महाभारतः mahābhārataḥ - book-13, chapter-150, verse-8

कार्यावेतौ हि कालेन धर्मो हि विजयावहः ।
त्रयाणामपि लोकानामालोककरणो भवेत् ॥८॥

8. kāryāvetau hi kālena dharmo hi vijayāvahaḥ ,
trayāṇāmapi lokānāmālokakaraṇo bhavet.

8. kāryau etau hi kālena dharmaḥ hi vijayāvahaḥ
trayāṇām api lokānām ālokakaraṇaḥ bhavet

8. etau kāryau hi kālena dharmaḥ hi vijayāvahaḥ
(saḥ) trayāṇām api lokānām ālokakaraṇaḥ bhavet

8. Indeed, these two (duties) must be accomplished in due course. For natural law (dharma) surely brings victory, and it would be an illuminator for all three worlds.

Words meanings summery:

• कार्यौ (kāryau) - these two duties or actions (to be done, to be performed, duties, actions)

• एतौ (etau) - these two

• हि (hi) - indeed, surely, for

• कालेन (kālena) - by time, in time, in due course

• धर्मः (dharmaḥ) - natural law, intrinsic nature, righteousness, duty

• हि (hi) - indeed, surely, for

• विजयावहः (vijayāvahaḥ) - bringing victory, leading to triumph, causing success

• त्रयाणाम् (trayāṇām) - of the three

• अपि (api) - even, also, too

• लोकानाम् (lokānām) - of the worlds, of the people

• आलोककरणः (ālokakaraṇaḥ) - making light, illuminating, causing to be seen

• भवेत् (bhavet) - would be, might be, should be, become

Words meanings and morphology

कार्यौ (kāryau) - these two duties or actions (to be done, to be performed, duties, actions)

(adjective)

Nominative, masculine, dual of kārya

kārya - to be done, fit to be done, duty, action, business

Gerundive (future passive participle)

Derived from root kṛ (to do) with suffix -ya (Pāṇini 3.1.97, 3.1.124)

Root: kṛ (class 8)

एतौ (etau) - these two

(pronoun)

Nominative, masculine, dual of etas

etas - this

हि (hi) - indeed, surely, for

(indeclinable)

कालेन (kālena) - by time, in time, in due course

(noun)

Instrumental, masculine, singular of kāla

kāla - time, period, season, destiny

धर्मः (dharmaḥ) - natural law, intrinsic nature, righteousness, duty

(noun)

Nominative, masculine, singular of dharma

dharma - natural law, intrinsic nature, righteousness, duty, virtue, custom, religion

Root: dhṛ (class 1)

हि (hi) - indeed, surely, for

(indeclinable)

विजयावहः (vijayāvahaḥ) - bringing victory, leading to triumph, causing success

(adjective)

Nominative, masculine, singular of vijayāvaha

vijayāvaha - bringing victory, causing triumph, bringing success

Derived from vijaya (victory) and āvaha (bringing)

Compound type : tatpuruṣa (vijaya+āvaha)

• vijaya – victory, triumph, conquest
  noun (masculine)
  Prefix: vi
  Root: ji (class 1)
• āvaha – bringing, causing, producing
  adjective (masculine)
  Derived from root vah (to carry) with prefix ā
  Prefix: ā
  Root: vah (class 1)

त्रयाणाम् (trayāṇām) - of the three

(numeral)

अपि (api) - even, also, too

(indeclinable)

लोकानाम् (lokānām) - of the worlds, of the people

(noun)

Genitive, masculine, plural of loka

loka - world, people, universe, realm

Root: lok (class 10)

आलोककरणः (ālokakaraṇaḥ) - making light, illuminating, causing to be seen

(adjective)

Nominative, masculine, singular of ālokakaraṇa

ālokakaraṇa - making visible, illuminating, giving light

Derived from āloka (light, sight) and karaṇa (making)

Compound type : tatpuruṣa (āloka+karaṇa)

• āloka – light, sight, vision, looking at
  noun (masculine)
  Derived from root loc/ruc (to see, shine) with prefix ā
  Prefix: ā
  Root: lok (class 10)
• karaṇa – making, doing, causing, instrument
  noun (neuter)
  Derived from root kṛ (to do) with suffix -ana
  Root: kṛ (class 8)

भवेत् (bhavet) - would be, might be, should be, become

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of bhū

Root: bhū (class 1)