महाभारतः mahābhārataḥ - book-12, chapter-61, verse-19

ब्रह्मचारी व्रती नित्यं नित्यं दीक्षापरो वशी ।
अविचार्य तथा वेदं कृत्यं कुर्वन्वसेत्सदा ॥१९॥

19. brahmacārī vratī nityaṁ nityaṁ dīkṣāparo vaśī ,
avicārya tathā vedaṁ kṛtyaṁ kurvanvasetsadā.

19. brahmacārī vratī nityam nityam dīkṣā-paraḥ vaśī
avicārya tathā vedam kṛtyam kurvan vaset sadā

19. brahmacārī vratī nityam nityam dīkṣā-paraḥ vaśī
tathā avicārya vedam kṛtyam kurvan sadā vaset

19. A student observing chastity (brahmacārī) should always be observant of his vows (vrata), constantly dedicated to his initiation (dīkṣā) and self-controlled. Similarly, without overly contemplating the Veda, he should always live performing his prescribed duty.

Words meanings summery:

• ब्रह्मचारी (brahmacārī) - a celibate student (brahmacārī), a stage of life (āśrama) (a student observing a chaste life)

• व्रती (vratī) - observant of vows (one who observes vows or sacred duties)

• नित्यम् (nityam) - always (always, constantly, perpetually)

• नित्यम् (nityam) - constantly (always, constantly, perpetually)

• दीक्षा-परः (dīkṣā-paraḥ) - dedicated to his sacred obligations (dīkṣā) (intent on initiation, devoted to vows)

• वशी (vaśī) - self-controlled (self-controlled, master of oneself)

• अविचार्य (avicārya) - without overly contemplating (without considering, without deliberating)

• तथा (tathā) - similarly (thus, so, similarly)

• वेदम् (vedam) - the sacred texts (Veda) (Veda, sacred knowledge)

• कृत्यम् (kṛtyam) - his prescribed duty (duty, what should be done, action)

• कुर्वन् (kurvan) - performing (his duty) (doing, performing)

• वसेत् (vaset) - he should live (he should dwell, he should live, he should reside)

• सदा (sadā) - always (always, ever, constantly)

Words meanings and morphology

ब्रह्मचारी (brahmacārī) - a celibate student (brahmacārī), a stage of life (āśrama) (a student observing a chaste life)

(noun)

Nominative, masculine, singular of brahmacārin

brahmacārin - one who practices brahmacarya, a celibate student, a religious student

Compound: brahman (Veda/sacred knowledge) + cārin (practitioner, follower).

Compound type : tatpurusha (brahman+cārin)

• brahman – sacred knowledge, Veda, ultimate reality (brahman)
  noun (neuter)
• cārin – moving, going, practicing, follower
  adjective (masculine)
  derived from √car (to move, practice)
  Root: car (class 1)

Note: Subject of the sentence.

व्रती (vratī) - observant of vows (one who observes vows or sacred duties)

(adjective)

Nominative, masculine, singular of vratin

vratin - observing a vow, ascetic, devout, one who has taken a vow

Derived from vrata (vow) + -in suffix.

Note: Agrees with `brahmacārī`.

नित्यम् (nityam) - always (always, constantly, perpetually)

(indeclinable)

Note: Adverbial use.

नित्यम् (nityam) - constantly (always, constantly, perpetually)

(indeclinable)

Note: Adverbial use, emphasizes repetition.

दीक्षा-परः (dīkṣā-paraḥ) - dedicated to his sacred obligations (dīkṣā) (intent on initiation, devoted to vows)

(adjective)

Nominative, masculine, singular of dīkṣā-para

dīkṣā-para - intent on or devoted to initiation, dedication, solemn observance (dīkṣā)

Compound: dīkṣā (initiation/vow) + para (intent on, devoted to).

Compound type : tatpurusha (dīkṣā+para)

• dīkṣā – initiation, consecration, religious vow
  noun (feminine)
  derived from √dīkṣ (to consecrate)
  Root: dīkṣ (class 1)
• para – supreme, ultimate, devoted to, intent on
  adjective (masculine)

Note: Agrees with `brahmacārī`.

वशी (vaśī) - self-controlled (self-controlled, master of oneself)

(adjective)

Nominative, masculine, singular of vaśin

vaśin - being at will, independent, self-controlled, master

Derived from vaśa (will, control) + -in suffix.

Root: vaś (class 2)

Note: Agrees with `brahmacārī`.

अविचार्य (avicārya) - without overly contemplating (without considering, without deliberating)

(indeclinable)

Absolutive (Gerund)

A-privative + vi- + √car (to move, consider).

Compound type : nañ-tatpuruṣa (a+vicārya)

• a – not, un-
  indeclinable
• vicārya – having considered, having deliberated (absolutive)
  indeclinable
  Absolutive
  derived from vi-√car
  Prefix: vi
  Root: car (class 1)

Note: Governs `vedam`.

तथा (tathā) - similarly (thus, so, similarly)

(indeclinable)

Note: Connects ideas.

वेदम् (vedam) - the sacred texts (Veda) (Veda, sacred knowledge)

(noun)

Accusative, masculine, singular of veda

veda - sacred knowledge, the Vedas (Veda), holy scripture

derived from √vid (to know).

Root: vid (class 2)

Note: Object of `avicārya`.

कृत्यम् (kṛtyam) - his prescribed duty (duty, what should be done, action)

(noun)

Accusative, neuter, singular of kṛtya

kṛtya - to be done, proper to be done, duty, action

Gerundive

derived from root √kṛ (to do, make).

Root: kṛ (class 8)

Note: Object of `kurvan`.

कुर्वन् (kurvan) - performing (his duty) (doing, performing)

(adjective)

Nominative, masculine, singular of kurvat

kurvat - doing, making, performing

Present Active Participle

derived from root √kṛ (to do, make).

Root: kṛ (class 8)

Note: Qualifies the implied subject of `vaset`.

वसेत् (vaset) - he should live (he should dwell, he should live, he should reside)

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of √vas

Optative active

3rd person singular, optative mood, active voice

Root: vas (class 1)

Note: Subject is `brahmacārī`.

सदा (sadā) - always (always, ever, constantly)

(indeclinable)

Note: Adverbial, modifies `vaset`.