महाभारतः mahābhārataḥ - book-2, chapter-50, verse-7

अव्यापारः परार्थेषु नित्योद्योगः स्वकर्मसु ।
उद्यमो रक्षणे स्वेषामेतद्वैभवलक्षणम् ॥७॥

7. avyāpāraḥ parārtheṣu nityodyogaḥ svakarmasu ,
udyamo rakṣaṇe sveṣāmetadvaibhavalakṣaṇam.

7. avyāpāraḥ parārtheṣu nityodyogaḥ svakarmasu
udyamaḥ rakṣaṇe sveṣām etat vaibhava-lakṣaṇam

7. Not interfering in the affairs of others, constant diligence in one's own actions (karma), and endeavoring to protect one's own – these are the characteristics of prosperity.

Words meanings summery:

• अव्यापारः (avyāpāraḥ) - non-interference, non-engagement, inactivity

• परार्थेषु (parārtheṣu) - in others' affairs, in matters concerning others

• नित्योद्योगः (nityodyogaḥ) - constant effort, perpetual diligence, continuous exertion

• स्वकर्मसु (svakarmasu) - in one's own actions (karma), in one's duties

• उद्यमः (udyamaḥ) - enterprise, exertion, effort, undertaking

• रक्षणे (rakṣaṇe) - in protecting, for protection

• स्वेषाम् (sveṣām) - of one's own (people, possessions, kinsmen)

• एतत् (etat) - this, these

• वैभव-लक्षणम् (vaibhava-lakṣaṇam) - sign of prosperity, characteristic of greatness

Words meanings and morphology

अव्यापारः (avyāpāraḥ) - non-interference, non-engagement, inactivity

(noun)

Nominative, masculine, singular of avyāpāra

avyāpāra - inactivity, non-engagement, non-interference

Compound type : nañ-tatpuruṣa (a+vyāpāra)

• a – not, non-, un-
  indeclinable
  negative prefix
• vyāpāra – activity, occupation, business, engagement
  noun (masculine)
  from root pṛ with upasargas vi and ā
  Prefixes: vi+ā
  Root: pṛ (class 3)

परार्थेषु (parārtheṣu) - in others' affairs, in matters concerning others

(noun)

Locative, masculine, plural of parārtha

parārtha - another's purpose or object, a matter concerning others

Compound type : ṣaṣṭhī-tatpuruṣa (para+artha)

• para – other, alien, supreme
  adjective
• artha – purpose, meaning, object, affair, wealth
  noun (masculine)
  Root: arth (class 10)

नित्योद्योगः (nityodyogaḥ) - constant effort, perpetual diligence, continuous exertion

(noun)

Nominative, masculine, singular of nityodyoga

nityodyoga - constant effort, perpetual industry

Compound type : karmadhāraya (nitya+udyoga)

• nitya – constant, eternal, perpetual, regular
  adjective
• udyoga – effort, exertion, industry, diligence
  noun (masculine)
  from root yuj with upasarga ut
  Prefix: ut
  Root: yuj (class 7)

स्वकर्मसु (svakarmasu) - in one's own actions (karma), in one's duties

(noun)

Locative, neuter, plural of svakarma

svakarma - one's own action (karma) or duty

Compound type : ṣaṣṭhī-tatpuruṣa (sva+karma)

• sva – own, self, one's own
  pronoun
• karma – action, deed, duty, work (karma)
  noun (neuter)
  Root: kṛ (class 8)

उद्यमः (udyamaḥ) - enterprise, exertion, effort, undertaking

(noun)

Nominative, masculine, singular of udyama

udyama - effort, exertion, enterprise, undertaking

from root yam with upasarga ut

Prefix: ut

Root: yam (class 1)

रक्षणे (rakṣaṇe) - in protecting, for protection

(noun)

Locative, neuter, singular of rakṣaṇa

rakṣaṇa - protecting, guarding, preservation

verbal noun

from root rakṣ (to protect)

Root: rakṣ (class 1)

स्वेषाम् (sveṣām) - of one's own (people, possessions, kinsmen)

(pronoun)

Genitive, plural of sva

sva - own, self, kinsman, wealth

Note: Refers to one's own people or property, implicitly masculine or neuter plural.

एतत् (etat) - this, these

(pronoun)

Nominative, neuter, singular of etad

etad - this (demonstrative pronoun)

Note: Refers to the preceding list of qualities.

वैभव-लक्षणम् (vaibhava-lakṣaṇam) - sign of prosperity, characteristic of greatness

(noun)

Nominative, neuter, singular of vaibhavalakṣaṇa

vaibhavalakṣaṇa - sign of prosperity, characteristic of greatness or power

Compound type : ṣaṣṭhī-tatpuruṣa (vaibhava+lakṣaṇa)

• vaibhava – prosperity, greatness, wealth, glory
  noun (neuter)
  abstract noun from vibhava
• lakṣaṇa – mark, sign, characteristic, symptom
  noun (neuter)
  Root: lakṣ (class 10)