महाभारतः mahābhārataḥ - book-12, chapter-236, verse-5

तृतीयमायुषो भागं वानप्रस्थाश्रमे वसेत् ।
तानेवाग्नीन्परिचरेद्यजमानो दिवौकसः ॥५॥

5. tṛtīyamāyuṣo bhāgaṁ vānaprasthāśrame vaset ,
tānevāgnīnparicaredyajamāno divaukasaḥ.

5. tṛtīyam āyuṣaḥ bhāgam vānaprasthāśrame vaset
tān eva agnīn paricaret yajamānaḥ divaukasaḥ

5. āyuṣaḥ tṛtīyam bhāgam vānaprasthāśrame vaset.
yajamānaḥ san,
tān eva agnīn divaukasaḥ paricaret

5. He should reside in the forest-dweller (vānaprastha) stage (āśrama) for the third part of his life. As one performing sacrifices, he should attend to those very fires, (offering to) the celestial beings.

Words meanings summery:

• तृतीयम् (tṛtīyam) - third (neuter/masculine accusative singular)

• आयुषः (āyuṣaḥ) - of life (genitive singular)

• भागम् (bhāgam) - part, share, portion (accusative singular)

• वानप्रस्थाश्रमे (vānaprasthāśrame) - in the forest-dweller (vānaprastha) stage (āśrama)

• वसेत् (vaset) - should dwell, should reside

• तान् (tān) - those (masculine accusative plural)

• एव (eva) - indeed, just, even, only

• अग्नीन् (agnīn) - fires (accusative plural)

• परिचरेत् (paricaret) - should attend, should serve, should worship

• यजमानः (yajamānaḥ) - one who performs sacrifice, sacrificer (nominative singular)

• दिवौकसः (divaukasaḥ) - to the celestials, for whom sacrifices are offered (to the celestials/gods (accusative plural), or celestials (nominative plural))

Words meanings and morphology

तृतीयम् (tṛtīyam) - third (neuter/masculine accusative singular)

(adjective)

Accusative, masculine, singular of tṛtīya

tṛtīya - third

Ordinal number from tri (three)

आयुषः (āyuṣaḥ) - of life (genitive singular)

(noun)

Genitive, neuter, singular of āyus

āyus - life, duration of life, age

Root: i (class 2)

भागम् (bhāgam) - part, share, portion (accusative singular)

(noun)

Accusative, masculine, singular of bhāga

bhāga - part, share, portion, division

From root bhaj (to divide, to share)

Root: bhaj (class 1)

वानप्रस्थाश्रमे (vānaprasthāśrame) - in the forest-dweller (vānaprastha) stage (āśrama)

(noun)

Locative, masculine, singular of vānaprasthāśrama

vānaprasthāśrama - the āśrama (stage of life) of a forest-dweller (vānaprastha)

Compound noun in locative singular

Compound type : tatpuruṣa (vānaprastha+āśrama)

• vānaprastha – forest-dweller, belonging to the third stage of life (vānaprastha āśrama)
  noun (masculine)
  From vana (forest) and prastha (standing, situated)
• āśrama – hermitage, stage of life (āśrama), order of life
  noun (masculine)
  From root śram with prefix ā-
  Prefix: ā
  Root: śram (class 4)

वसेत् (vaset) - should dwell, should reside

(verb)

3rd person , singular, active, optative (vidhiliṅ) of vas

Optative mode

3rd person singular optative active of root vas

Root: vas (class 1)

तान् (tān) - those (masculine accusative plural)

(pronoun)

Accusative, masculine, plural of tad

tad - that, those

एव (eva) - indeed, just, even, only

(indeclinable)

अग्नीन् (agnīn) - fires (accusative plural)

(noun)

Accusative, masculine, plural of agni

agni - fire, god of fire

Root: ag

परिचरेत् (paricaret) - should attend, should serve, should worship

(verb)

3rd person , singular, active, optative (vidhiliṅ) of paricar

Optative mode

3rd person singular optative active of root car with prefix pari-

Prefix: pari

Root: car (class 1)

यजमानः (yajamānaḥ) - one who performs sacrifice, sacrificer (nominative singular)

(adjective)

Nominative, masculine, singular of yajamāna

yajamāna - performing sacrifice, sacrificing, sacrificer

Present Middle Participle

From root yaj

Root: yaj (class 1)

Note: Used substantively as 'the sacrificer' or adjectivally 'while sacrificing.'

दिवौकसः (divaukasaḥ) - to the celestials, for whom sacrifices are offered (to the celestials/gods (accusative plural), or celestials (nominative plural))

(noun)

Accusative, masculine, plural of divaukas

divaukas - celestial, god, sky-dweller

Compound of div (sky) and okas (dwelling)

Compound type : tatpuruṣa (div+okas)

• div – sky, heaven, day
  noun (feminine)
• okas – dwelling, abode, inhabitant
  noun (neuter)

Note: The word divaukas has s-stem declension. Nominative plural is divaukasaḥ, Accusative plural is divaukasaḥ.