महाभारतः mahābhārataḥ - book-12, chapter-92, verse-4

कर्म शूद्रे कृषिर्वैश्ये दण्डनीतिश्च राजनि ।
ब्रह्मचर्यं तपो मन्त्राः सत्यं चापि द्विजातिषु ॥४॥

4. karma śūdre kṛṣirvaiśye daṇḍanītiśca rājani ,
brahmacaryaṁ tapo mantrāḥ satyaṁ cāpi dvijātiṣu.

4. karma śūdre kṛṣiḥ vaiśye daṇḍanītiḥ ca rājani
brahmacaryaṃ tapaḥ mantrāḥ satyaṃ ca api dvijātiṣu

4. śūdre karma,
vaiśye kṛṣiḥ,
ca rājani daṇḍanītiḥ.
ca api dvijātiṣu brahmacaryaṃ tapaḥ mantrāḥ satyaṃ

4. Manual service (karma) is the duty of the Shudra; agriculture, of the Vaishya; and the science of governance (daṇḍanīti) for the king (Kshatriya). Austerity (tapas), sacred formulas (mantra), and truthfulness, along with a life of Vedic study (brahmacarya), are for the twice-born (dvija).

Words meanings summery:

• कर्म (karma) - manual service (karma) (action, deed, work, duty, service)

• शूद्रे (śūdre) - of the Shudra (in the Shudra, for the Shudra)

• कृषिः (kṛṣiḥ) - agriculture (agriculture, cultivation)

• वैश्ये (vaiśye) - of the Vaishya (in the Vaishya, for the Vaishya)

• दण्डनीतिः (daṇḍanītiḥ) - the science of governance (daṇḍanīti) (science of governance, politics, policy)

• च (ca) - and (and, also)

• राजनि (rājani) - for the king (Kshatriya) (in the king, for the king)

• ब्रह्मचर्यं (brahmacaryaṁ) - a life of Vedic study (brahmacarya) (Vedic study, student life, celibacy)

• तपः (tapaḥ) - austerity (tapas) (austerity, penance, heat)

• मन्त्राः (mantrāḥ) - sacred formulas (mantra) (sacred formulas, incantations, spells)

• सत्यं (satyaṁ) - truthfulness (truth, reality)

• च (ca) - and (and, also)

• अपि (api) - along with, also (also, even, too)

• द्विजातिषु (dvijātiṣu) - for the twice-born (dvija) (among the twice-born)

Words meanings and morphology

कर्म (karma) - manual service (karma) (action, deed, work, duty, service)

(noun)

Nominative, neuter, singular of karma

karma - action, deed, work, duty; ritual action

Root: kṛ (class 8)

शूद्रे (śūdre) - of the Shudra (in the Shudra, for the Shudra)

(noun)

Locative, masculine, singular of śūdra

śūdra - member of the fourth social class, Shudra

कृषिः (kṛṣiḥ) - agriculture (agriculture, cultivation)

(noun)

Nominative, feminine, singular of kṛṣi

kṛṣi - agriculture, cultivation, farming

Root: kṛṣ (class 1)

वैश्ये (vaiśye) - of the Vaishya (in the Vaishya, for the Vaishya)

(noun)

Locative, masculine, singular of vaiśya

vaiśya - member of the third social class (trader, farmer), Vaishya

दण्डनीतिः (daṇḍanītiḥ) - the science of governance (daṇḍanīti) (science of governance, politics, policy)

(noun)

Nominative, feminine, singular of daṇḍanīti

daṇḍanīti - science of government, political science, administration of justice

Compound type : tatpurusha (daṇḍa+nīti)

• daṇḍa – stick, rod, staff; punishment, fine; scepter, authority
  noun (masculine)
• nīti – guidance, conduct, policy, ethics, science of polity
  noun (feminine)

च (ca) - and (and, also)

(indeclinable)

राजनि (rājani) - for the king (Kshatriya) (in the king, for the king)

(noun)

Locative, masculine, singular of rājan

rājan - king, ruler

ब्रह्मचर्यं (brahmacaryaṁ) - a life of Vedic study (brahmacarya) (Vedic study, student life, celibacy)

(noun)

Nominative, neuter, singular of brahmacarya

brahmacarya - student life, religious study, celibacy, continence

Compound type : tatpurusha (brahman+carya)

• brahman – Veda; sacred word; universal spirit, Brahman
  noun (neuter)
• carya – conduct, practice, observance
  noun (neuter)

तपः (tapaḥ) - austerity (tapas) (austerity, penance, heat)

(noun)

Nominative, neuter, singular of tapas

tapas - heat, warmth; austerity, penance; religious meditation

मन्त्राः (mantrāḥ) - sacred formulas (mantra) (sacred formulas, incantations, spells)

(noun)

Nominative, masculine, plural of mantra

mantra - sacred word, formula, hymn, incantation

Root: man (class 4)

सत्यं (satyaṁ) - truthfulness (truth, reality)

(noun)

Nominative, neuter, singular of satya

satya - truth, reality, veracity

च (ca) - and (and, also)

(indeclinable)

अपि (api) - along with, also (also, even, too)

(indeclinable)

द्विजातिषु (dvijātiṣu) - for the twice-born (dvija) (among the twice-born)

(noun)

Locative, masculine, plural of dvijāti

dvijāti - twice-born (Brahmin, Kshatriya, Vaishya)

Compound type : bahuvrihi (dvi+jāti)

• dvi – two
  numeral
• jāti – birth, origin, species, kind
  noun (feminine)