महाभारतः mahābhārataḥ - book-1, chapter-52, verse-19

एतेषां पुत्रपौत्रास्तु प्रसवस्य च संततिः ।
न शक्याः परिसंख्यातुं ये दीप्तं पावकं गताः ॥१९॥

19. eteṣāṁ putrapautrāstu prasavasya ca saṁtatiḥ ,
na śakyāḥ parisaṁkhyātuṁ ye dīptaṁ pāvakaṁ gatāḥ.

19. eteṣām putrapautrāḥ tu prasavasya ca saṃtatiḥ na
śakyāḥ parisaṃkhyātum ye dīptam pāvakam gatāḥ

19. It is not possible to fully enumerate the sons, grandsons, and entire progeny of these (Nāgas), especially those who entered the blazing fire.

Words meanings summery:

• एतेषाम् (eteṣām) - referring to the Nāgas previously mentioned (of these)

• पुत्रपौत्राः (putrapautrāḥ) - the immediate descendants (sons and grandsons)

• तु (tu) - introduces a qualification or contrast (but, indeed, however)

• प्रसवस्य (prasavasya) - referring to the offspring or lineage (of birth, of offspring)

• च (ca) - connects the lineage of offspring (and)

• संततिः (saṁtatiḥ) - the entire line of descendants (progeny, lineage, continuation)

• न (na) - negation (not)

• शक्याः (śakyāḥ) - unable to be counted (capable, possible (to be done))

• परिसंख्यातुम् (parisaṁkhyātum) - to list exhaustively (to count completely, to enumerate fully)

• ये (ye) - referring to the sons/grandsons/progeny (who, those who)

• दीप्तम् (dīptam) - intensely burning (fire) (blazing, shining, radiant)

• पावकम् (pāvakam) - the sacrificial fire (Sarpa Satra) (fire, purifier)

• गताः (gatāḥ) - entered, consigned to (gone, reached, attained)

Words meanings and morphology

एतेषाम् (eteṣām) - referring to the Nāgas previously mentioned (of these)

(pronoun)

Genitive, masculine, plural of etas

etas - this, these

पुत्रपौत्राः (putrapautrāḥ) - the immediate descendants (sons and grandsons)

(noun)

Nominative, masculine, plural of putrapautra

putrapautra - sons and grandsons

Compound type : dvandva (putra+pautra)

• putra – son
  noun (masculine)
• pautra – grandson
  noun (masculine)

तु (tu) - introduces a qualification or contrast (but, indeed, however)

(indeclinable)

प्रसवस्य (prasavasya) - referring to the offspring or lineage (of birth, of offspring)

(noun)

Genitive, masculine, singular of prasava

prasava - birth, production, offspring, progeny

from pra-sū

Root: sū (class 2)

च (ca) - connects the lineage of offspring (and)

(indeclinable)

संततिः (saṁtatiḥ) - the entire line of descendants (progeny, lineage, continuation)

(noun)

Nominative, feminine, singular of saṃtati

saṁtati - progeny, offspring, lineage, continuation

from sam-tan

Prefix: sam

Root: tan (class 8)

न (na) - negation (not)

(indeclinable)

शक्याः (śakyāḥ) - unable to be counted (capable, possible (to be done))

(adjective)

Nominative, masculine, plural of śakya

śakya - possible, capable, practicable

future passive participle

from root śak

Root: śak (class 5)

परिसंख्यातुम् (parisaṁkhyātum) - to list exhaustively (to count completely, to enumerate fully)

(verb)

infinitive

from root khyā with prefixes pari and sam

Prefixes: pari+sam

Root: khyā (class 2)

ये (ye) - referring to the sons/grandsons/progeny (who, those who)

(pronoun)

Nominative, masculine, plural of yad

yad - who, which, what

दीप्तम् (dīptam) - intensely burning (fire) (blazing, shining, radiant)

(adjective)

Accusative, masculine, singular of dīpta

dīpta - blazing, shining, bright, inflamed

past passive participle

from root dīp

Root: dīp (class 4)

पावकम् (pāvakam) - the sacrificial fire (Sarpa Satra) (fire, purifier)

(noun)

Accusative, masculine, singular of pāvaka

pāvaka - fire, purifier, pure

from root pū

Root: pū (class 1)

गताः (gatāḥ) - entered, consigned to (gone, reached, attained)

(adjective)

Nominative, masculine, plural of gata

gata - gone, gone to, departed, reached

past passive participle

from root gam

Root: gam (class 1)