महाभारतः mahābhārataḥ - book-1, chapter-45, verse-13

परिक्षीणेषु कुरुषु उत्तरायामजायत ।
परिक्षिदभवत्तेन सौभद्रस्यात्मजो बली ॥१३॥

13. parikṣīṇeṣu kuruṣu uttarāyāmajāyata ,
parikṣidabhavattena saubhadrasyātmajo balī.

13. parikṣīṇeṣu kuruṣu uttarāyām ajāyata parikṣit
abhavat tena saubhadrasya ātmajaḥ balī

13. When the Kurus were almost completely destroyed, he was born from Uttarā. Thus, the powerful son of Subhadrā's son (Abhimanyu), Parikṣit, came into being.

Words meanings summery:

• परिक्षीणेषु (parikṣīṇeṣu) - referring to the Kuru warriors who were almost entirely annihilated in the Mahābhārata war (among those completely diminished or destroyed)

• कुरुषु (kuruṣu) - specifically referring to the members of the Kuru dynasty or warriors (among the Kurus)

• उत्तरायाम् (uttarāyām) - referring to Uttarā, wife of Abhimanyu and mother of Parikṣit, indicating his birth from her (in Uttarā)

• अजायत (ajāyata) - Parikṣit was born, indicating his emergence into existence (was born)

• परिक्षित् (parikṣit) - the proper name of the king, son of Abhimanyu and Uttarā (Parikṣit)

• अभवत् (abhavat) - expresses the fact of Parikṣit's existence or becoming (became, came into being, was)

• तेन (tena) - thus, or by means of that (his birth from Uttarā) (by him, by that, thereby)

• सौभद्रस्य (saubhadrasya) - of Abhimanyu, who was the son of Subhadrā (and Arjuna) (of Subhadrā's son)

• आत्मजः (ātmajaḥ) - the offspring, specifically the son, of Abhimanyu (son, born from oneself)

• बली (balī) - describes Parikṣit as a formidable and robust individual (powerful, strong, mighty)

Words meanings and morphology

परिक्षीणेषु (parikṣīṇeṣu) - referring to the Kuru warriors who were almost entirely annihilated in the Mahābhārata war (among those completely diminished or destroyed)

(adjective)

Locative, masculine, plural of parikṣīṇa

parikṣīṇa - entirely wasted, decayed, destroyed, diminished, exhausted

past participle

prefix pari + root kṣi (to destroy, diminish) + kta

Prefix: pari

Root: kṣi (class 5)

कुरुषु (kuruṣu) - specifically referring to the members of the Kuru dynasty or warriors (among the Kurus)

(noun)

Locative, masculine, plural of kuru

kuru - the Kurus (a powerful ancient Indian clan); a member of the Kuru dynasty

उत्तरायाम् (uttarāyām) - referring to Uttarā, wife of Abhimanyu and mother of Parikṣit, indicating his birth from her (in Uttarā)

(noun)

Locative, feminine, singular of uttarā

uttarā - Uttarā (proper name of a princess, wife of Abhimanyu); northern; later

अजायत (ajāyata) - Parikṣit was born, indicating his emergence into existence (was born)

(verb)

3rd person , singular, middle, past imperfect (laṅ) of jan

Root takes middle voice in this sense.

Root: jan (class 4)

परिक्षित् (parikṣit) - the proper name of the king, son of Abhimanyu and Uttarā (Parikṣit)

(noun)

Nominative, masculine, singular of parikṣit

parikṣit - Parikṣit (proper name, son of Abhimanyu and Uttarā)

अभवत् (abhavat) - expresses the fact of Parikṣit's existence or becoming (became, came into being, was)

(verb)

3rd person , singular, active, past imperfect (laṅ) of bhū

Root: bhū (class 1)

तेन (tena) - thus, or by means of that (his birth from Uttarā) (by him, by that, thereby)

(pronoun)

Instrumental, masculine, singular of tad

tad - that, he, she, it

सौभद्रस्य (saubhadrasya) - of Abhimanyu, who was the son of Subhadrā (and Arjuna) (of Subhadrā's son)

(noun)

Genitive, masculine, singular of saubhadra

saubhadra - son of Subhadrā (specifically Abhimanyu)

derived from Subhadrā + aN (patronymic suffix)

आत्मजः (ātmajaḥ) - the offspring, specifically the son, of Abhimanyu (son, born from oneself)

(noun)

Nominative, masculine, singular of ātmaja

ātmaja - son, born from oneself; one's own offspring

ātman (self) + ja (born)

Compound type : tatpuruṣa (ātman+ja)

• ātman – self, soul, spirit, essence
  noun (masculine)
• ja – born, produced from
  adjective
  agent noun
  root jan (to be born) + Da
  Root: jan (class 4)

बली (balī) - describes Parikṣit as a formidable and robust individual (powerful, strong, mighty)

(adjective)

Nominative, masculine, singular of balin

balin - strong, powerful, mighty, endowed with strength

derived from bala (strength) + ini (possessive suffix)