महाभारतः mahābhārataḥ - book-3, chapter-91, verse-20

शरीरनियमं ह्याहुर्ब्राह्मणा मानुषं व्रतम् ।
मनोविशुद्धां बुद्धिं च दैवमाहुर्व्रतं द्विजाः ॥२०॥

20. śarīraniyamaṁ hyāhurbrāhmaṇā mānuṣaṁ vratam ,
manoviśuddhāṁ buddhiṁ ca daivamāhurvrataṁ dvijāḥ.

20. śarīraniyamam hi āhuḥ brāhmaṇāḥ mānuṣam vratam
manoviśuddhām buddhim ca daivam āhuḥ vratam dvijāḥ

20. Indeed, Brahmins declare physical discipline to be a human observance. And the twice-born declare a mind-purified intellect to be a divine observance.

Words meanings summery:

• शरीरनियमम् (śarīraniyamam) - physical discipline (bodily discipline, physical control)

• हि (hi) - indeed, for, because

• आहुः (āhuḥ) - they say, they declare

• ब्राह्मणाः (brāhmaṇāḥ) - Brahmins (Brahmins, members of the priestly class)

• मानुषम् (mānuṣam) - human (human, humanly, earthly)

• व्रतम् (vratam) - observance (vow, religious observance, discipline, sacred practice)

• मनोविशुद्धाम् (manoviśuddhām) - purified in mind (mind-purified, pure-minded)

• बुद्धिम् (buddhim) - intellect (intellect, understanding, intelligence)

• च (ca) - and

• दैवम् (daivam) - divine (divine, heavenly, pertaining to gods)

• आहुः (āhuḥ) - they say, they declare

• व्रतम् (vratam) - observance (vow, religious observance, discipline, sacred practice)

• द्विजाः (dvijāḥ) - the twice-born, i.e., Brahmins (twice-born, Brahmin, bird, snake)

Words meanings and morphology

शरीरनियमम् (śarīraniyamam) - physical discipline (bodily discipline, physical control)

(noun)

Accusative, masculine, singular of śarīraniyama

śarīraniyama - bodily restraint, physical discipline

Compound type : tatpurusha (śarīra+niyama)

• śarīra – body
  noun (neuter)
• niyama – restraint, discipline, rule
  noun (masculine)
  Prefix: ni
  Root: yam (class 1)

हि (hi) - indeed, for, because

(indeclinable)

आहुः (āhuḥ) - they say, they declare

(verb)

3rd person , plural, active, perfect (lit) of vac

perfect tense

3rd person plural perfect active, irregular formation from vac, often used with present meaning.

Root: vac (class 2)

Note: Historically from root ah.

ब्राह्मणाः (brāhmaṇāḥ) - Brahmins (Brahmins, members of the priestly class)

(noun)

Nominative, masculine, plural of brāhmaṇa

brāhmaṇa - Brahmin, relating to Brahman, sacerdotal

मानुषम् (mānuṣam) - human (human, humanly, earthly)

(adjective)

Accusative, neuter, singular of mānuṣa

mānuṣa - human, relating to man, human being

Root: man

Note: Accusative singular neuter, agreeing with 'vratam'.

व्रतम् (vratam) - observance (vow, religious observance, discipline, sacred practice)

(noun)

Accusative, neuter, singular of vrata

vrata - vow, religious observance, sacred practice, discipline

Root: vṛ (class 5)

मनोविशुद्धाम् (manoviśuddhām) - purified in mind (mind-purified, pure-minded)

(adjective)

Accusative, feminine, singular of manoviśuddha

manoviśuddha - pure in mind, purified by the mind

Compound type : tatpurusha (manas+viśuddha)

• manas – mind, intellect
  noun (neuter)
  Root: man (class 4)
• viśuddha – pure, clean, purified
  adjective (masculine)
  Past Passive Participle
  from root śudh with upasarga vi
  Prefix: vi
  Root: śudh (class 4)

Note: Agrees with 'buddhim'.

बुद्धिम् (buddhim) - intellect (intellect, understanding, intelligence)

(noun)

Accusative, feminine, singular of buddhi

buddhi - intellect, understanding, intelligence, perception

from root budh

Root: budh (class 1)

च (ca) - and

(indeclinable)

दैवम् (daivam) - divine (divine, heavenly, pertaining to gods)

(adjective)

Accusative, neuter, singular of daiva

daiva - divine, pertaining to a deity, heavenly, destiny

from deva (god)

Note: Accusative singular neuter, agreeing with 'vratam'.

आहुः (āhuḥ) - they say, they declare

(verb)

3rd person , plural, active, perfect (lit) of vac

perfect tense

3rd person plural perfect active, irregular formation from vac, often used with present meaning.

Root: vac (class 2)

Note: Historically from root ah.

व्रतम् (vratam) - observance (vow, religious observance, discipline, sacred practice)

(noun)

Accusative, neuter, singular of vrata

vrata - vow, religious observance, sacred practice, discipline

Root: vṛ (class 5)

द्विजाः (dvijāḥ) - the twice-born, i.e., Brahmins (twice-born, Brahmin, bird, snake)

(noun)

Nominative, masculine, plural of dvija

dvija - twice-born (a Brahmin, a bird, a snake, a tooth)

Compound type : tatpurusha or bahuvrihi (dvi+ja)

• dvi – two
  numeral
• ja – born, produced from
  adjective (masculine)
  suffix for 'born'
  from root jan (to be born)
  Root: jan (class 4)