महाभारतः mahābhārataḥ - book-12, chapter-152, verse-11

जातौ बाल्येऽथ कौमारे यौवने चापि मानवः ।
न संत्यजत्यात्मकर्म यन्न जीर्यति जीर्यतः ॥११॥

11. jātau bālye'tha kaumāre yauvane cāpi mānavaḥ ,
na saṁtyajatyātmakarma yanna jīryati jīryataḥ.

11. jātau bālye atha kaumāre yauvane ca api mānavaḥ
na saṃtyajati ātmakarma yat na jīryati jīryataḥ

11. mānavaḥ jātau bālye atha kaumāre yauvane ca api
ātmakarma na saṃtyajati yat jīryataḥ na jīryati

11. A human being, whether in birth, childhood, adolescence, or youth, does not abandon the actions of their true self (ātman) which do not decay, even as the individual themselves decays.

Words meanings summery:

• जातौ (jātau) - in birth, in the state of being born

• बाल्ये (bālye) - in childhood, in the state of a child

• अथ (atha) - then, and, moreover

• कौमारे (kaumāre) - in adolescence, in youth

• यौवने (yauvane) - in youth, in adulthood

• च (ca) - and, also

• अपि (api) - also, even, too

• मानवः (mānavaḥ) - a human being, man

• न (na) - not, no

• संत्यजति (saṁtyajati) - abandons, gives up, forsakes

• आत्मकर्म (ātmakarma) - the actions or fundamental nature associated with the individual self (ātman) that persists through life stages. (actions of the self, inherent actions, one's own actions)

• यत् (yat) - which, what, that

• न (na) - not, no

• जीर्यति (jīryati) - decays, grows old, becomes worn out

• जीर्यतः (jīryataḥ) - of one who is decaying, of one who is growing old, from one who decays

Words meanings and morphology

जातौ (jātau) - in birth, in the state of being born

(noun)

Locative, feminine, singular of jāti

jāti - birth, origin, species, nature

Root: jan (class 4)

Note: Refers to the earliest stage of human life.

बाल्ये (bālye) - in childhood, in the state of a child

(noun)

Locative, neuter, singular of bālya

bālya - childhood, infancy, childishness

अथ (atha) - then, and, moreover

(indeclinable)

Note: Conjunction indicating sequence or addition.

कौमारे (kaumāre) - in adolescence, in youth

(noun)

Locative, neuter, singular of kaumāra

kaumāra - adolescence, youth, state of a boy or maiden

Note: From kumāra (a boy, a youth).

यौवने (yauvane) - in youth, in adulthood

(noun)

Locative, neuter, singular of yauvana

yauvana - youth, prime of life, adolescence

Note: From yuvan (young).

च (ca) - and, also

(indeclinable)

अपि (api) - also, even, too

(indeclinable)

मानवः (mānavaḥ) - a human being, man

(noun)

Nominative, masculine, singular of mānava

mānava - human, relating to Manu, a man

Derived from Manu.

न (na) - not, no

(indeclinable)

संत्यजति (saṁtyajati) - abandons, gives up, forsakes

(verb)

3rd person , singular, active, present indicative (laṭ) of saṃtyaj

present active

Prefix: sam

Root: tyaj (class 1)

Note: Prefix sam (together, completely) + root tyaj (to abandon).

आत्मकर्म (ātmakarma) - the actions or fundamental nature associated with the individual self (ātman) that persists through life stages. (actions of the self, inherent actions, one's own actions)

(noun)

Accusative, neuter, singular of ātmakarma

ātmakarma - action of the self, one's own action, inherent nature/function

Compound type : tatpuruṣa (ātman+karma)

• ātman – self, soul, spirit, individual soul (ātman)
  noun (masculine)
  Root: an (class 2)
• karma – action, deed, work, ritual action (karma)
  noun (neuter)
  Root: kṛ (class 8)

यत् (yat) - which, what, that

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that (relative pronoun)

Note: Refers to 'ātmakarma'.

न (na) - not, no

(indeclinable)

जीर्यति (jīryati) - decays, grows old, becomes worn out

(verb)

3rd person , singular, active, present indicative (laṭ) of jīr

present active

Root: jṝ (class 9)

जीर्यतः (jīryataḥ) - of one who is decaying, of one who is growing old, from one who decays

(adjective)

Genitive, masculine, singular of jīryat

jīryat - decaying, growing old, wearing out

present active participle

From root jṝ (to decay), present participle.

Root: jṝ (class 9)

Note: Qualifies 'mānavaḥ' implicitly.