महाभारतः mahābhārataḥ - book-13, chapter-6, verse-16

शौचेन लभते विप्रः क्षत्रियो विक्रमेण च ।
वैश्यः पुरुषकारेण शूद्रः शुश्रूषया श्रियम् ॥१६॥

16. śaucena labhate vipraḥ kṣatriyo vikrameṇa ca ,
vaiśyaḥ puruṣakāreṇa śūdraḥ śuśrūṣayā śriyam.

16. śaucena labhate vipraḥ kṣatriyaḥ vikrameṇa ca
vaiśyaḥ puruṣakāreṇa śūdraḥ śuśrūṣayā śriyam

16. vipraḥ śaucena śriyam labhate ca kṣatriyaḥ
vikrameṇa vaiśyaḥ puruṣakāreṇa śūdraḥ śuśrūṣayā

16. A Brahmin (vipra) attains prosperity (śrī) through purity, and a Kshatriya (kṣatriya) through valor. A Vaishya (vaiśya) attains it through personal effort, and a Shudra (śūdra) through service.

Words meanings summery:

• शौचेन (śaucena) - through purity (by purity, by cleanliness)

• लभते (labhate) - attains (obtains, gets, receives)

• विप्रः (vipraḥ) - a Brahmin (vipra) (a Brahmin, learned person, inspired)

• क्षत्रियः (kṣatriyaḥ) - a Kshatriya (kṣatriya) (a Kshatriya, member of the warrior class)

• विक्रमेण (vikrameṇa) - through valor (by valor, by heroism, by mighty step)

• च (ca) - and

• वैश्यः (vaiśyaḥ) - a Vaishya (vaiśya) (a Vaishya, member of the merchant/farmer class)

• पुरुषकारेण (puruṣakāreṇa) - through personal effort (by personal effort, by human exertion)

• शूद्रः (śūdraḥ) - a Shudra (śūdra) (a Shudra, member of the serving class)

• शुश्रूषया (śuśrūṣayā) - through service (by service, by desire to serve)

• श्रियम् (śriyam) - prosperity (prosperity, wealth, glory)

Words meanings and morphology

शौचेन (śaucena) - through purity (by purity, by cleanliness)

(noun)

Instrumental, neuter, singular of śauca

śauca - purity, cleanliness

from śuci

Root: śuc

लभते (labhate) - attains (obtains, gets, receives)

(verb)

3rd person , singular, middle, present (laṭ) of labh

3rd person singular present tense, middle voice

Root: labh (class 1)

विप्रः (vipraḥ) - a Brahmin (vipra) (a Brahmin, learned person, inspired)

(noun)

Nominative, masculine, singular of vipra

vipra - a Brahmin, learned man

Root: vip

क्षत्रियः (kṣatriyaḥ) - a Kshatriya (kṣatriya) (a Kshatriya, member of the warrior class)

(noun)

Nominative, masculine, singular of kṣatriya

kṣatriya - a Kshatriya, member of the warrior or ruling class

Root: kṣi

विक्रमेण (vikrameṇa) - through valor (by valor, by heroism, by mighty step)

(noun)

Instrumental, masculine, singular of vikrama

vikrama - valor, heroism, power

from prefix vi- + root kram (to step)

Prefix: vi

Root: kram (class 1)

च (ca) - and

(indeclinable)

वैश्यः (vaiśyaḥ) - a Vaishya (vaiśya) (a Vaishya, member of the merchant/farmer class)

(noun)

Nominative, masculine, singular of vaiśya

vaiśya - a Vaishya, member of the merchant, agricultural or artisan class

Root: viś

पुरुषकारेण (puruṣakāreṇa) - through personal effort (by personal effort, by human exertion)

(noun)

Instrumental, masculine, singular of puruṣakāra

puruṣakāra - personal effort, human exertion

Compound type : tatpurusha (puruṣa+kāra)

• puruṣa – man, person, human being
  noun (masculine)
  Root: pṛ
• kāra – doing, making, action
  noun (masculine)
  From root kṛ
  Root: kṛ (class 8)

Note: The meaning is 'effort made by a person'.

शूद्रः (śūdraḥ) - a Shudra (śūdra) (a Shudra, member of the serving class)

(noun)

Nominative, masculine, singular of śūdra

śūdra - a Shudra, member of the serving class

शुश्रूषया (śuśrūṣayā) - through service (by service, by desire to serve)

(noun)

Instrumental, feminine, singular of śuśrūṣā

śuśrūṣā - desire to hear, service, obedience

Desiderative nominalization from root śru (to hear)

Root: śru (class 5)

श्रियम् (śriyam) - prosperity (prosperity, wealth, glory)

(noun)

Accusative, feminine, singular of śrī

śrī - prosperity, glory, fortune, beauty, wealth

Root: śrī

Note: Object of 'labhate'.