महाभारतः mahābhārataḥ - book-10, chapter-16, verse-3

परिक्षीणेषु कुरुषु पुत्रस्तव जनिष्यति ।
एतदस्य परिक्षित्त्वं गर्भस्थस्य भविष्यति ॥३॥

3. parikṣīṇeṣu kuruṣu putrastava janiṣyati ,
etadasya parikṣittvaṁ garbhasthasya bhaviṣyati.

3. parikṣīṇeṣu kuruṣu putraḥ tava janiṣyati etat
asya parikṣittvam garbhasthasya bhaviṣyati

3. kuruṣu parikṣīṇeṣu,
tava putraḥ janiṣyati.
garbhasthasya asya etat parikṣittvam bhaviṣyati.

3. When the Kuru lineage is completely diminished, your son will be born. This state of being observed and protected (parikṣittvam) will be his even while he is in the womb.

Words meanings summery:

• परिक्षीणेषु (parikṣīṇeṣu) - when exhausted, when diminished, among the destroyed ones

• कुरुषु (kuruṣu) - among the Kurus, in the Kuru lineage

• पुत्रः (putraḥ) - son

• तव (tava) - your, of you

• जनिष्यति (janiṣyati) - will be born

• एतत् (etat) - this

• अस्य (asya) - his, of him

• परिक्षित्त्वम् (parikṣittvam) - the state of being Parikṣit, the state of being observed/protected

• गर्भस्थस्य (garbhasthasya) - of the one in the womb, unborn

• भविष्यति (bhaviṣyati) - will be, will exist

Words meanings and morphology

परिक्षीणेषु (parikṣīṇeṣu) - when exhausted, when diminished, among the destroyed ones

(adjective)

Locative, masculine, plural of parikṣīṇa

parikṣīṇa - completely wasted, exhausted, destroyed

Past Passive Participle

Prefix: pari

Root: kṣi (class 5)

कुरुषु (kuruṣu) - among the Kurus, in the Kuru lineage

(proper noun)

Locative, masculine, plural of kuru

kuru - the Kuru tribe/lineage, a member of the Kuru tribe

पुत्रः (putraḥ) - son

(noun)

Nominative, masculine, singular of putra

putra - son

तव (tava) - your, of you

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

जनिष्यति (janiṣyati) - will be born

(verb)

3rd person , singular, active, future (lṛṭ) of jan

Root: jan (class 4)

एतत् (etat) - this

(pronoun)

Nominative, neuter, singular of etad

etad - this

अस्य (asya) - his, of him

(pronoun)

Genitive, masculine, singular of idam

idam - this, he

परिक्षित्त्वम् (parikṣittvam) - the state of being Parikṣit, the state of being observed/protected

(noun)

Nominative, neuter, singular of parikṣittva

parikṣittva - state of being Parikṣit, condition of being thoroughly observed/protected

Derived from 'Parikṣit' with the abstract noun suffix '-tva'.

गर्भस्थस्य (garbhasthasya) - of the one in the womb, unborn

(adjective)

Genitive, masculine, singular of garbhastha

garbhastha - being in the womb, unborn

Compound type : tatpuruṣa (garbha+stha)

• garbha – womb, embryo, fetus
  noun (masculine)
• stha – standing, staying, being in
  verbal derivative
  Derived from root sthā.
  Root: sthā (class 1)

भविष्यति (bhaviṣyati) - will be, will exist

(verb)

3rd person , singular, active, future (lṛṭ) of bhū

Root: bhū (class 1)