महाभारतः mahābhārataḥ - book-3, chapter-80, verse-65

धर्मारण्यं हि तत्पुण्यमाद्यं च भरतर्षभ ।
यत्र प्रविष्टमात्रो वै पापेभ्यो विप्रमुच्यते ॥६५॥

65. dharmāraṇyaṁ hi tatpuṇyamādyaṁ ca bharatarṣabha ,
yatra praviṣṭamātro vai pāpebhyo vipramucyate.

65. dharma-araṇyam hi tat puṇyam ādyam ca bharatarṣabha
yatra praviṣṭamātraḥ vai pāpebhyas vipramucyate

65. That, O best of Bharatas, is indeed a sacred and primeval forest where natural law (dharma) is upheld, and merely upon entering, one is certainly freed from sins.

Words meanings summery:

• धर्म-अरण्यम् (dharma-araṇyam) - a sacred forest where natural law (dharma) is upheld (a forest of righteousness, a sacred grove)

• हि (hi) - indeed (indeed, certainly, for)

• तत् (tat) - that (that, it)

• पुण्यम् (puṇyam) - sacred (sacred, meritorious, virtuous)

• आद्यम् (ādyam) - primeval (primeval, first, excellent, chief)

• च (ca) - and

• भरतर्षभ (bharatarṣabha) - O best of Bharatas (an address) (O best of Bharatas)

• यत्र (yatra) - where (where, in which case)

• प्रविष्टमात्रः (praviṣṭamātraḥ) - merely upon entering (merely having entered, as soon as one enters)

• वै (vai) - certainly (indeed, certainly)

• पापेभ्यस् (pāpebhyas) - from sins

• विप्रमुच्यते (vipramucyate) - is liberated (is liberated, is freed)

Words meanings and morphology

धर्म-अरण्यम् (dharma-araṇyam) - a sacred forest where natural law (dharma) is upheld (a forest of righteousness, a sacred grove)

(noun)

Nominative, neuter, singular of dharma-araṇya

dharma-araṇya - forest of righteousness, sacred grove

Compound type : tatpurusha (dharma+araṇya)

• dharma – righteousness, natural law, duty, constitution
  noun (masculine)
  Root: dhṛ (class 1)
• araṇya – forest, wilderness
  noun (neuter)

हि (hi) - indeed (indeed, certainly, for)

(indeclinable)

तत् (tat) - that (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

पुण्यम् (puṇyam) - sacred (sacred, meritorious, virtuous)

(adjective)

Nominative, neuter, singular of puṇya

puṇya - sacred, meritorious, virtuous, good deed, merit

आद्यम् (ādyam) - primeval (primeval, first, excellent, chief)

(adjective)

Nominative, neuter, singular of ādya

ādya - primeval, first, excellent, chief, original

च (ca) - and

(indeclinable)

भरतर्षभ (bharatarṣabha) - O best of Bharatas (an address) (O best of Bharatas)

(noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - bull of Bharatas, best of Bharatas

Compound type : tatpurusha (bharata+ṛṣabha)

• bharata – a descendant of Bharata (an ancient king), an Indian
  proper noun (masculine)
• ṛṣabha – bull, best, excellent one
  noun (masculine)

यत्र (yatra) - where (where, in which case)

(indeclinable)

प्रविष्टमात्रः (praviṣṭamātraḥ) - merely upon entering (merely having entered, as soon as one enters)

(adjective)

Nominative, masculine, singular of praviṣṭamātra

praviṣṭamātra - merely entered, as soon as entered

Compound formed from praviṣṭa (past passive participle) and mātra (only).

Compound type : karmadhāraya (praviṣṭa+mātra)

• praviṣṭa – entered, gone in
  adjective (masculine)
  Past Passive Participle
  Derived from root viś with upasarga pra-
  Prefix: pra
  Root: viś (class 6)
• mātra – mere, only, measure
  adjective (masculine)

Note: Refers to the implied subject of vipramucyate.

वै (vai) - certainly (indeed, certainly)

(indeclinable)

पापेभ्यस् (pāpebhyas) - from sins

(noun)

Ablative, neuter, plural of pāpa

pāpa - evil, sin, vice

Note: Could also be dative plural, but ablative is more common for 'freed from'.

विप्रमुच्यते (vipramucyate) - is liberated (is liberated, is freed)

(verb)

3rd person , singular, passive, present (laṭ) of muc

Present Passive

Root muc (6th class), passive voice formation mucyate. Pre-fixed with vi and pra.

Prefixes: vi+pra

Root: muc (class 6)

Note: The subject (implied) is 'one' (praviṣṭamātraḥ).