महाभारतः mahābhārataḥ - book-12, chapter-182, verse-3

शौचाचारस्थितः सम्यग्विघसाशी गुरुप्रियः ।
नित्यव्रती सत्यपरः स वै ब्राह्मण उच्यते ॥३॥

3. śaucācārasthitaḥ samyagvighasāśī gurupriyaḥ ,
nityavratī satyaparaḥ sa vai brāhmaṇa ucyate.

3. śaucācārasthitaḥ samyak vighasāśī gurupriyaḥ
nityavratī satyaparaḥ sa vai brāhmaṇaḥ ucyate

3. saḥ vai brāhmaṇaḥ ucyate,
(yaḥ) śaucācārasthitaḥ samyak vighasāśī gurupriyaḥ nityavratī satyaparaḥ

3. ...who is truly established in purity and good conduct, partakes of remnants, is dear to his guru, observes vows regularly, and is devoted to truth — he indeed is called a Brahmin.

Words meanings summery:

• शौचाचारस्थितः (śaucācārasthitaḥ) - established in purity and good conduct

• सम्यक् (samyak) - properly, truly, completely

• विघसाशी (vighasāśī) - one who partakes of remnants

• गुरुप्रियः (gurupriyaḥ) - dear to the guru, teacher's favorite

• नित्यव्रती (nityavratī) - observing vows regularly, always performing vows

• सत्यपरः (satyaparaḥ) - devoted to truth, intent on truth

• स (sa) - he

• वै (vai) - indeed, certainly

• ब्राह्मणः (brāhmaṇaḥ) - a Brahmin

• उच्यते (ucyate) - is called, is said

Words meanings and morphology

शौचाचारस्थितः (śaucācārasthitaḥ) - established in purity and good conduct

(adjective)

Nominative, masculine, singular of śaucācārasthita

śaucācārasthita - one who is established in purity and good conduct

Compound type : tatpurusha (śaucācāra+sthita)

• śaucācāra – purity and good conduct
  noun (masculine)
• sthita – established, situated, standing
  adjective (masculine)
  Past Passive Participle
  Derived from root sthā (to stand)
  Root: sthā (class 1)

सम्यक् (samyak) - properly, truly, completely

(indeclinable)

Adverbial form of samyac

Prefix: sam

Root: añc (class 1)

विघसाशी (vighasāśī) - one who partakes of remnants

(adjective)

Nominative, masculine, singular of vighasāśin

vighasāśin - one who eats vighasa (remnants of an oblation or food left after feeding guests/Brahmanas)

Compound type : tatpurusha (vighasa+āśin)

• vighasa – remnants of food (after feeding others)
  noun (masculine)
• āśin – one who eats, eater
  adjective (masculine)
  Nominal agent noun
  Derived from root aś (to eat) with -in suffix
  Root: aś (class 9)

गुरुप्रियः (gurupriyaḥ) - dear to the guru, teacher's favorite

(adjective)

Nominative, masculine, singular of gurupriya

gurupriya - dear to one's teacher

Compound type : tatpurusha (guru+priya)

• guru – teacher, spiritual preceptor, heavy, important
  noun (masculine)
• priya – dear, beloved, favorite
  adjective (masculine)

नित्यव्रती (nityavratī) - observing vows regularly, always performing vows

(adjective)

Nominative, masculine, singular of nityavratin

nityavratin - one who observes perpetual vows

Compound type : bahuvrihi (nitya+vratin)

• nitya – constant, eternal, regular, perpetual
  adjective (masculine)
• vratin – one who has a vow, engaged in a vow, observing a vow
  adjective (masculine)

सत्यपरः (satyaparaḥ) - devoted to truth, intent on truth

(adjective)

Nominative, masculine, singular of satyapara

satyapara - devoted to truth, truthful

Compound type : tatpurusha (satya+para)

• satya – truth, true
  noun (neuter)
• para – devoted to, intent on, supreme, highest
  adjective (masculine)

स (sa) - he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

वै (vai) - indeed, certainly

(indeclinable)

ब्राह्मणः (brāhmaṇaḥ) - a Brahmin

(noun)

Nominative, masculine, singular of brāhmaṇa

brāhmaṇa - Brahmin (member of the priestly class), relating to Brahman

उच्यते (ucyate) - is called, is said

(verb)

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

Present tense, passive voice

Root: vac (class 2)