महाभारतः mahābhārataḥ - book-1, chapter-111, verse-16

देहनाशे ध्रुवो नाशः पितॄणामेष निश्चयः ।
इह तस्मात्प्रजाहेतोः प्रजायन्ते नरोत्तमाः ॥१६॥

16. dehanāśe dhruvo nāśaḥ pitṝṇāmeṣa niścayaḥ ,
iha tasmātprajāhetoḥ prajāyante narottamāḥ.

16. dehanāśe dhruvaḥ nāśaḥ pitṝṇām eṣaḥ niścayaḥ
iha tasmāt prajāhetoḥ prajāyante narottamāḥ

16. At the destruction of the body, there is certain destruction for the ancestors – this is the firm conviction. Therefore, in this world, the best among men are born for the sake of progeny.

Words meanings summery:

• देहनाशे (dehanāśe) - at the destruction of the body

• ध्रुवः (dhruvaḥ) - certain (certain, constant, firm)

• नाशः (nāśaḥ) - destruction (destruction, loss)

• पितॄणाम् (pitṝṇām) - for the ancestors (of ancestors, of fathers)

• एषः (eṣaḥ) - this (this, he)

• निश्चयः (niścayaḥ) - firm conviction (certainty, firm conviction, ascertainment)

• इह (iha) - in this world (here, in this world)

• तस्मात् (tasmāt) - therefore (therefore, from that)

• प्रजाहेतोः (prajāhetoḥ) - for the sake of progeny

• प्रजायन्ते (prajāyante) - are born (they are born, arise)

• नरोत्तमाः (narottamāḥ) - the best among men (best among men, excellent men)

Words meanings and morphology

देहनाशे (dehanāśe) - at the destruction of the body

(noun)

Locative, masculine, singular of dehanāśa

dehanāśa - destruction of the body

Compound type : tatpuruṣa (deha+nāśa)

• deha – body
  noun (masculine)
• nāśa – destruction, loss, ruin
  noun (masculine)
  Root: naś (class 4)

ध्रुवः (dhruvaḥ) - certain (certain, constant, firm)

(adjective)

Nominative, masculine, singular of dhruva

dhruva - fixed, firm, certain, constant

Root: dhruv (class 1)

Note: Agrees with 'nāśaḥ'

नाशः (nāśaḥ) - destruction (destruction, loss)

(noun)

Nominative, masculine, singular of nāśa

nāśa - destruction, loss, ruin

Root: naś (class 4)

पितॄणाम् (pitṝṇām) - for the ancestors (of ancestors, of fathers)

(noun)

Genitive, masculine, plural of pitṛ

pitṛ - father, ancestor

एषः (eṣaḥ) - this (this, he)

(pronoun)

Nominative, masculine, singular of etas

etas - this, he, she, it

निश्चयः (niścayaḥ) - firm conviction (certainty, firm conviction, ascertainment)

(noun)

Nominative, masculine, singular of niścaya

niścaya - ascertainment, certainty, conviction, determination

Root: ci (class 5)

इह (iha) - in this world (here, in this world)

(indeclinable)

तस्मात् (tasmāt) - therefore (therefore, from that)

(pronoun)

Ablative, neuter, singular of tad

tad - that, he, she, it

Note: Used adverbially to mean 'therefore'

प्रजाहेतोः (prajāhetoḥ) - for the sake of progeny

(noun)

Ablative, masculine, singular of prajāhetu

prajāhetu - cause of progeny, for the sake of progeny

Compound type : tatpuruṣa (prajā+hetu)

• prajā – progeny, offspring, creature
  noun (feminine)
  Prefix: pra
  Root: jan (class 4)
• hetu – cause, reason, motive, sake
  noun (masculine)

Note: Used to denote purpose 'for the sake of'

प्रजायन्ते (prajāyante) - are born (they are born, arise)

(verb)

3rd person , plural, middle, present (lat) of pra-jan

Prefix: pra

Root: jan (class 4)

नरोत्तमाः (narottamāḥ) - the best among men (best among men, excellent men)

(noun)

Nominative, masculine, plural of narottama

narottama - best among men, excellent man

Compound type : tatpuruṣa (nara+uttama)

• nara – man, human being
  noun (masculine)
• uttama – best, highest, excellent
  adjective (masculine)