महाभारतः mahābhārataḥ - book-13, chapter-129, verse-15

सर्वातिथ्यं त्रिवर्गस्य यथाशक्ति दिवानिशम् ।
शूद्रधर्मः समाख्यातस्त्रिवर्णपरिचारणम् ॥१५॥

15. sarvātithyaṁ trivargasya yathāśakti divāniśam ,
śūdradharmaḥ samākhyātastrivarṇaparicāraṇam.

15. sarvātithyam trivargasya yathāśakti divāniśam
śūdradharmaḥ samākhyātaḥ trivarṇaparicāraṇam

15. trivargasya sarvātithyam divāniśam yathāśakti
trivarṇaparicāraṇam śūdradharmaḥ samākhyātaḥ

15. Hospitality towards all (of the three higher classes), performed day and night according to one's capacity, and service to the three higher classes, is declared to be the specific duty (dharma) of a śūdra.

Words meanings summery:

• सर्वातिथ्यम् (sarvātithyam) - hospitality towards all (three classes) (hospitality to all, universal hospitality)

• त्रिवर्गस्य (trivargasya) - of the three higher social classes (Brāhmaṇa, Kṣatriya, Vaiśya) (of the group of three, of the three aims of human life)

• यथाशक्ति (yathāśakti) - according to capacity, as much as possible

• दिवानिशम् (divāniśam) - day and night, constantly

• शूद्रधर्मः (śūdradharmaḥ) - the specific duty (dharma) of a śūdra (the duty of a śūdra)

• समाख्यातः (samākhyātaḥ) - declared, known, proclaimed

• त्रिवर्णपरिचारणम् (trivarṇaparicāraṇam) - service to the three higher social classes (service to the three classes)

Words meanings and morphology

सर्वातिथ्यम् (sarvātithyam) - hospitality towards all (three classes) (hospitality to all, universal hospitality)

(noun)

neuter, singular of sarvātithya

sarvātithya - hospitality to all, universal hospitality

Compound type : tatpuruṣa (sarva+ātithya)

• sarva – all, every
  adjective
• ātithya – hospitality, guest-duty
  noun (neuter)

त्रिवर्गस्य (trivargasya) - of the three higher social classes (Brāhmaṇa, Kṣatriya, Vaiśya) (of the group of three, of the three aims of human life)

(noun)

Genitive, masculine, singular of trivarga

trivarga - group of three, the three aims of human life (dharma, artha, kāma)

यथाशक्ति (yathāśakti) - according to capacity, as much as possible

(indeclinable)

Compound type : avyayībhāva (yathā+śakti)

• yathā – as, according to
  indeclinable
• śakti – power, capacity
  noun (feminine)

दिवानिशम् (divāniśam) - day and night, constantly

(indeclinable)

Compound type : dvandva (divā+niśā)

• divā – by day, during the day
  indeclinable
• niśā – night
  noun (feminine)

शूद्रधर्मः (śūdradharmaḥ) - the specific duty (dharma) of a śūdra (the duty of a śūdra)

(noun)

Nominative, masculine, singular of śūdradharma

śūdradharma - duty of a śūdra, specific duty/intrinsic nature (dharma) of a śūdra

Compound type : tatpuruṣa (śūdra+dharma)

• śūdra – member of the fourth social class
  noun (masculine)
• dharma – duty, law, intrinsic nature, righteousness
  noun (masculine)
  Root: dhṛ

समाख्यातः (samākhyātaḥ) - declared, known, proclaimed

(adjective)

Nominative, masculine, singular of samākhyāta

samākhyāta - declared, well-known, proclaimed

Past Passive Participle

From verb root `khyā` (to tell, declare) with prefix `sam-ā`.

Prefixes: sam+ā

Root: khyā

त्रिवर्णपरिचारणम् (trivarṇaparicāraṇam) - service to the three higher social classes (service to the three classes)

(noun)

neuter, singular of trivarṇaparicāraṇa

trivarṇaparicāraṇa - service to the three (higher) classes

Compound type : tatpuruṣa (trivarṇa+paricāraṇa)

• trivarṇa – three classes/colors (here, three higher social classes)
  noun (masculine)
• paricāraṇa – serving, attendance, service
  noun (neuter)
  Prefix: pari
  Root: car (class 1)