महाभारतः mahābhārataḥ - book-12, chapter-159, verse-54

उक्तः पशुसमो धर्मो राजन्प्राणिनिपातनात् ।
प्रायश्चित्तान्यथान्यानि प्रवक्ष्याम्यनुपूर्वशः ॥५४॥

54. uktaḥ paśusamo dharmo rājanprāṇinipātanāt ,
prāyaścittānyathānyāni pravakṣyāmyanupūrvaśaḥ.

54. uktaḥ paśusamaḥ dharmaḥ rājan prāṇinipātanāt
prāyaścittāni atha anyāni pravakṣyāmi anupūrvaśaḥ

54. rājan,
prāṇinipātanāt dharmaḥ paśusamaḥ uktaḥ.
atha anyāni prāyaścittāni anupūrvaśaḥ pravakṣyāmi

54. O King, the consequence (dharma) of killing living beings is declared to be similar to (that of killing) an animal. Therefore, I will now explain other specific penances in due order.

Words meanings summery:

• उक्तः (uktaḥ) - declared, said

• पशुसमः (paśusamaḥ) - similar to an animal

• धर्मः (dharmaḥ) - the natural law (dharma) or consequence associated with killing (natural law, rule, consequence)

• राजन् (rājan) - O King!

• प्राणिनिपातनात् (prāṇinipātanāt) - from the killing of living beings

• प्रायश्चित्तानि (prāyaścittāni) - penances, expiations

• अथ (atha) - then, now, therefore

• अन्यानि (anyāni) - other

• प्रवक्ष्यामि (pravakṣyāmi) - I will declare/explain

• अनुपूर्वशः (anupūrvaśaḥ) - in due order, successively

Words meanings and morphology

उक्तः (uktaḥ) - declared, said

(adjective)

Nominative, masculine, singular of ukta

ukta - spoken, said, declared

Past Passive Participle

Derived from root vac (to speak)

Root: vac (class 2)

पशुसमः (paśusamaḥ) - similar to an animal

(adjective)

Nominative, masculine, singular of paśusama

paśusama - equal to an animal, like an animal

Compound type : tatpuruṣa (paśu+sama)

• paśu – animal, beast
  noun (masculine)
• sama – equal, similar, like
  adjective (masculine)

धर्मः (dharmaḥ) - the natural law (dharma) or consequence associated with killing (natural law, rule, consequence)

(noun)

Nominative, masculine, singular of dharma

dharma - natural law, intrinsic nature, constitution, duty, righteousness, virtue, religious merit

राजन् (rājan) - O King!

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

प्राणिनिपातनात् (prāṇinipātanāt) - from the killing of living beings

(noun)

Ablative, neuter, singular of prāṇinipātana

prāṇinipātana - killing of living beings, destruction of life

Compound type : tatpuruṣa (prāṇin+nipātana)

• prāṇin – living being, sentient creature
  noun (masculine)
• nipātana – killing, felling, causing to fall
  noun (neuter)
  Prefix: ni
  Root: pat (class 1)

प्रायश्चित्तानि (prāyaścittāni) - penances, expiations

(noun)

Nominative, neuter, plural of prāyaścitta

prāyaścitta - penance, expiation, atonement, ritual for purification

अथ (atha) - then, now, therefore

(indeclinable)

अन्यानि (anyāni) - other

(pronoun/adjective)

प्रवक्ष्यामि (pravakṣyāmi) - I will declare/explain

(verb)

1st person , singular, active, future (lṛṭ) of pravac

Prefix: pra

Root: vac (class 2)

अनुपूर्वशः (anupūrvaśaḥ) - in due order, successively

(indeclinable)

Adverb derived from 'anupūrva' with the suffix -śas.