महाभारतः mahābhārataḥ - book-12, chapter-347, verse-7

विप्रक्षत्रियवैश्यानां शुश्रूषा शूद्रकर्म तत् ।
गृहस्थधर्मो नागेन्द्र सर्वभूतहितैषिता ॥७॥

7. viprakṣatriyavaiśyānāṁ śuśrūṣā śūdrakarma tat ,
gṛhasthadharmo nāgendra sarvabhūtahitaiṣitā.

7. viprakṣatriyavaiśyānām śuśrūṣā śūdrakarma tat
gṛhasthadharmaḥ nāgendra sarvabhūtahitaiṣitā

7. Service to Brahmins, Kṣatriyas, and Vaiśyas—that is the duty (karma) of a śūdra. O lord of nāgas, the householder's natural law (dharma) is the desire for the well-being of all creatures.

Words meanings summery:

• विप्रक्षत्रियवैश्यानाम् (viprakṣatriyavaiśyānām) - of Brahmins, Kṣatriyas, and Vaiśyas

• शुश्रूषा (śuśrūṣā) - service, obedience, attendance

• शूद्रकर्म (śūdrakarma) - the duty (karma) of a śūdra

• तत् (tat) - that, that is

• गृहस्थधर्मः (gṛhasthadharmaḥ) - the natural law (dharma) of a householder

• नागेन्द्र (nāgendra) - A specific address to a powerful nāga (O lord of nāgas (serpent deities))

• सर्वभूतहितैषिता (sarvabhūtahitaiṣitā) - the desire for the well-being of all beings

Words meanings and morphology

विप्रक्षत्रियवैश्यानाम् (viprakṣatriyavaiśyānām) - of Brahmins, Kṣatriyas, and Vaiśyas

(noun)

Genitive, masculine, plural of viprakṣatriyavaiśya

viprakṣatriyavaiśya - Brahmins, Kṣatriyas, and Vaiśyas (members of the first three social classes)

Compound type : dvandva (vipra+kṣatriya+vaiśya)

• vipra – Brahmin, priest
  noun (masculine)
• kṣatriya – a member of the warrior/ruling class
  noun (masculine)
• vaiśya – a member of the merchant/farmer class
  noun (masculine)

शुश्रूषा (śuśrūṣā) - service, obedience, attendance

(noun)

Nominative, feminine, singular of śuśrūṣā

śuśrūṣā - desire to hear, desire to serve, service, attendance

Desiderative noun

From desiderative stem of root śru (to hear)

Root: śru (class 5)

शूद्रकर्म (śūdrakarma) - the duty (karma) of a śūdra

(noun)

Nominative, neuter, singular of śūdrakarma

śūdrakarma - the action or duty belonging to a śūdra

Compound type : tatpurusha (śūdra+karma)

• śūdra – a member of the fourth traditional social class, typically serving the other three
  noun (masculine)
• karma – action, deed, work, duty, destiny
  noun (neuter)
  Verbal noun
  From root kṛ (to do, make)
  Root: kṛ (class 8)

तत् (tat) - that, that is

(pronoun)

Nominative, neuter, singular of tad

tad - that, that one, it

गृहस्थधर्मः (gṛhasthadharmaḥ) - the natural law (dharma) of a householder

(noun)

Nominative, masculine, singular of gṛhasthadharma

gṛhasthadharma - the natural law, duty, or conduct of a householder

Compound type : tatpurusha (gṛhastha+dharma)

• gṛhastha – householder (one who resides in a house)
  noun (masculine)
• dharma – natural law, constitution, duty, righteousness, virtue
  noun (masculine)
  Root: dhṛ (class 3)

नागेन्द्र (nāgendra) - A specific address to a powerful nāga (O lord of nāgas (serpent deities))

(proper noun)

Vocative, masculine, singular of nāgendra

nāgendra - king of serpents, chief of nāgas

Compound type : tatpurusha (nāga+indra)

• nāga – serpent, snake, serpent deity
  noun (masculine)
• indra – chief, lord, best, Indra (Vedic deity)
  noun (masculine)

सर्वभूतहितैषिता (sarvabhūtahitaiṣitā) - the desire for the well-being of all beings

(noun)

Nominative, feminine, singular of sarvabhūtahitaiṣitā

sarvabhūtahitaiṣitā - the state of desiring the welfare of all creatures

Compound type : tatpurusha (sarva+bhūta+hita+eṣitā)

• sarva – all, every, whole
  adjective (masculine)
• bhūta – being, creature, element, existed
  noun (neuter)
  Past Passive Participle
  From root bhū (to be, exist)
  Root: bhū (class 1)
• hita – welfare, benefit, good, beneficial
  noun (neuter)
  Past Passive Participle
  From root dhā (to place, put)
  Root: dhā (class 3)
• eṣitā – desire, wish, seeking
  noun (feminine)
  From root iṣ (to wish, desire) with suffix tā (abstract noun)
  Root: iṣ (class 4)