyapi.

4. prāyaścittavidhiṃ ca atra japahomān ca tadvidaḥ
| maṅgalāni ca kurvantaḥ śamayanti ahitāni api

4. atra tadvidaḥ prāyaścittavidhiṃ ca japahomān ca
maṅgalāni ca kurvantaḥ ahitāni api śamayanti

4. And here, those who know these methods, by performing expiatory rituals (prāyaścitta), as well as recitations (japa), fire offerings (homa), and other auspicious rites, can even avert misfortunes.

Words meanings summery:

• प्रायश्चित्तविधिं (prāyaścittavidhiṁ) - The specific procedures for cleansing sins or correcting mistakes. (the method of atonement, ritual of expiation)

• च (ca) - Connects the various rituals and acts. (and, also)

• अत्र (atra) - Referring to the current topic of discussion or the present situation. (here, in this matter, on this occasion)

• जपहोमान् (japahomān) - Two common Vedic rituals performed for purification or to invoke blessings. japa (mantra recitation), homa (fire sacrifice). (recitations and fire offerings)

• च (ca) - Connects the various rituals and acts. (and, also)

• तद्विदः (tadvidaḥ) - Referring to those learned in the sacred rites and their efficacy. (those who know that, experts in it)

• मङ्गलानि (maṅgalāni) - Rituals or actions intended to bring good fortune or avert evil. (auspicious things, blessings, good fortune, auspicious rites)

• च (ca) - Connects maṅgalāni with the previous items. (and, also)

• कुर्वन्तः (kurvantaḥ) - Describes the action of "those who know" (tadvidaḥ). (performing, doing, making)

• शमयन्ति (śamayanti) - The effect of performing the rituals - alleviating misfortunes. (they pacify, they calm, they avert, they remove)

• अहितानि (ahitāni) - The negative consequences or obstacles that rituals aim to remove. (evils, misfortunes, hostile things, harmful things)

• अपि (api) - Emphasizes that even severe misfortunes can be averted. (also, even, moreover)

Words meanings and morphology

प्रायश्चित्तविधिं (prāyaścittavidhiṁ) - The specific procedures for cleansing sins or correcting mistakes. (the method of atonement, ritual of expiation)

(noun)

Accusative, masculine, singular of prāyaścittavidhi

prāyaścittavidhi - method of expiation or atonement

Compound of prāyaścitta (expiation, atonement) and vidhi (rule, method).

Compound type : tatpurusha (prāyaścitta+vidhi)

• prāyaścitta – expiation, atonement, penance
  noun (neuter)
• vidhi – rule, method, procedure, ordinance
  noun (masculine)
  Prefix: vi
  Root: dhā (class 3)

च (ca) - Connects the various rituals and acts. (and, also)

(indeclinable)

Conjunction.

अत्र (atra) - Referring to the current topic of discussion or the present situation. (here, in this matter, on this occasion)

(indeclinable)

Locative adverb derived from idam (this).

जपहोमान् (japahomān) - Two common Vedic rituals performed for purification or to invoke blessings. japa (mantra recitation), homa (fire sacrifice). (recitations and fire offerings)

(noun)

Accusative, masculine, plural of japahoma

japahoma - recitation and fire offering

Dvandva compound of japa and homa.

Compound type : dvandva (japa+homa)

• japa – recitation (of prayers or mantras)
  noun (masculine)
  From root jap (to murmur, utter)
  Root: jap (class 1)
• homa – fire offering, sacrifice
  noun (masculine)
  From root hu (to sacrifice, offer)
  Root: hu (class 3)

च (ca) - Connects the various rituals and acts. (and, also)

(indeclinable)

Conjunction.

तद्विदः (tadvidaḥ) - Referring to those learned in the sacred rites and their efficacy. (those who know that, experts in it)

(noun)

Nominative, masculine, plural of tadvid

tadvid - knowing that

Compound of tad (that) and vid (knowing).

Compound type : tatpurusha (tad+vid)

• tad – that
  pronoun (neuter)
• vid – knowing, wise, expert
  adjective (masculine)
  From root vid (to know), agent noun suffix kvip.
  Root: vid (class 2)

मङ्गलानि (maṅgalāni) - Rituals or actions intended to bring good fortune or avert evil. (auspicious things, blessings, good fortune, auspicious rites)

(noun)

Accusative, neuter, plural of maṅgala

maṅgala - auspicious, lucky, good fortune, blessing

च (ca) - Connects maṅgalāni with the previous items. (and, also)

(indeclinable)

Conjunction.

कुर्वन्तः (kurvantaḥ) - Describes the action of "those who know" (tadvidaḥ). (performing, doing, making)

(adjective)

Nominative, masculine, plural of kṛ

kṛ - to do, to make, to perform

Present Active Participle

From root kṛ (to do, make), present active participle. Masculine nominative plural.

Root: kṛ (class 8)

शमयन्ति (śamayanti) - The effect of performing the rituals - alleviating misfortunes. (they pacify, they calm, they avert, they remove)

(verb)

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

Present Tense (causative stem)

From root śam (to be calm), causative stem śam-aya, 3rd plural present active.

Root: śam (class 1)

अहितानि (ahitāni) - The negative consequences or obstacles that rituals aim to remove. (evils, misfortunes, hostile things, harmful things)

(noun)

Accusative, neuter, plural of ahita

ahita - harmful, hostile, disadvantageous, misfortune

Negative prefix a- + hita (beneficial, good).

Compound type : nañ-tatpurusha (a+hita)

• a – not, non-
  indeclinable
  Negative particle.
• hita – placed, set, beneficial, good
  adjective (neuter)
  Past Passive Participle
  From root dhā (to place, set), becomes hita.
  Root: dhā (class 3)

अपि (api) - Emphasizes that even severe misfortunes can be averted. (also, even, moreover)

(indeclinable)

Particle.